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 marks a gentle change in average high-temperature, declining from August's moderately hot 76.1°F (24.5°C) to an agreeable 68.9°F (20.5°C). Plainfield, during the month of September, experiences an average low-temperature of 50.2°F (10.1°C).Humidity
The average relative humidity in September in Plainfield is 81%.Rainfall
September is the month with the least rainfall. Rain falls for 12.9 days and accumulates 2.56" (65mm) of precipitation.Snowfall
In Plainfield, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 29min.On the first day of September in Plainfield, sunrise is at 6:17 am and sunset at 7:25 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 6:34 pm EDT.
Sunshine
In Plainfield, the average sunshine in September is 8h.UV index
The average daily maximum UV index in September in Plainfield is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The average daily UV index of 3 in September transforms into the following instructions:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Frequently asked questions
What is the temperature in September in Plainfield?
What is the average humidity in September in Plainfield?
What is the driest month in Plainfield?
How many days does it rain in September in Plainfield?
When it does not snow in Plainfield?
Does it snow in Plainfield in September?
How many hours of daylight does Plainfield have in September?
What time are sunrise and sunset in September in Plainfield?
How long on average sun shines in September in Plainfield?
What is the UV index reading in September in Plainfield?
Average temperature in September
Plainfield, MA
- Average high temperature in September: 68.9°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (27.1°F).
- Average low temperature in September: 50.2°F
The month with the highest average low temperature is July (58.3°F).
The coldest month (with the lowest average low temperature) is January (14.7°F).
Average pressure in September
Plainfield, 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
Plainfield, MA
- Average wind speed in September: 5.7mph
The windiest month (with the highest average wind speed) is January (9mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in September
Plainfield, MA
- Average humidity in September: 81%
The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is April (76%).
Average rainfall in September
Plainfield, MA
- Average rainfall in September: 2.56"
The wettest month (with the highest rainfall) is October (3.66").
The driest month (with the least rainfall) is September (2.56").
Average rainfall days in September
Plainfield, MA
- Average rainfall days in September: 12.9 days
The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is February (9.3 days).
Average snowfall in September
Plainfield, MA
- Average snowfall in September: 0"
The month with the highest snowfall is February (10.47").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Plainfield, MA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (14.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Plainfield, 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 0min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in September
Plainfield, MA
- Average sunshine days in September: 15.3 days
The month with the most sunshine days is September (15.3 days).
The month with the least sunshine days is June (10 days).
Average UV index in September
Plainfield, MA
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover in September
Plainfield, MA
- Average cloud cover in September: 43
The month with the most cloud cover is February (Cloud cover 59).
The months with the least cloud cover are July and August (Cloud cover 39).
Average visibility in September
Plainfield, MA
- Average visibility in September: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).
Plainfield, Massachusetts, USA
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