September weather forecastCavendish, VT
September
Weather in September
The arrival of September brings slightly cooler temperatures, marking the gradual transition to autumn in Cavendish. This month is noticeable for its lower rainfall and extended sunshine hours despite the shortening days. Typical of autumn, nights start getting nippy, and the landscape begins to adopt an array of colors. The overall weather is still pleasant, ideal for outdoor activities without the intense heat of summer months.Temperature
The move into September indicates a slight reduction in the average high-temperature, down from August's moderately hot 76.1°F (24.5°C) to a pleasant 69.1°F (20.6°C). During September nights, Cavendish witnesses a consistent average temperature of 49.1°F (9.5°C).Humidity
In Cavendish, the average relative humidity in September is 80%.Rainfall
September is the month with the least rainfall. Rain falls for 9.9 days and accumulates 1.06" (27mm) of precipitation.Snowfall
June through September are months without snowfall in Cavendish.Daylight
In Cavendish, the average length of the day in September is 12h and 29min.On the first day of September, sunrise is at 6:15 am and sunset at 7:25 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 6:32 pm EDT.
Sunshine
In Cavendish, the average sunshine in September is 8.3h.UV index
The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: The daily maximum UV index of 3 in September interprets into the following advice:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Cavendish, VT
- Average high temperature in September: 69.1°F
The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is January (25.2°F).
- Average low temperature in September: 49.1°F
The month with the highest average low temperature is July (57°F).
The coldest month (with the lowest average low temperature) is January (12.9°F).
Average pressure in September
Cavendish, VT
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Cavendish, VT
- Average wind speed in September: 5.3mph
The windiest months (with the highest average wind speed) are January, February and April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in September
Cavendish, VT
- Average humidity in September: 80%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is April (75%).
Average rainfall in September
Cavendish, VT
- Average rainfall in September: 1.06"
The wettest month (with the highest rainfall) is October (1.85").
The driest month (with the least rainfall) is September (1.06").
Average rainfall days in September
Cavendish, VT
- Average rainfall days in September: 9.9 days
The month with the highest number of rainy days is July (13.9 days).
The month with the least rainy days is February (4.6 days).
Average snowfall in September
Cavendish, VT
- Average snowfall in September: 0"
The month with the highest snowfall is February (6.57").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Cavendish, VT
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (11.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Cavendish, VT
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 8h and 18min
The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in September
Cavendish, VT
- Average sunshine days in September: 17.7 days
The month with the most sunshine days is November (19.1 days).
The months with the least sunshine days are June and July (14.4 days).
Average UV index in September
Cavendish, VT
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Cavendish, VT
- Average cloud cover in September: 40
The month with the most cloud cover is February (Cloud cover 61).
The months with the least cloud cover are July and August (Cloud cover 37).
Average visibility in September
Cavendish, VT
- Average visibility in September: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).





