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 80.4°F (26.9°C) in August to a pleasant 73.2°F (22.9°C). The nighttime temperature in East Longmeadow, during September, averages of 54.3°F (12.4°C).Humidity
The average relative humidity in September in East Longmeadow is 77%.Rainfall
In East Longmeadow, Massachusetts, in September, during 9.6 rainfall days, 1.06" (27mm) of precipitation is typically accumulated. In East Longmeadow, during the entire year, the rain falls for 129.5 days and collects up to 16.06" (408mm) of precipitation.Snowfall
In East Longmeadow, snow does not fall in May through October.Daylight
The average length of the day in September is 12h and 28min.On the first day of September, sunrise is at 6:16 am and sunset at 7:23 pm. On the last day of the month, sunrise is at 6:46 am and sunset at 6:32 pm EDT.
Sunshine
In East Longmeadow, the average sunshine in September is 8.5h.UV index
In East Longmeadow, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: In September, the maximum UV index of 4 translates into these guidelines:
Undertake protective steps - Recommendations to avoid sunburn are issued. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Frequently asked questions
What is the temperature in September in East Longmeadow?
What is the average humidity in September in East Longmeadow?
How many days does it rain in September in East Longmeadow?
When it does not snow in East Longmeadow?
What is the average length of the day in September in East Longmeadow?
When is the sunrise / sunset in September in East Longmeadow?
How long on average sun shines in September in East Longmeadow?
What is the UV index intensity in September in East Longmeadow?
Average temperature in September
East Longmeadow, MA
- Average high temperature in September: 73.2°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (31.6°F).
- Average low temperature in September: 54.3°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in September
East Longmeadow, 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
East Longmeadow, MA
- Average wind speed in September: 5.5mph
The windiest month (with the highest average wind speed) is March (8mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in September
East Longmeadow, MA
- Average humidity in September: 77%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (71%).
Average rainfall in September
East Longmeadow, MA
- Average rainfall in September: 1.06"
The wettest months (with the highest rainfall) are July and October (1.69").
The driest month (with the least rainfall) is February (0.91").
Average rainfall days in September
East Longmeadow, MA
- Average rainfall days in September: 9.6 days
The month with the highest number of rainy days is July (13.6 days).
The month with the least rainy days is January (7 days).
Average snowfall in September
East Longmeadow, MA
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.81").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
East Longmeadow, MA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (7.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
East Longmeadow, 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 12min).
- Average sunshine in September: 8h and 3min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in September
East Longmeadow, MA
- Average sunshine days in September: 17.7 days
The month with the most sunshine days is January (20.4 days).
The month with the least sunshine days is June (15.1 days).
Average UV index in September
East Longmeadow, 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
East Longmeadow, MA
- Average cloud cover in September: 38
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 34).
Average visibility in September
East Longmeadow, MA
- Average visibility in September: 5mi
The months with the highest visibility are January, March, April, October, November and December (6mi).
The months with the lowest visibility are February, May, June, July, August and September (5mi).
East Longmeadow, Massachusetts, USA
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