United States in September

September is United States's 4th-best month (rank 4 of 12): its 171 destinations average 75/100, led by San Francisco at 96 — 21°C and 1 rainy day — while Gates of the Arctic National Park is cooler at -3°C and scores 65.

#4 of 12 months for United States · 171 destinations · updated September 2026 · climate normals from ERA5 reanalysis

Where in United States in September

#	Place	Type	Feels-like high	Rain	Comfort	At its best
1	San Francisco	City	21°C	3 mm · 1 day	96 tier S	Yes
2	South Lake Tahoe	Trekking hub	20°C	14 mm · 2 days	95 tier S	Yes
3	Boise	City	25°C	8 mm · 3 days	94 tier S	Yes
4	Flagstaff	City	23°C	30 mm · 5 days	94 tier S	Yes
5	Lassen Volcanic National Park	National park	17°C	35 mm · 5 days	94 tier S	Yes
6	Portland	City	24°C	46 mm · 5 days	94 tier S	Yes
7	Great Sand Dunes National Park	National park	22°C	24 mm · 4 days	93 tier S	Yes
8	Kauai	Island	28°C	39 mm · 14 days	93 tier S	Yes
9	Lahaina	Beach	33°C	9 mm · 3 days	93 tier S	Yes
10	Yosemite National Park	National park	16°C	28 mm · 5 days	93 tier S	Yes
11	Bend	City	21°C	13 mm · 3 days	92 tier S	Yes
12	Bozeman	Trekking hub	21°C	45 mm · 7 days	92 tier S	Yes
13	Bryce Canyon National Park	National park	18°C	28 mm · 3 days	92 tier S	Yes
14	Burlington	City	23°C	78 mm · 7 days	92 tier S	Yes
15	Capitol Reef National Park	National park	22°C	19 mm · 2 days	92 tier S	Yes
16	Guadalupe Mountains National Park	National park	21°C	18 mm · 4 days	92 tier S	—
17	Honolulu	Beach	34°C	34 mm · 6 days	92 tier S	—
18	Laguna Beach	Beach	26°C	3 mm · 1 day	92 tier S	Yes
19	Salt Lake City	City	27°C	19 mm · 1 day	92 tier S	Yes
20	Santa Barbara	Beach	27°C	6 mm · 1 day	92 tier S	Yes
21	Santa Fe	City	24°C	32 mm · 5 days	92 tier S	Yes
22	Chicago	City	25°C	63 mm · 7 days	91 tier S	Yes
23	Cleveland	City	25°C	61 mm · 6 days	91 tier S	Yes
24	Kings Canyon National Park	National park	14°C	15 mm · 4 days	91 tier S	Yes
25	Minneapolis	City	23°C	78 mm · 7 days	91 tier S	Yes
26	Reno	City	26°C	9 mm · 2 days	91 tier S	Yes
27	San Diego	Beach	27°C	6 mm · 1 day	91 tier S	Yes
28	Sequoia National Park	National park	15°C	28 mm · 6 days	91 tier S	Yes
29	Boston	City	24°C	83 mm · 7 days	90 tier S	Yes
30	Boulder	City	26°C	32 mm · 4 days	90 tier S	Yes
31	Denver	City	27°C	24 mm · 3 days	90 tier S	Yes
32	Detroit	City	24°C	88 mm · 6 days	90 tier S	Yes
33	Mesa Verde National Park	National park	23°C	30 mm · 4 days	90 tier S	Yes
34	Milwaukee	City	24°C	85 mm · 7 days	90 tier S	Yes
35	Redwood National Park	National park	20°C	35 mm · 3 days	90 tier S	—
36	Rocky Mountain National Park	National park	15°C	41 mm · 6 days	90 tier S	Yes
37	Traverse City	City	23°C	79 mm · 8 days	90 tier S	Yes
38	Black Canyon of the Gunnison National Park	National park	24°C	31 mm · 5 days	89 tier A	Yes
39	Channel Islands National Park	National park	19°C	5 mm · 1 day	89 tier A	—
40	Cincinnati	City	28°C	65 mm · 6 days	89 tier A	Yes
41	Columbus	City	27°C	79 mm · 6 days	89 tier A	Yes
42	Grand Teton National Park	National park	17°C	58 mm · 7 days	89 tier A	Yes
43	Indianapolis	City	28°C	64 mm · 5 days	89 tier A	Yes
44	Madison	City	24°C	114 mm · 9 days	89 tier A	Yes
45	Pittsburgh	City	27°C	86 mm · 8 days	89 tier A	Yes
46	Seattle	City	21°C	36 mm · 6 days	89 tier A	—
47	Wind Cave National Park	National park	23°C	35 mm · 5 days	89 tier A	Yes
48	Zion National Park	National park	24°C	19 mm · 2 days	89 tier A	—
49	Crater Lake National Park	National park	15°C	63 mm · 6 days	88 tier A	Yes
50	Maui	Island	19°C	65 mm · 21 days	88 tier A	Yes
51	Monterey	Beach	22°C	4 mm · 1 day	88 tier A	Yes
52	Napa	City	30°C	5 mm · 1 day	88 tier A	—
53	Santa Cruz, California	Beach	25°C	5 mm · 1 day	88 tier A	Yes
54	Taos	Trekking hub	25°C	32 mm · 5 days	88 tier A	—
55	Voyageurs National Park	National park	19°C	100 mm · 11 days	88 tier A	Yes
56	Acadia National Park	National park	18°C	93 mm · 7 days	87 tier A	Yes
57	Big Sur	Beach	28°C	5 mm · 1 day	87 tier A	Yes
58	Gatlinburg	City	27°C	122 mm · 9 days	87 tier A	Yes
59	Great Basin National Park	National park	11°C	31 mm · 4 days	87 tier A	—
60	Haleakala National Park	National park	15°C	65 mm · 21 days	87 tier A	Yes
61	Sacramento	City	32°C	3 mm · 1 day	87 tier A	—
62	Theodore Roosevelt National Park	National park	21°C	54 mm · 5 days	87 tier A	Yes
63	Albuquerque	City	30°C	24 mm · 4 days	86 tier A	—
64	Cuyahoga Valley National Park	National park	24°C	76 mm · 7 days	86 tier A	Yes
65	Kansas City	City	30°C	57 mm · 4 days	86 tier A	Yes
66	Los Angeles	City	31°C	5 mm · 1 day	86 tier A	—
67	Outer Banks	Beach	29°C	99 mm · 7 days	86 tier A	Yes
68	Virginia Beach	Beach	30°C	121 mm · 7 days	86 tier A	Yes
69	Badlands National Park	National park	25°C	34 mm · 6 days	85 tier A	Yes
70	Destin	Beach	36°C	118 mm · 6 days	85 tier A	Yes
71	Glacier National Park	National park	11°C	78 mm · 10 days	85 tier A	Yes
72	Shenandoah National Park	National park	22°C	101 mm · 10 days	85 tier A	—
73	St. Louis	City	30°C	83 mm · 5 days	85 tier A	Yes
74	Arches National Park	National park	26°C	17 mm · 3 days	84 tier A	—
75	Death Valley National Park	National park	26°C	4 mm · 1 day	84 tier A	—
76	Great Smoky Mountains National Park	National park	23°C	146 mm · 9 days	84 tier A	—
77	Hilton Head Island	Beach	32°C	157 mm · 7 days	84 tier A	—
78	Indiana Dunes National Park	National park	25°C	73 mm · 8 days	84 tier A	Yes
79	New River Gorge National Park	National park	27°C	91 mm · 9 days	84 tier A	Yes
80	New York	City	26°C	124 mm · 7 days	84 tier A	Yes
81	Yellowstone National Park	National park	14°C	59 mm · 11 days	84 tier A	—
82	Asheville	City	28°C	120 mm · 8 days	83 tier A	—
83	Canyonlands National Park	National park	26°C	11 mm · 2 days	83 tier A	—
84	Hawaii Volcanoes National Park	National park	22°C	123 mm · 18 days	83 tier A	—
85	Kona	Beach	35°C	160 mm · 20 days	83 tier A	—
86	Louisville	City	30°C	106 mm · 7 days	83 tier A	Yes
87	Myrtle Beach	Beach	32°C	210 mm · 8 days	83 tier A	Yes
88	Nashville	City	31°C	97 mm · 6 days	83 tier A	Yes
89	Mackinac Island	Island	20°C	71 mm · 10 days	82 tier A	Yes
90	Mount Rainier National Park	National park	7°C	71 mm · 9 days	82 tier A	Yes
91	Pensacola	Beach	35°C	190 mm · 9 days	82 tier A	—
92	Bar Harbor	City	19°C	93 mm · 7 days	81 tier A	—
93	Big Bend National Park	National park	28°C	44 mm · 5 days	81 tier A	—
94	Gateway Arch National Park	National park	30°C	89 mm · 5 days	81 tier A	Yes
95	Isle Royale National Park	National park	14°C	84 mm · 10 days	81 tier A	Yes
96	North Cascades National Park	National park	8°C	79 mm · 10 days	81 tier A	Yes
97	Philadelphia	City	28°C	101 mm · 7 days	81 tier A	—
98	Atlanta	City	31°C	92 mm · 5 days	80 tier A	—
99	Clearwater	Beach	37°C	149 mm · 10 days	80 tier A	—
100	Washington	City	30°C	108 mm · 8 days	80 tier A	—
101	Baltimore	City	29°C	106 mm · 7 days	79 tier B	—
102	Charlotte	City	31°C	128 mm · 7 days	79 tier B	—
103	Memphis	City	33°C	72 mm · 5 days	79 tier B	—
104	Petrified Forest National Park	National park	27°C	22 mm · 4 days	79 tier B	—
105	Richmond	City	30°C	122 mm · 8 days	79 tier B	—
106	Sarasota	Beach	37°C	172 mm · 11 days	79 tier B	—
107	Carlsbad Caverns National Park	National park	28°C	41 mm · 7 days	78 tier B	—
108	Hyannis	Beach	23°C	113 mm · 8 days	78 tier B	—
109	Newport	Beach	23°C	82 mm · 7 days	78 tier B	—
110	Olympic National Park	National park	12°C	148 mm · 11 days	78 tier B	—
111	Saguaro National Park	National park	29°C	33 mm · 6 days	78 tier B	—
112	Hot Springs National Park	National park	32°C	68 mm · 5 days	76 tier B	—
113	Key West	Beach	37°C	195 mm · 13 days	76 tier B	—
114	Nantucket	Island	22°C	106 mm · 6 days	76 tier B	—
115	Raleigh	City	31°C	134 mm · 7 days	76 tier B	—
116	Denali National Park	National park	7°C	97 mm · 17 days	75 tier B	—
117	Katmai National Park	National park	10°C	139 mm · 18 days	75 tier B	—
118	Mammoth Cave National Park	National park	32°C	107 mm · 6 days	75 tier B	—
119	Miami	Beach	37°C	185 mm · 15 days	75 tier B	—
120	Naples, Florida	Beach	38°C	193 mm · 13 days	75 tier B	—
121	Pinnacles National Park	National park	31°C	3 mm · 1 day	75 tier B	—
122	Kobuk Valley National Park	National park	4°C	86 mm · 12 days	74 tier B	—
123	Anchorage	City	13°C	71 mm · 12 days	73 tier B	—
124	Fairbanks	City	11°C	41 mm · 10 days	73 tier B	—
125	Fort Lauderdale	Beach	37°C	241 mm · 15 days	72 tier B	—
126	Dallas	City	35°C	77 mm · 5 days	71 tier B	—
127	Sedona	Trekking hub	30°C	21 mm · 4 days	71 tier B	—
128	Charleston	City	32°C	142 mm · 6 days	69 tier C	—
129	Hilo	City	34°C	167 mm · 20 days	69 tier C	—
130	Lake Clark National Park	National park	1°C	160 mm · 18 days	69 tier C	—
131	Savannah	City	34°C	146 mm · 8 days	67 tier C	—
132	Austin	City	37°C	63 mm · 4 days	66 tier C	—
133	Congaree National Park	National park	33°C	95 mm · 8 days	66 tier C	—
134	Gates of the Arctic National Park	National park	-3°C	74 mm · 12 days	65 tier C	—
135	Moab	Trekking hub	30°C	13 mm · 2 days	65 tier C	—
136	San Antonio	City	37°C	85 mm · 5 days	64 tier C	—
137	St. Augustine	City	34°C	143 mm · 13 days	63 tier C	—
138	Wrangell-St Elias National Park	National park	-2°C	135 mm · 16 days	63 tier C	—
139	Jacksonville	City	35°C	134 mm · 11 days	62 tier C	—
140	Kenai Fjords National Park	National park	2°C	334 mm · 19 days	62 tier C	—
141	Glacier Bay National Park	National park	6°C	514 mm · 20 days	61 tier C	—
142	Houston	City	37°C	180 mm · 8 days	61 tier C	—
143	Las Vegas	City	34°C	6 mm · 1 day	61 tier C	—
144	New Orleans	City	37°C	179 mm · 8 days	61 tier C	—
145	White Sands National Park	National park	32°C	29 mm · 4 days	61 tier C	—
146	Dry Tortugas National Park	National park	34°C	157 mm · 17 days	59 tier D	—
147	Juneau	City	14°C	321 mm · 21 days	59 tier D	—
148	Tucson	City	36°C	25 mm · 4 days	59 tier D	—
149	Tampa	City	38°C	179 mm · 12 days	57 tier D	—
150	Joshua Tree National Park	National park	33°C	8 mm · 1 day	54 tier D	—
151	Orlando	City	38°C	261 mm · 14 days	53 tier D	—
152	Grand Canyon National Park	National park	33°C	14 mm · 2 days	52 tier D	—
153	Scottsdale	City	38°C	19 mm · 2 days	52 tier D	—
154	Palm Springs	City	39°C	11 mm · 1 day	49 tier F	—
155	Phoenix	City	38°C	12 mm · 2 days	49 tier F	—
156	Biscayne National Park	National park	37°C	182 mm · 16 days	48 tier F	—
157	Everglades National Park	National park	37°C	189 mm · 15 days	47 tier F	—
158	Big Sky	Ski resort	17°C	63 mm · 10 days	23 tier F	—
159	Breckenridge	Ski resort	16°C	29 mm · 5 days	21 tier F	—
160	Killington	Ski resort	14°C	95 mm · 9 days	21 tier F	—
161	Aspen	Ski resort	20°C	30 mm · 6 days	20 tier F	—
162	Jackson	Ski resort	18°C	41 mm · 7 days	20 tier F	—
163	Vail	Ski resort	18°C	36 mm · 7 days	20 tier F	—
164	Mammoth Lakes	Ski resort	20°C	13 mm · 4 days	19 tier F	—
165	Park City	Ski resort	19°C	54 mm · 7 days	19 tier F	—
166	Steamboat Springs	Ski resort	22°C	31 mm · 6 days	19 tier F	—
167	Telluride	Ski resort	19°C	36 mm · 7 days	19 tier F	—
168	Whitefish	Ski resort	20°C	26 mm · 5 days	19 tier F	—
169	Sun Valley	Ski resort	19°C	30 mm · 5 days	18 tier F	—
170	Lake Placid	Ski resort	20°C	69 mm · 8 days	14 tier F	—
171	Stowe	Ski resort	23°C	84 mm · 8 days	14 tier F	—

Comfort is SeasonMap's 0–100 score; each place is judged through the lens that suits it — beaches on beach weather, ski resorts on snow. "At its best" means September is one of that place's own top three months. Feels-like highs fold in humidity, wind and sun.

What's on in United States in September

Summer peak · South Lake Tahoe · 20 Jun – 7 Sep
Hope Valley aspens · South Lake Tahoe · 25 Sep – 15 Oct (usually)
Portland Marathon · Portland · 28 Sep – 8 Oct (usually)
Golden eagle migration · Bozeman · 15 Sep – 31 Oct (usually)
Bridger Raptor Festival · Bozeman · 28 Sep – 6 Oct (usually)
Milky Way season · Bryce Canyon National Park · 1 May – 30 Sep (usually)
Aspens on the plateau · Bryce Canyon National Park · 20 Sep – 15 Oct (usually)
Aloha Festivals · Honolulu · 1–30 Sep (usually)

Seasons in force

Peak crowds at 54 of United States's 106 well-known places this month.

Better months for United States

April · 78/100 May · 78/100 October · 76/100 Weakest: January · 61/100

← United States in August United States in October →Best time to visit United States, month by month Compare: San Francisco vs South Lake Tahoe in September

More about September

Best places in the world in September Best places in North America in September Places to avoid in September What season is it in September?