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Killington Weather in September
September is one of the excellent months to visit Killington, with daytime temperatures of 21°C (70°F) and lows of 8°C (46°F) at night. Do note that quite a bit of rainfall is typical, averaging around 94 mm (3.7 in).
Rainfall in Killington in September
Climate statistics over the past 30 years suggest around 11 days of rain, with 94 mm (3.7 in) average for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.
Temperature in Killington in September
The excellent temperature in Killington in September makes it a solid month to visit, with 21°C (70°F) during the day and 8°C (46°F) at night. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. At 8°C (46°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.If you're inclined towards comfortable temperatures and drier conditions, September is a good time to visit Killington.
Killington Temperature in September
Min Temperature
8°C (46°F)
Max Temperature
21°C (70°F)
Chance of Rain
37%
Precipitation
94 mm (3.7 in)
Rainy days
11 days
Killington Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Killington - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Killington typically drop from around 23°C (73°F) at the start of September to approximately 18°C (64°F) by the end. Nights are cool, with lows typically ranging from 7°C (45°F) to 12°C (54°F).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather records for Killington in September
Browse day-by-day weather records for Killington spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Killington historical weather extremes in September
According to our 43 years of weather records for Killington, the following extremes were recorded between 1983 and 2026.
- The warmest day in September was on September 9, 2002, with a maximum of 33°C (91°F).
- Nighttime temperatures dropped to -3°C (27°F) on September 29, 2000, marking the coldest September night on record.
Best Places in the United States of America in September
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Killington in September
Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes.
What To Do in Killington in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling9/10 -
Walking9/10 -
Camping4/10 -
Outdoor sports9/10
Killington 3-Day Forecast
More climate data for Killington
See the full Killington climate overview or explore weather in the United States of America.
Popular in September
Where to go in September - average daytime high across popular destinations.
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