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's arrival signals a moderate reduction in the average high-temperature, easing from a warm 80.1°F (26.7°C) in August to a pleasant 72.1°F (22.3°C). The nighttime temperature, during September, averages of 54°F (12.2°C).Humidity
The average relative humidity in September in Auburn, New Hampshire, is 77%.Rainfall
In Auburn, during September, the rain falls for 8.4 days and regularly aggregates up to 0.79" (20mm) of precipitation. In Auburn, during the entire year, the rain falls for 104.4 days and collects up to 12.95" (329mm) of precipitation.Snowfall
June through September are months without snowfall in Auburn.Daylight
In September, the average length of the day is 12h and 29min.On the first day of September in Auburn, sunrise is at 6:10 am and sunset at 7:19 pm. On the last day of the month, sunrise is at 6:42 am and sunset at 6:27 pm EDT.
Sunshine
In September, the average sunshine in Auburn is 8.4h.UV index
In Auburn, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: An average maximum UV index of 4 in September leads to these recommendations:
Ensure safety - Recommendations to avert sunburn are presented. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Experience reduced UV exposure by about half when donning a wide-brim hat.
Frequently asked questions
What are the temperatures in Auburn in September?
What is the average humidity in September in Auburn?
How much does it rain in Auburn in September?
When it does not snow in Auburn?
Does it snow in Auburn in September?
What is the average length of the day in September in Auburn?
When is the sunrise / sunset in September in Auburn?
How long on average sun shines in September in Auburn?
How high is the UV index in September in Auburn?
Average temperature in September
Auburn, NH
- Average high temperature in September: 72.1°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in September: 54°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in September
Auburn, 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
Auburn, NH
- Average wind speed in September: 5.5mph
The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in September
Auburn, NH
- Average humidity in September: 77%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (72%).
Average rainfall in September
Auburn, NH
- Average rainfall in September: 0.79"
The wettest month (with the highest rainfall) is October (1.38").
The driest month (with the least rainfall) is January (0.75").
Average rainfall days in September
Auburn, NH
- Average rainfall days in September: 8.4 days
The month with the highest number of rainy days is June (12.1 days).
The month with the least rainy days is January (4.1 days).
Average snowfall in September
Auburn, NH
- Average snowfall in September: 0"
The month with the highest snowfall is December (2.99").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Auburn, NH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Auburn, 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 6min).
- 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
Auburn, NH
- Average sunshine days in September: 20 days
The months with the most sunshine days are January and December (21.3 days).
The month with the least sunshine days is June (16.7 days).
Average UV index in September
Auburn, 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
Auburn, 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
Auburn, NH
- Average visibility in September: 5mi
The months with the highest visibility are January, April, November and December (6mi).
The months with the lowest visibility are February, March, May, June, July, August, September and October (5mi).
Auburn, New Hampshire, USA
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