September weather forecastBethel, VT
September
Weather in September
September, the first month of the autumn in Bethel, is also an agreeable month, with an average temperature fluctuating between 48.2°F (9°C) and 68.4°F (20.2°C).Temperature
With September's onset, the weather reveals a slight temperature decrease, transitioning from a moderately hot 75.7°F (24.3°C) in August to an agreeable 68.4°F (20.2°C). An average low-temperature of 48.2°F (9°C) is recorded during the nights in September in Bethel.Humidity
In September, the average relative humidity is 80%.Rainfall
The month with the least rainfall in Bethel is September, when the rain falls for 12.5 days and typically collects 1.81" (46mm) of precipitation.Snowfall
In Bethel, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 30min.On the first day of September in Bethel, sunrise is at 6:14 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 September, the average sunshine is 8.3h.UV index
In September, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: An average maximum UV index of 3 in September leads to these recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bethel, VT
- Average high temperature in September: 68.4°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 (24.3°F).
- Average low temperature in September: 48.2°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 (12.2°F).
Average pressure in September
Bethel, 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
Bethel, VT
- Average wind speed in September: 5.3mph
The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in September
Bethel, VT
- Average humidity in September: 80%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are April and May (76%).
Average rainfall in September
Bethel, VT
- Average rainfall in September: 1.81"
The wettest month (with the highest rainfall) is October (2.99").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in September
Bethel, VT
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is June (17.3 days).
The month with the least rainy days is February (7.3 days).
Average snowfall in September
Bethel, VT
- Average snowfall in September: 0"
The month with the highest snowfall is February (12.99").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Bethel, VT
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (19.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Bethel, 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
Bethel, VT
- Average sunshine days in September: 15.3 days
The month with the most sunshine days is September (15.3 days).
The month with the least sunshine days is February (7.8 days).
Average UV index in September
Bethel, VT
- Average UV index in September: 3
The months with the highest UV index are 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
Bethel, VT
- Average cloud cover in September: 41
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
Bethel, VT
- Average visibility in September: 5mi
The months with the highest visibility are April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February and March (4mi).





