Killington (VT)
September
Weather in Killington, Vermont for September 2026
Your guide to Killington weather in September - trends and predictions
Until now, September 2026 in Killington is slightly cooler than the historical average by 1 °F.
Expect cooler weather in the next days in Killington with the forecast suggesting a temperature of 17.3 °F, lower than the historical average.
In general, the average temperature in Killington at the beginning of September is 20.3 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 19.7 °F by the end of September.
With an average of 4 rainy days, Killington experiences minimal rainfall in September.
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Temperatures
Rain 🌧️
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26
Dry days
4
Rainy days
0
Snow days
20°/10°
Temperatures
11 km/h
Avg max wind
75 %
Avg humidity
Killington Weather September
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Temperatures trend during September in Killington
See the weather trend as well as the moving average line
September weather in Killington day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Cloudy | 18° /11° | 87.9 mm | 5 | |
| Sept. 2 |  Overcast | 20° /13° | 1.8 mm | 3 | |
| Sept. 3 | Cloudy | 22° /13° | 29.7 mm | 5 | |
| Sept. 4 | Cloudy | 22° /12° | 0 mm | 7 | |
| Sept. 5 |  Fog | 21° /12° | 13.3 mm | 6 | |
| Sept. 6 |  Moderate or heavy rain shower | 20° /11° | 25.7 mm | 2 | |
| Sept. 7 | Fog | 19° /9° | 0 mm | 5 | |
| Sept. 8 |  Sunny | 18° /9° | 0.9 mm | 5 | |
| Sept. 9 | Sunny | 21° /8° | 6.9 mm | 4 | |
| Sept. 10 | Overcast | 20° /8° | 0 mm | 7 | |
| Sept. 11 | Sunny | 17° /8° | 0 mm | 5.9 | |
| Sept. 12 | Sunny | 21° /11° | 0 mm | 5.8 | |
| Sept. 13 | Fog | 22° /13° | 4.4 mm | 4.1 | |
| Sept. 14 | Sunny | 21° /9° | 0.2 mm | 5.4 | |
| Sept. 15 | Overcast | 19° /7° | 0 mm | 4 | |
| Sept. 16 | Overcast | 19° /15° | 0.7 mm | 4 | |
| Sept. 17 |  Light rain shower | 16° /11° | 40.8 mm | 3 | |
| Sept. 18 | Sunny | 17° /8° | 0 mm | 5 | |
| Sept. 19 | Sunny | 18° /10° | 0 mm | 5 | |
| Sept. 20 | Sunny | 12° /1° | 0 mm | 4 | |
| Sept. 21 | Sunny | 14° /5° | 0 mm | 4 | |
| Sept. 22 | Overcast | 12° /6° | 10.6 mm | 3 | |
| Sept. 23 | Overcast | 17° /10° | 1.7 mm | 4 | |
| Sept. 24 | Fog | 18° /14° | 0 mm | 1 | |
| Sept. 25 | Moderate or heavy rain shower | 21° /12° | 80 mm | 1 | |
| Sept. 26 | Fog | 19° /15° | 0 mm | 2 | |
| Sept. 27 |  Partly cloudy | 20° /11° | 0 mm | 4 | |
| Sept. 28 | Overcast | 19° /15° | 0 mm | 2 | |
| Sept. 29 | Sunny | 23° /11° | 0 mm | 4 | |
| Sept. 30 | Sunny | 18° /9° | 0 mm | 4 | |
| Next | |||||
Important Notice
Our weather forecast for Killington 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 Killington forecast closer to your planned date for the most up-to-date weather information.
Change Month
Killington in September - FAQ
What are the expected maximum and minimum temperatures in Killington during September?
Enjoy moderate daytime temperatures of up to 20° and cooler nights around 10°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Killington during September?
Significant rainfall exceeding 137.4 mm is expected in Killington during September, occurring over more than 4 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Killington during September?
The average wind speed in Killington during September is 11 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Killington
Explore the daily rainfall trends and prepare for Killingtons September weather 💧
Typically, Killington has 4 rainy days in September with a total of 137.4 mm of rainfall.
UV exposure in Killington during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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