Argentina in September

September is one of Argentina's best months (rank 2 of 12): its 17 destinations average 80/100, led by Cafayate at 94 — 20°C and 2 rainy days — while El Chaltén is cooler at 1°C and scores 64.

#2 of 12 months for Argentina · 17 destinations · updated September 2026 · climate normals from ERA5 reanalysis

🇦🇷 Argentina, month by month

80/100 in September

Where in Argentina in September

#	Place	Type	Feels-like high	Rain	Comfort	At its best
1	Cafayate	City	20°C	7 mm · 2 days	94 tier S	Yes
2	Mendoza	City	20°C	11 mm · 3 days	94 tier S	Yes
3	Córdoba	City	24°C	23 mm · 4 days	92 tier S	Yes
4	Rosario	City	22°C	39 mm · 5 days	91 tier S	Yes
5	Tilcara	Trekking hub	20°C	56 mm · 10 days	91 tier S	—
6	San Salvador de Jujuy	City	23°C	79 mm · 13 days	90 tier S	Yes
7	Salta	City	26°C	51 mm · 8 days	89 tier A	Yes
8	Buenos Aires	City	17°C	66 mm · 6 days	86 tier A	Yes
9	El Calafate	Trekking hub	7°C	57 mm · 10 days	80 tier A	—
10	Las Leñas	Ski resort	3°C	67 mm · 8 days	80 tier A	—
11	Puerto Iguazú	National park	32°C	92 mm · 8 days	76 tier B	—
12	Puerto Madryn	Beach	13°C	20 mm · 4 days	75 tier B	—
13	Mar del Plata	Beach	15°C	59 mm · 7 days	70 tier B	—
14	Ushuaia	Ski resort	5°C	49 mm · 13 days	69 tier C	Yes
15	San Martín de los Andes	Ski resort	7°C	102 mm · 12 days	67 tier C	—
16	El Chaltén	Trekking hub	1°C	218 mm · 19 days	64 tier C	—
17	San Carlos de Bariloche	Ski resort	8°C	79 mm · 11 days	60 tier C	—

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 Argentina in September

Students' Day · Buenos Aires · 21 Sep
Fiesta of La Sentadita · Cafayate · 28 Sep – 7 Oct
Fiesta Nacional de la Cerveza · Córdoba · 28 Sep – 20 Oct (usually)
Fiesta Nacional de los Estudiantes · Tilcara and 1 more place · 12–26 Sep
Fiesta del Milagro · Salta · 6–16 Sep
Southern right whales · Puerto Madryn · 1 Jun – 15 Dec (usually)
Penguins at Punta Tombo · Puerto Madryn · 1 Sep – 31 Mar

Seasons in force

Ski season · 5 places Dry season · 2 places Off-season shutdown · 1 place Smoke season · 1 place Wind season · 1 place Winter road closures · 1 place

Better months for Argentina

August · 81/100 July · 77/100 June · 76/100 Weakest: January · 62/100

← Argentina in August Argentina in October →Best time to visit Argentina, month by month Compare: Cafayate vs Mendoza in September