September weather forecastForest Dale, VT
September
Weather in September
September, the first month of the autumn in Forest Dale, is still a pleasant month, with an average temperature varying between 68.9°F (20.5°C) and 48.4°F (9.1°C).Temperature
September's onset introduces a mild reduction in the average high-temperature, from a warm 76.5°F (24.7°C) in August to an agreeable 68.9°F (20.5°C). Forest Dale's nighttime temperature in September drops to an average of 48.4°F (9.1°C).Humidity
In Forest Dale, the average relative humidity in September is 80%.Rainfall
September is the month with the least rainfall in Forest Dale. Rain falls for 10.2 days and accumulates 0.94" (24mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September in Forest Dale 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 September, the average sunshine is 8.3h.UV index
In Forest Dale, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: A daily maximum UV index of 3 in September translates into the following instructions:
Make use of precautions - It is urged to ward off sun damage. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Forest Dale, 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
Forest Dale, 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
Forest Dale, 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
Forest Dale, 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
Forest Dale, 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
Forest Dale, 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
Forest Dale, 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
Forest Dale, 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
Forest Dale, 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
Forest Dale, 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
Forest Dale, 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
Forest Dale, 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
Forest Dale, 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).





