Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
September's arrival comes with a mild decrease in the average high-temperature, moving subtly from a warm 79.5°F (26.4°C) in August to a pleasant 72.3°F (22.4°C). Belchertown experiences an average temperature drop to a fresh 53.4°F (11.9°C) during September nights.Humidity
In September, the average relative humidity in Belchertown, Massachusetts, is 78%.Rainfall
September is the month with the least rainfall. Rain falls for 12 days and accumulates 1.73" (44mm) of precipitation.Snowfall
June through September are months without snowfall in Belchertown.Daylight
In Belchertown, the average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 6:15 am and sunset at 7:23 pm. On the last day of September, in Belchertown, sunrise is at 6:46 am and sunset at 6:32 pm EDT.
Sunshine
The average sunshine in September in Belchertown is 8.5h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: In September, the UV index of 4 transforms into the following advice:
Exercise prevention - Precautions against solar damage are endorsed. Around midday, solar radiation is most harmful; hence, exposure should be limited. Enhance your sun protection with tightly woven, yet airy clothing.
Frequently asked questions
What are September temperatures in Belchertown?
What is the average humidity in September in Belchertown?
What is the driest month in Belchertown?
How many days does it rain in September in Belchertown?
When it does not snow in Belchertown?
Does it snow in Belchertown in September?
How many hours of daylight does Belchertown have in September?
When is the sunrise / sunset in September in Belchertown?
How many hours of sunshine does Belchertown have in September?
What is the UV index intensity in September in Belchertown?
Average temperature in September
Belchertown, MA
- Average high temperature in September: 72.3°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (30.9°F).
- Average low temperature in September: 53.4°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in September
Belchertown, MA
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Belchertown, MA
- Average wind speed in September: 5.7mph
The windiest months (with the highest average wind speed) are January, February and March (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in September
Belchertown, MA
- Average humidity in September: 78%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (72%).
Average rainfall in September
Belchertown, MA
- Average rainfall in September: 1.73"
The wettest months (with the highest rainfall) are October and December (2.83").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in September
Belchertown, MA
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is January (6.6 days).
Average snowfall in September
Belchertown, MA
- Average snowfall in September: 0"
The month with the highest snowfall is February (5.75").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Belchertown, MA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Belchertown, MA
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 8h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in September
Belchertown, MA
- Average sunshine days in September: 14.9 days
The month with the most sunshine days is November (17.5 days).
The months with the least sunshine days are March and June (12.9 days).
Average UV index in September
Belchertown, MA
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Belchertown, MA
- Average cloud cover in September: 39
The months with the most cloud cover are February and March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in September
Belchertown, MA
- Average visibility in September: 5mi
The months with the highest visibility are April, November and December (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September and October (5mi).
Belchertown, Massachusetts, USA
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