Burlington weather in September

September in Burlington: nice, a little rain, with clean air — one of the best months to visit.

Updated September 2026 · climate normals from ERA5 reanalysis

Burlington🇺🇸 United States · Great Lakes & Midwest · City92
  1. 36Jan
  2. 44Feb
  3. 53Mar
  4. 68Apr
  5. 86May
  6. 90Jun
  7. 79Jul
  8. 83Aug
  9. 92Sep
  10. 70Oct
  11. 57Nov
  12. 40Dec

#1 of 12 months in Burlington · #118 of 1413 destinations to visit in September · comfort 92/100 (tier S)

Days
23°C
Nights
13°C
Wet days
7
Sun
9.1 h
Humidity
75%
Daylight
13 h
Burlington, United States
Photo: Troy Tumbin · Pexels

Traveller notes on Burlington in September

Notes from nearby Stowe (42 km away)

Burlington doesn't have its own notes for September yet — these are about Stowe, close enough to share the season.

Stowe-forum threads on late-September weather describe genuinely comfortable conditions, sweater weather through most of the day with a real jacket useful once evening sets in. Posters are direct mid-September generally runs too early for meaningful color, the classic Vermont display typically not building until the very end of the month, peak color more reliably landing in the first week of October. Regulars call September the strongest month for hiking specifically, cooler than peak summer, trails noticeably drier, fewer bugs, and none of the risk of an early system that can complicate an October trip. Posters recommend checking a current foliage report rather than assuming based on the calendar, since exact timing shifts meaningfully year to year. Regulars call the combination of good hiking weather and thinning crowds a genuine sweet spot before the peak-color rush. The record: 22.3C days feeling like 21C, 9C nights, 78 percent humidity and 12.7 hours of daylight.
StoweSeptemberRegular · September · 1 month ago · about Stowe · Read more on Tripadvisor ↗

Other months in Burlington

Forum posters describe December in Burlington as cold, gray and dreary with short days, typical daytime highs in the 30sF and lows in the teens to 20sF, and posters note a relatively low chance of snow specifically in early-to-mid December compared to deeper winter. Posters are consistent that the city stays lively despite the weather, describing downtown Church Street as festively lit for Christmas with restaurants, bars and live music keeping the atmosphere upbeat through the cold, quiet season. Posters flag that real winter sports - skiing, snowshoeing and similar activities - require transportation out of town rather than being available within Burlington itself. Posters generally rate December as a quiet, atmospheric time to visit Burlington for anyone not chasing snow sports specifically.
Tripadvisor community · December · 1 month ago · Read more on Tripadvisor ↗
Forum posters describe early June as warm but genuinely variable - one visitor logged a range from the 60s up to the high 80s F within the same trip, and a light rain jacket gets recommended for the spring-showers chance that lingers into the month. June is called a quieter window since the colleges have emptied out for summer, ahead of the bigger July-August crowds. Leddy Park comes up repeatedly as the go-to for warm-weather activities - swimming, fishing, or just hanging out on the bike path and beach - alongside the festivals and outdoor concerts that start filling the streets as the season turns.
Tripadvisor community · June · 1 month ago · Read more on Tripadvisor ↗

Add your own note from Burlington's card on the map.

Burlington climate normals — September

Daytime high23°C / 74°F😎 nice
Nighttime low13°C / 55°F
Feels like (high)23°C / 73°F
Rainfall78 mm / 3.1 in🌦 some rain
Rainy days7 days
Humidity75%💧 humid
Dew point12°C / 54°F
Sunshine9.1 h/day
Daylight12.5 h
Wind13 km/h / 8 mph
Air quality (US AQI)38🍃 good

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Crowds in Burlington in September

How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.

Peak crowdsFall foliage, Summer break in United States(estimated)

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Peak crowdsBusyShoulder seasonQuiet

Best months for Burlington's weather

Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).

Best weatherBurlington's best weather comes in May, June and September — separate windows, not one continuous season.

September includes Fall foliage.

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Best weatherFair weatherToughest weather

What's on in Burlington in September

Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.

  • Nature

    Fall foliage

    25 Sep – 20 Oct · usuallyAutumn colourCrowded

    Peak reaches the Champlain valley around the second week of October, a week or so after the spine of the Greens. Weekend rooms and the Stowe road are the bottleneck, not the colour. Source ↗

What's on around the world in September →

Nearby, and something's on

Within 300 km of Burlington — a day trip or a short hop — with something on this month. Never part of the comfort score.

Where is Burlington?

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Burlington in September — FAQ

Is September a good time to visit Burlington?
September in Burlington: nice, a little rain, with clean air — one of the best months to visit. It ranks #1 of 12 months for Burlington on SeasonMap's comfort score (92/100).
What is the weather like in Burlington in September?
In September, Burlington averages a daily high of 23.3°C and a low of 13°C, with about 78.3 mm of rain over roughly 6.7 rainy days.
What is the air quality in Burlington in September?
Burlington has a mean US Air Quality Index of about 38 in September.

Within 300 km: Stowe's Mount Mansfield summer season around 25 May – 15 Oct, and Lake Placid's Adirondack foliage around 20 Sep – 15 Oct.