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 heralds a minor drop in average high-temperature, sliding from August's moderately hot 78.4°F (25.8°C) to an agreeable 70.5°F (21.4°C). Strafford observes an average nighttime low-temperature of 51.6°F (10.9°C) during the month of September.Humidity
In September, the average relative humidity is 79%.Rainfall
The month with the least rainfall in Strafford is September, when the rain falls for 11.2 days and typically collects 1.57" (40mm) of precipitation.Snowfall
June through September are months without snowfall in Strafford.Daylight
In Strafford, the average length of the day in September is 12h and 29min.On the first day of the month, sunrise is at 6:09 am and sunset at 7:19 pm. On the last day of September, in Strafford, sunrise is at 6:41 am and sunset at 6:27 pm EDT.
Sunshine
The average sunshine in September in Strafford is 8.4h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the average person.Note: In September, the maximum UV index of 4 suggests these recommendations:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Frequently asked questions
What is the temperature in September in Strafford?
What is the average humidity in September in Strafford?
What is the driest month in Strafford?
How many days does it rain in September in Strafford?
When it does not snow in Strafford?
Does it snow in Strafford in September?
What is the average length of the day in September in Strafford?
When is the sunrise / sunset in September in Strafford?
How long on average sun shines in September in Strafford?
What is the UV index reading in September in Strafford?
Average temperature in September
Strafford, NH
- Average high temperature in September: 70.5°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in September: 51.6°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 (15.3°F).
Average pressure in September
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 (29.91"Hg).
Average wind speed in September
Strafford, NH
- Average wind speed in September: 5.2mph
The windiest month (with the highest average wind speed) is January (7.9mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in September
Strafford, NH
- Average humidity in September: 79%
The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is April (74%).
Average rainfall in September
Strafford, NH
- Average rainfall in September: 1.57"
The wettest month (with the highest rainfall) is October (3.19").
The driest month (with the least rainfall) is September (1.57").
Average rainfall days in September
Strafford, NH
- Average rainfall days in September: 11.2 days
The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is February (6.7 days).
Average snowfall in September
Strafford, NH
- Average snowfall in September: 0"
The month with the highest snowfall is February (7.87").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Strafford, NH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Strafford, NH
- 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 0min).
- Average sunshine in September: 8h and 2min
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
Strafford, NH
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is November (16.7 days).
The month with the least sunshine days is March (13.1 days).
Average UV index in September
Strafford, NH
- Average UV index in September: 4
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in September
Strafford, NH
- Average cloud cover in September: 37
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
Strafford, NH
- 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).
Strafford, New Hampshire, USA
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