September weather forecastDover, VT
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Dover, Vermont, with an average temperature varying between 49.3°F (9.6°C) and 68.2°F (20.1°C).Temperature
In Dover, the beginning of September is marked by a marginally lowered average high-temperature, shifting from August's warm 75.2°F (24°C) to an agreeable 68.2°F (20.1°C). Dover experiences an average nighttime temperature of 49.3°F (9.6°C) in the month of September.Humidity
In September, the average relative humidity in Dover is 81%.Rainfall
September is the month with the least rainfall. Rain falls for 13.6 days and accumulates 2.72" (69mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Dover, the average length of the day in September is 12h and 29min.On the first day of September, sunrise is at 6:16 am and sunset at 7:25 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 6:33 pm EDT.
Sunshine
The average sunshine in September in Dover, Vermont, is 7.9h.UV index
In Dover, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In September, the maximum UV index of 3 translates into these guidelines:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Dover, VT
- Average high temperature in September: 68.2°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (25.3°F).
- Average low temperature in September: 49.3°F
The month with the highest average low temperature is July (57.6°F).
The coldest month (with the lowest average low temperature) is January (13.6°F).
Average pressure in September
Dover, 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 (29.92"Hg).
Average wind speed in September
Dover, VT
- Average wind speed in September: 5.5mph
The windiest months (with the highest average wind speed) are January and February (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in September
Dover, VT
- Average humidity in September: 81%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is April (77%).
Average rainfall in September
Dover, VT
- Average rainfall in September: 2.72"
The wettest month (with the highest rainfall) is October (3.74").
The driest month (with the least rainfall) is September (2.72").
Average rainfall days in September
Dover, VT
- Average rainfall days in September: 13.6 days
The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is February (7.6 days).
Average snowfall in September
Dover, VT
- Average snowfall in September: 0"
The month with the highest snowfall is February (16.02").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Dover, VT
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (16.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Dover, VT
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 7h and 54min
The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in September
Dover, VT
- Average sunshine days in September: 13.6 days
The month with the most sunshine days is November (13.8 days).
The month with the least sunshine days is February (8.9 days).
Average UV index in September
Dover, VT
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover in September
Dover, VT
- Average cloud cover in September: 44
The month with the most cloud cover is February (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 40).
Average visibility in September
Dover, VT
- Average visibility in September: 4mi
The months with the highest visibility are March, April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are January, February and September (4mi).
