September weather forecastNottingham, NH
September
Weather in September
September, the first month of the autumn in Nottingham, is also an agreeable month, with an average temperature ranging between max 71.2°F (21.8°C) and min 54.1°F (12.3°C).Temperature
With the commencement of September, Nottingham records a moderate temperature decline, with the average high easing from August's moderately hot 79°F (26.1°C) to a pleasant 71.2°F (21.8°C). Nottingham observes an average nighttime temperature of 54.1°F (12.3°C) during September.Humidity
The average relative humidity in September in Nottingham is 78%.Rainfall
The month with the least rainfall is September, when the rain falls for 11.3 days and typically collects 1.5" (38mm) of precipitation.Snowfall
In Nottingham, New Hampshire, snow does not fall in June through September.Daylight
In Nottingham, New Hampshire, 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 7:18 pm. On the last day of September, sunrise is at 6:41 am and sunset at 6:26 pm EDT.
Sunshine
The average sunshine in September is 8.3h.UV index
The average daily maximum UV index in September in Nottingham is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, the maximum UV index of 4 translates into these guidelines:
Be vigilant - Suggestions to stave off sun damage are provided. Minimize direct exposure to the Sun during midday when its radiation is at its peak. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Nottingham, NH
- Average high temperature in September: 71.2°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 (31.3°F).
- Average low temperature in September: 54.1°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in September
Nottingham, 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
Nottingham, NH
- Average wind speed in September: 6mph
The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity in September
Nottingham, NH
- Average humidity in September: 78%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (73%).
Average rainfall in September
Nottingham, NH
- Average rainfall in September: 1.5"
The wettest month (with the highest rainfall) is December (2.99").
The driest month (with the least rainfall) is September (1.5").
Average rainfall days in September
Nottingham, NH
- Average rainfall days in September: 11.3 days
The month with the highest number of rainy days is May (14.9 days).
The month with the least rainy days is January (6.4 days).
Average snowfall in September
Nottingham, NH
- Average snowfall in September: 0"
The month with the highest snowfall is February (5.98").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Nottingham, NH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Nottingham, 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 18min
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
Nottingham, NH
- Average sunshine days in September: 17.1 days
The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is April (13.6 days).
Average UV index in September
Nottingham, 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
Nottingham, NH
- Average cloud cover in September: 37
The month with the most cloud cover is March (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Nottingham, NH
- Average visibility in September: 5mi
The months with the highest visibility are January, March, April, June, October, November and December (6mi).
The months with the lowest visibility are February, May, July, August and September (5mi).





