September weather forecastSpringfield, MA
September
Weather in September
September signals the onset of fall in Springfield, Massachusetts, creating an exceptional ambiance with autumn hues. Compared to sweltering August, September sees a more moderate climate, with temperatures taking a dip. The evident transition from summer gives rise to richly colored foliage, marking the city's fall palette. Spring and fall being the bridge seasons, the equilibrium in weather conditions is a major attraction in September. As such, the city portrays a captivating interplay of seasons during this time.Temperature
September reveals a small adjustment in temperature, transitioning from an average high of a moderately hot 80.2°F (26.8°C) in August to a pleasant 72.9°F (22.7°C). During September, Springfield sees a mean low-temperature of 53.8°F (12.1°C).Humidity
In Springfield, the average relative humidity in September is 78%.Rainfall
September is the month with the least rainfall. Rain falls for 3.8 days and accumulates 0.08" (2mm) of precipitation.Snowfall
In Springfield, snow does not fall in May through October.Daylight
In September, the average length of the day 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 6:47 am and sunset at 6:33 pm EDT.
Sunshine
In Springfield, the average sunshine in September is 8.7h.UV index
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: A maximum high UV index of 4 in September translates into the following recommendations:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Springfield, MA
- Average high temperature in September: 72.9°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (31.3°F).
- Average low temperature in September: 53.8°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).
Average pressure in September
Springfield, 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
Springfield, MA
- Average wind speed in September: 5.5mph
The windiest months (with the highest average wind speed) are January and March (8mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in September
Springfield, MA
- Average humidity in September: 78%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (72%).
Average rainfall in September
Springfield, MA
- Average rainfall in September: 0.08"
The wettest month (with the highest rainfall) is November (0.59").
The driest month (with the least rainfall) is September (0.08").
Average rainfall days in September
Springfield, MA
- Average rainfall days in September: 3.8 days
The month with the highest number of rainy days is April (6.6 days).
The month with the least rainy days is January (2.2 days).
Average snowfall in September
Springfield, MA
- Average snowfall in September: 0"
The months with the highest snowfall are March and December (0.43").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Springfield, MA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Springfield, MA
- Average daylight in September: 12h and 30min
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 42min
The months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in September
Springfield, MA
- Average sunshine days in September: 24.9 days
The month with the most sunshine days is January (25.6 days).
The month with the least sunshine days is July (22.4 days).
Average UV index in September
Springfield, 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
Springfield, MA
- Average cloud cover in September: 37
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Springfield, 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).
