September weather forecastBelmont, VT
September
Weather in September
September, the first month of the autumn in Belmont, is still a pleasant month, with an average temperature ranging between min 49.1°F (9.5°C) and max 69.1°F (20.6°C).Temperature
Transitioning from August to September involves a subtle drop in average high-temperatures, descending from a moderately hot 76.1°F (24.5°C) to an agreeable 69.1°F (20.6°C). An average minimum temperature of 49.1°F (9.5°C) is recorded during the month of September.Humidity
In Belmont, 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
In Belmont, snow does not fall in June through September.Daylight
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 7:26 pm. On the last day of September, sunrise is at 6:48 am and sunset at 6:33 pm EDT.
Sunshine
In Belmont, the average sunshine in September is 8.3h.UV index
The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: In September, the maximum UV index of 3 transforms into these recommendations:
Put precautions into practice - Guidance to elude sunburn is provided. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Belmont, 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
Belmont, 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
Belmont, 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
Belmont, 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
Belmont, 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
Belmont, 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
Belmont, 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
Belmont, 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
Belmont, 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
Belmont, 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
Belmont, 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
Belmont, 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
Belmont, 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).
