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
A mild shift in the average high-temperature occurs in September, reducing from a moderately hot 77.9°F (25.5°C) in August to a pleasant 69.8°F (21°C). During September, East Andover experiences an average low-temperature of 49.8°F (9.9°C) at night.Humidity
The average relative humidity in September in East Andover is 79%.Rainfall
September is the month with the least rainfall. Rain falls for 11.1 days and accumulates 1.77" (45mm) of precipitation.Snowfall
In East Andover, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 29min.On the first day of the month, sunrise is at 6:11 am and sunset at 7:21 pm. On the last day of September, sunrise is at 6:44 am and sunset at 6:29 pm EDT.
Sunshine
In East Andover, the average sunshine in September is 8.2h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: A maximum daily UV index of 4 during September morphs into the following directions:
Prioritize safety - Suggestions to prevent sun damage are offered. Around midday, solar radiation is most harmful; hence, exposure should be limited. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in East Andover?
What is the average humidity in September in East Andover?
What is the driest month in East Andover?
How many days does it rain in September in East Andover?
When it does not snow in East Andover?
Does it snow in East Andover in September?
What is the average length of the day in September in East Andover?
When are sunrise and sunset in September in East Andover?
How long on average sun shines in September in East Andover?
What is the UV index reading in September in East Andover?
Average temperature in September
East Andover, NH
- Average high temperature in September: 69.8°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (26.6°F).
- Average low temperature in September: 49.8°F
The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (13.6°F).
Average pressure in September
East Andover, 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 (29.91"Hg).
Average wind speed in September
East Andover, NH
- Average wind speed in September: 4.9mph
The windiest months (with the highest average wind speed) are January and February (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in September
East Andover, NH
- Average humidity in September: 79%
The months with the highest relative humidity are January and February (85%).
The month with the lowest relative humidity is April (74%).
Average rainfall in September
East Andover, NH
- Average rainfall in September: 1.77"
The wettest month (with the highest rainfall) is October (3.23").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in September
East Andover, NH
- Average rainfall days in September: 11.1 days
The month with the highest number of rainy days is May (14.5 days).
The month with the least rainy days is February (6.6 days).
Average snowfall in September
East Andover, NH
- Average snowfall in September: 0"
The month with the highest snowfall is February (8.78").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
East Andover, NH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
East Andover, NH
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in September
East Andover, NH
- Average sunshine days in September: 17.3 days
The month with the most sunshine days is September (17.3 days).
The month with the least sunshine days is March (12.5 days).
Average UV index in September
East Andover, NH
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in September
East Andover, NH
- Average cloud cover in September: 39
The months with the most cloud cover are February and March (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in September
East Andover, NH
- Average visibility in September: 4mi
The months with the highest visibility are January, March, April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are February and September (4mi).
East Andover, New Hampshire, USA
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