Chittenden County (Burlington)
September
Weather in Chittenden County, Vermont for September 2026
Your guide to Chittenden County weather in September - trends and predictions
So far, September 2026 in Chittenden County is slightly warmer than the historical average by 0.6 °F.
The forecast for the next days in Chittenden County predicts a temperature of 18.6 °F, which is cooler than the historical average.
In general, the average temperature in Chittenden County at the beginning of September is 23.9 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 20.6 °F by the end of September.
Chittenden County experiences moderate rainfall in September, with an average of 7 rainy days and a total precipitation of 183.1 mm.
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Temperatures
Rain 🌧️
More
23
Dry days
7
Rainy days
0
Snow days
22°/11°
Temperatures
15 km/h
Avg max wind
73 %
Avg humidity
Chittenden County Weather September
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Temperatures trend during September in Chittenden County
See the weather trend as well as the moving average line
September weather in Chittenden County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Mist | 23° /12° | 24 mm | 4 | |
| Sept. 2 |  Overcast | 24° /16° | 0.9 mm | 3 | |
| Sept. 3 |  Partly cloudy | 26° /16° | 84.8 mm | 4 | |
| Sept. 4 | Partly cloudy | 25° /15° | 0.1 mm | 7 | |
| Sept. 5 | Fog | 24° /14° | 10.6 mm | 4 | |
| Sept. 6 |  Moderate or heavy rain shower | 22° /11° | 30.8 mm | 4 | |
| Sept. 7 | Fog | 23° /9° | 2 mm | 4 | |
| Sept. 8 | Partly cloudy | 21° /10° | 0.3 mm | 4 | |
| Sept. 9 |  Sunny | 23° /9° | 5.5 mm | 4 | |
| Sept. 10 | Partly cloudy | 24° /13° | 0.3 mm | 5 | |
| Sept. 11 | Partly cloudy | 21° /10° | 0 mm | 6 | |
| Sept. 12 | Sunny | 27° /9° | 0 mm | 5.9 | |
| Sept. 13 |  Patchy rain possible | 24° /18° | 5.7 mm | 5.1 | |
| Sept. 14 | Sunny | 17° /14° | 0.1 mm | 5.1 | |
| Sept. 15 | Overcast | 20° /10° | 0 mm | 5 | |
| Sept. 16 | Overcast | 22° /17° | 0.2 mm | 6 | |
| Sept. 17 | Light rain shower | 19° /13° | 7.4 mm | 4 | |
| Sept. 18 | Light rain shower | 19° /13° | 22 mm | 4 | |
| Sept. 19 | Light rain shower | 13° /11° | 51.8 mm | 3 | |
| Sept. 20 | Sunny | 16° /11° | 1.3 mm | 5 | |
| Sept. 21 | Sunny | 16° /11° | 0 mm | 5 | |
| Sept. 22 | Sunny | 19° /11° | 0 mm | 5 | |
| Sept. 23 | Sunny | 18° /12° | 0.2 mm | 4 | |
| Sept. 24 | Patchy rain possible | 17° /10° | 2 mm | 4 | |
| Sept. 25 | Sunny | 14° /7° | 0 mm | 4 | |
| Sept. 26 | Fog | 24° /15° | 0 mm | 2 | |
| Sept. 27 | Mist | 19° /7° | 0 mm | 4 | |
| Sept. 28 | Overcast | 25° /16° | 0 mm | 4 | |
| Sept. 29 | Sunny | 26° /11° | 0 mm | 4 | |
| Sept. 30 | Sunny | 19° /10° | 0 mm | 3 | |
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Important Notice
Our weather forecast for Chittenden County in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Chittenden County forecast closer to your planned date for the most up-to-date weather information.
Change Month
Chittenden County in September - FAQ
What are the expected maximum and minimum temperatures in Chittenden County during September?
Enjoy moderate daytime temperatures of up to 22° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Chittenden County during September?
Significant rainfall exceeding 183.1 mm is expected in Chittenden County during September, occurring over more than 7 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Chittenden County during September?
The average wind speed in Chittenden County during September is 15 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Chittenden County
Explore the daily rainfall trends and prepare for Chittenden Countys September weather 💧
Typically, Chittenden County has 7 rainy days in September with a total of 183.1 mm of rainfall.
UV exposure in Chittenden County during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Where is Chittenden County?Get accurate weather forecasts for Chittenden County, located at latitude 44.476 and longitude -73.212. Stay updated with localized weather information tailored for Chittenden County.
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