Burlington weather in September: Burlington, Vermont: normal highs, lows, rain and records for September
Burlington in September has a normal high of 73°F and a normal low of 53°F, a daily mean of 63°F, falling from 78°F on the 1st to 66°F by the 30th. Measurable precipitation falls on 11 days in a normal September, 3.67 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 23°C and low of 12°C, 93 mm of precipitation in September.
- NOAA stationBurlington International Airport
- Station IDUSW00014742
- Location44.47°N 73.15°W
- Elevation330 ft (101 m)
- From the center5 miles
- Population44,432
- Jan 29° 13°
- Feb 32° 14°
- Mar 41° 24°
- Apr 55° 36°
- May 69° 48°
- Jun 78° 57°
- Jul 82° 62°
- Aug 81° 61°
- Sep 73° 53°
- Oct 59° 42°
- Nov 46° 32°
- Dec 35° 21°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Burlington in September?
The normal high is 73°F and the normal low 53°F, for a daily mean of 62.7°F. September is 8.0°F cooler than August and 12.4°F warmer than October. September is the 4th warmest month of the year in Burlington and the 5th wettest. Across the month the normal high falls 12°F, from 78°F on September 1 to 66°F on September 30. From one year to the next September's mean temperature typically moves about 2.4°F either way (NOAA's standard deviation), so roughly two Septembers in three average between 60°F and 65°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 40%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| September 1 | 78°F | 58°F | 35% | 21% |
| September 8 | 76°F | 56°F | 36% | 21% |
| September 15 | 73°F | 53°F | 37% | 22% |
| September 22 | 70°F | 51°F | 38% | 23% |
| September 30 | 66°F | 47°F | 40% | 24% |
Every day of September: normal high, low and chance of precipitation (warmest afternoon September 1, coldest night September 30)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| September 1 | 78°F | 58°F | 35% | 21% | 13 h 20 min |
| September 2 | 78°F | 58°F | 35% | 21% | 13 h 10 min |
| September 3 | 78°F | 57°F | 35% | 21% | 13 h 10 min |
| September 4 | 77°F | 57°F | 35% | 21% | 13 h 10 min |
| September 5 | 77°F | 57°F | 35% | 21% | 13 h 10 min |
| September 6 | 77°F | 56°F | 35% | 21% | 13 h |
| September 7 | 76°F | 56°F | 35% | 21% | 13 h |
| September 8 | 76°F | 56°F | 36% | 21% | 13 h |
| September 9 | 76°F | 55°F | 36% | 21% | 12 h 50 min |
| September 10 | 75°F | 55°F | 36% | 22% | 12 h 50 min |
| September 11 | 75°F | 55°F | 36% | 22% | 12 h 50 min |
| September 12 | 74°F | 54°F | 36% | 22% | 12 h 40 min |
| September 13 | 74°F | 54°F | 36% | 22% | 12 h 40 min |
| September 14 | 74°F | 54°F | 36% | 22% | 12 h 40 min |
| September 15 | 73°F | 53°F | 37% | 22% | 12 h 40 min |
| September 16 | 73°F | 53°F | 37% | 22% | 12 h 30 min |
| September 17 | 72°F | 53°F | 37% | 22% | 12 h 30 min |
| September 18 | 72°F | 52°F | 37% | 22% | 12 h 30 min |
| September 19 | 71°F | 52°F | 37% | 22% | 12 h 20 min |
| September 20 | 71°F | 51°F | 37% | 22% | 12 h 20 min |
| September 21 | 70°F | 51°F | 38% | 23% | 12 h 20 min |
| September 22 | 70°F | 51°F | 38% | 23% | 12 h 10 min |
| September 23 | 69°F | 50°F | 38% | 23% | 12 h 10 min |
| September 24 | 69°F | 50°F | 38% | 23% | 12 h 10 min |
| September 25 | 69°F | 49°F | 39% | 23% | 12 h 10 min |
| September 26 | 68°F | 49°F | 39% | 23% | 12 h |
| September 27 | 68°F | 49°F | 39% | 24% | 12 h |
| September 28 | 67°F | 48°F | 39% | 24% | 12 h |
| September 29 | 67°F | 48°F | 40% | 24% | 11 h 50 min |
| September 30 | 66°F | 47°F | 40% | 24% | 11 h 50 min |
- Normal high
- 73°FSeptember average
- Normal low
- 53°FSeptember average
- Precipitation
- 3.67 inmonth total
- Days with precipitation
- 110.01 inch or more
- Days at 90°F or more
- 1
- Daylight
- 13 h 20 min to 11 h 50 minSeptember 1 to September 30
- Days at 70°F or more
- 18
- Days at 80°F or more
- 6
- Sunshine
- 75%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00014742; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Burlington in September?
On a given September day the chance of 0.01 inch or more is 37% on average, highest around September 30 (40%). In all, 3.67 in falls on 11 days of a normal September, 1 of them with an inch or more.
In a normal September in Burlington, 1 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00014742.
How humid and windy is Burlington in September?
At 3 p.m. the normal temperature is 63°F with 55% relative humidity and a dew point of 47°F; at 6 a.m. it is 50°F with 85% humidity. The wind averages 7.3 mph, most often from the southwest in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 50°F | 46°F | 85% | 6.0 mph | 38% |
| 9 a.m. | 56°F | 48°F | 73% | 9.0 mph | 37% |
| noon | 61°F | 47°F | 59% | 9.7 mph | 36% |
| 3 p.m. | 63°F | 47°F | 55% | 9.5 mph | 37% |
| 6 p.m. | 59°F | 48°F | 67% | 6.6 mph | 40% |
| 9 p.m. | 55°F | 47°F | 77% | 6.0 mph | 50% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00014742. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).
What are the records for September in Burlington?
The warmest September temperature on Burlington's official record (since 1883) is 98°F, on September 9, 2002; the coldest is 25°F, on September 29, 1914. The wettest September brought 10.26 in (1999).
The September mean against the 1991-2020 normal of 62.7°F: 2021 64.5°F (+1.8), 2022 62.0°F (−0.7), 2023 65.4°F (+2.7), 2024 65.6°F (+2.9), 2025 64.1°F (+1.4), 2026 61.2°F (−1.5). 4 of 6 ran warmer than normal.
| September | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 64.5°F | +1.8°F | 3.06 in |
| 2022 | 62.0°F | −0.7°F | 6.46 in |
| 2023 | 65.4°F | +2.7°F | 2.91 in |
| 2024 | 65.6°F | +2.9°F | 2.68 in |
| 2025 | 64.1°F | +1.4°F | 2.89 in |
| 2026 | 61.2°F | −1.5°F | 1.99 in |
Source: records: ACIS, NWS threaded record BTVthr; recent months: ACIS, station USW00014742. Records and recent months use complete months only.
How does September in Burlington compare across Vermont?
Across the 29 places PlainClimate covers in Vermont, September normal highs run from 67°F in South Lincoln to 73°F in North Springfield; Burlington's is 73°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Burlington in August81°F by day, 61°F at night
- Burlington in October59°F by day, 42°F at night
- Burlington through the yearEvery month, frost dates, records and recent years
- Vermont in SeptemberThe statewide normal and the warmest and coolest places
- North Springfield: Vermont's warmest Septembernormal high 73°F