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
Ashfield's transition into September involves a gentle shift in temperature, receding from a moderately hot 77.7°F (25.4°C) in August to a pleasant 70.2°F (21.2°C). In Ashfield, an average temperature of 50.9°F (10.5°C) is noted during September nights.Humidity
In September, the average relative humidity is 79%.Rainfall
The month with the least rainfall in Ashfield is September, when the rain falls for 12.1 days and typically collects 2.17" (55mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Ashfield, the average length of the day in September is 12h and 29min.On the first day of September in Ashfield, sunrise is at 6:16 am and sunset at 7:24 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 6:33 pm EDT.
Sunshine
The average sunshine in September in Ashfield is 8.5h.UV index
In Ashfield, 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 radiation for the average person.Note: In September, the maximum UV index of 4 suggests this advice:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Frequently asked questions
What is the temperature in September in Ashfield?
What is the average humidity in September in Ashfield?
What is the driest month in Ashfield?
How many days does it rain in September in Ashfield?
When it does not snow in Ashfield?
Does it snow in Ashfield in September?
How many hours of daylight does Ashfield have in September?
When is the sunrise / sunset in September in Ashfield?
How long on average sun shines in September in Ashfield?
What is the UV index reading in September in Ashfield?
Average temperature in September
Ashfield, MA
- Average high temperature in September: 70.2°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (28.2°F).
- Average low temperature in September: 50.9°F
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (15.8°F).
Average pressure in September
Ashfield, 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 (29.92"Hg).
Average wind speed in September
Ashfield, MA
- Average wind speed in September: 5.6mph
The windiest months (with the highest average wind speed) are January and February (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in September
Ashfield, MA
- Average humidity in September: 79%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is April (75%).
Average rainfall in September
Ashfield, MA
- Average rainfall in September: 2.17"
The wettest month (with the highest rainfall) is October (3.27").
The driest month (with the least rainfall) is September (2.17").
Average rainfall days in September
Ashfield, MA
- Average rainfall days in September: 12.1 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is February (9.2 days).
Average snowfall in September
Ashfield, MA
- Average snowfall in September: 0"
The month with the highest snowfall is February (8.03").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Ashfield, MA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Ashfield, MA
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 8h and 3min
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: 4h and 18min).
Average sunshine days in September
Ashfield, MA
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is November (15.8 days).
The month with the least sunshine days is June (11.7 days).
Average UV index in September
Ashfield, MA
- Average UV index in September: 4
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in September
Ashfield, MA
- Average cloud cover in September: 39
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in September
Ashfield, MA
- Average visibility in September: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
Ashfield, Massachusetts, USA
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