September weather forecastBrandon, VT
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Brandon, Vermont, with an average temperature ranging between max 68.9°F (20.5°C) and min 48.4°F (9.1°C).Temperature
The transition to September results in a modest reduction in average high-temperature, moving from a moderately hot 76.5°F (24.7°C) in August to a pleasant 68.9°F (20.5°C). Brandon records a mean low-temperature of 48.4°F (9.1°C) in September.Humidity
In Brandon, the average relative humidity in September is 80%.Rainfall
September is the month with the least rainfall. Rain falls for 10.2 days and accumulates 0.94" (24mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Brandon, the average length of the day in September is 12h and 29min.On the first day of the month, sunrise is at 6:16 am and sunset at 7:27 pm. On the last day of September, sunrise is at 6:49 am and sunset at 6:34 pm EDT.
Sunshine
In Brandon, the average sunshine in September is 8.3h.UV index
In Brandon, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: In September, a daily UV index of 3 turns into the following recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Brandon, VT
- Average high temperature in September: 68.9°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (24.6°F).
- Average low temperature in September: 48.4°F
The month with the highest average low temperature is July (56.5°F).
The coldest month (with the lowest average low temperature) is January (12.4°F).
Average pressure in September
Brandon, 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
Brandon, VT
- Average wind speed in September: 5.5mph
The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in September
Brandon, VT
- Average humidity in September: 80%
The months with the highest relative humidity are January and February (87%).
The months with the lowest relative humidity are April and May (76%).
Average rainfall in September
Brandon, VT
- Average rainfall in September: 0.94"
The wettest month (with the highest rainfall) is June (1.69").
The driest month (with the least rainfall) is September (0.94").
Average rainfall days in September
Brandon, VT
- Average rainfall days in September: 10.2 days
The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is January (5.4 days).
Average snowfall in September
Brandon, VT
- Average snowfall in September: 0"
The month with the highest snowfall is February (4.84").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Brandon, VT
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (14.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Brandon, 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 month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 0min).
Average sunshine days in September
Brandon, VT
- Average sunshine days in September: 16.4 days
The month with the most sunshine days is November (16.7 days).
The month with the least sunshine days is February (12.4 days).
Average UV index in September
Brandon, 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 January, February and December (UV index 1).
Average cloud cover in September
Brandon, VT
- Average cloud cover in September: 40
The month with the most cloud cover is February (Cloud cover 68).
The month with the least cloud cover is July (Cloud cover 37).
Average visibility in September
Brandon, 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).
