September weather forecastSuncook, NH
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Suncook, New Hampshire, with an average temperature fluctuating between 52°F (11.1°C) and 71.6°F (22°C).Temperature
The transition into September is accompanied by a slight temperature decrease, with the average high-temperature shifting from a warm 79.7°F (26.5°C) in August to a pleasant 71.6°F (22°C). During the nights in September, an average low-temperature of 52°F (11.1°C) is observed in Suncook, New Hampshire.Humidity
The average relative humidity in September is 78%.Rainfall
The month with the least rainfall in Suncook is September, when the rain falls for 10.7 days and typically collects 1.46" (37mm) of precipitation.Snowfall
In Suncook, snow does not fall in June through September.Daylight
In Suncook, New Hampshire, the average length of the day in September is 12h and 29min.On the first day of September in Suncook, sunrise is at 6:10 am and sunset at 7:20 pm. On the last day of the month, sunrise is at 6:42 am and sunset at 6:28 pm EDT.
Sunshine
In Suncook, New Hampshire, the average sunshine in September is 8.4h.UV index
In September, the average daily maximum UV index in Suncook is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 4 during September leads to these instructions:
Take precautions - Protection against sunburn is recommended. When the Sun is at its strongest around midday, find shade and limit exposure. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Suncook, NH
- Average high temperature in September: 71.6°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (29.5°F).
- Average low temperature in September: 52°F
The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).
Average pressure in September
Suncook, NH
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Suncook, NH
- Average wind speed in September: 5.2mph
The windiest month (with the highest average wind speed) is January (8mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in September
Suncook, 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 (72%).
Average rainfall in September
Suncook, NH
- Average rainfall in September: 1.46"
The wettest month (with the highest rainfall) is October (2.95").
The driest month (with the least rainfall) is September (1.46").
Average rainfall days in September
Suncook, NH
- Average rainfall days in September: 10.7 days
The month with the highest number of rainy days is May (14.3 days).
The month with the least rainy days is January (6.6 days).
Average snowfall in September
Suncook, NH
- Average snowfall in September: 0"
The month with the highest snowfall is February (6.85").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Suncook, NH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Suncook, 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 6min).
- Average sunshine in September: 8h and 24min
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 30min).
Average sunshine days in September
Suncook, NH
- Average sunshine days in September: 16.9 days
The month with the most sunshine days is September (16.9 days).
The month with the least sunshine days is March (12.9 days).
Average UV index in September
Suncook, 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
Suncook, NH
- Average cloud cover in September: 38
The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Suncook, 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).





