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 brings a minor shift in the average high-temperature, adjusting from a warm 80.2°F (26.8°C) in August to an agreeable 72.7°F (22.6°C). In South Hadley, the expected average low-temperature for September is a cool 53.8°F (12.1°C).Humidity
The average relative humidity in September is 78%.Rainfall
In South Hadley, Massachusetts, in September, it is raining for 10.8 days, with typically 1.26" (32mm) of accumulated precipitation. Throughout the year, there are 136.4 rainfall days, and 18.78" (477mm) of precipitation is accumulated.Snowfall
June through October are months without snowfall in South Hadley.Daylight
The average length of the day in September in South Hadley, Massachusetts, is 12h and 28min.On the first day of the month, sunrise is at 6:16 am and sunset at 7:23 pm. On the last day of September, sunrise is at 6:47 am and sunset at 6:33 pm EDT.
Sunshine
In September, the average sunshine in South Hadley is 8.7h.UV index
The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index, 4 during September, leads to the following recommendations:
Adopt protective measures - It is advised to guard against sun damage. To avoid the Sun's strongest rays, limit exposure around the mid-day period. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Frequently asked questions
What is the usual temperature for South Hadley in September?
What is the average humidity in September in South Hadley?
How much does it rain in South Hadley in September?
When it does not snow in South Hadley?
How many hours of daylight does South Hadley have in September?
When are sunrise and sunset in September in South Hadley?
How long on average sun shines in September in South Hadley?
What is the UV index intensity in September in South Hadley?
Average temperature in September
South Hadley, MA
- Average high temperature in September: 72.7°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (31.1°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
South Hadley, 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
South Hadley, 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
South Hadley, 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
South Hadley, MA
- Average rainfall in September: 1.26"
The wettest month (with the highest rainfall) is July (2.05").
The driest month (with the least rainfall) is January (1.1").
Average rainfall days in September
South Hadley, MA
- Average rainfall days in September: 10.8 days
The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is January (7.1 days).
Average snowfall in September
South Hadley, MA
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.36").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in September
South Hadley, MA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (7.5 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
South Hadley, 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 4min
The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in September
South Hadley, MA
- Average sunshine days in September: 16.3 days
The month with the most sunshine days is January (20 days).
The month with the least sunshine days is June (13.8 days).
Average UV index in September
South Hadley, 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
South Hadley, 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 33).
Average visibility in September
South Hadley, 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).
South Hadley, Massachusetts, USA
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