September weather forecastCenter Strafford, NH
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Center Strafford, New Hampshire, with temperature in the range of an average high of 70.9°F (21.6°C) and an average low of 52.2°F (11.2°C).Temperature
As September arrives, Center Strafford's weather displays a minor decrease in high-temperatures, transitioning from August's warm 78.6°F (25.9°C) to an agreeable 70.9°F (21.6°C). Center Strafford observes an average low-temperature of 52.2°F (11.2°C) during September nights.Humidity
In Center Strafford, the average relative humidity in September is 78%.Rainfall
September is the month with the least rainfall. Rain falls for 11.7 days and accumulates 1.65" (42mm) of precipitation.Snowfall
In Center Strafford, snow does not fall in June through September.Daylight
In Center Strafford, the average length of the day in September is 12h and 29min.On the first day of September, sunrise is at 6:09 am and sunset at 7:19 pm. On the last day of the month, sunrise is at 6:41 am and sunset at 6:26 pm EDT.
Sunshine
In Center Strafford, the average sunshine in September is 8.5h.UV index
In Center Strafford, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The daily high UV index of 4 during September translates into the following recommendations:
Exercise prevention - Precautions against solar damage are endorsed. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. 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.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Center Strafford, NH
- Average high temperature in September: 70.9°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (29.3°F).
- Average low temperature in September: 52.2°F
The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is January (16.3°F).
Average pressure in September
Center Strafford, NH
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Center Strafford, NH
- Average wind speed in September: 5.4mph
The windiest month (with the highest average wind speed) is January (8.4mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).
Average humidity in September
Center Strafford, NH
- Average humidity in September: 78%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (74%).
Average rainfall in September
Center Strafford, NH
- Average rainfall in September: 1.65"
The wettest month (with the highest rainfall) is October (3.27").
The driest month (with the least rainfall) is September (1.65").
Average rainfall days in September
Center Strafford, NH
- Average rainfall days in September: 11.7 days
The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in September
Center Strafford, NH
- Average snowfall in September: 0"
The month with the highest snowfall is February (8.5").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Center Strafford, NH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Center Strafford, NH
- Average daylight in September: 12h and 30min
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 0min).
- Average sunshine in September: 8h and 30min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in September
Center Strafford, NH
- Average sunshine days in September: 16.2 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is June (13 days).
Average UV index in September
Center Strafford, NH
- 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
Center Strafford, NH
- Average cloud cover in September: 36
The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Center Strafford, NH
- Average visibility in September: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
