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 76.3°F (24.6°C) to an agreeable 69.1°F (20.6°C). During September, Claremont consistently records a temperature low averaging a frosty 49.3°F (9.6°C).Humidity
In Claremont, the average relative humidity in September is 79%.Rainfall
In Claremont, during September, the rain falls for 11.1 days and regularly aggregates up to 1.65" (42mm) of precipitation. Throughout the year, there are 138.6 rainfall days, and 24.88" (632mm) of precipitation is accumulated.Snowfall
In Claremont, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 29min.On the first day of the month, sunrise is at 6:14 am and sunset at 7:24 pm. On the last day of September, sunrise is at 6:46 am and sunset at 6:31 pm EDT.
Sunshine
In September, the average sunshine is 8.3h.UV index
In Claremont, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In September, a daily UV index of 3 turns into the following recommendations:
Exercise prevention - Warding off sunburn is urged. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Claremont in September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
Does it snow in Claremont in September?
What is the average length of the day in September?
When are sunrise and sunset in September?
How many hours of sunshine does Claremont have in September?
How high is the UV index in September?
Average temperature in September
Claremont, NH
- Average high temperature in September: 69.1°F
The warmest month (with the highest average high temperature) is July (77.7°F).
The month with the lowest average high temperature is January (25.2°F).
- Average low temperature in September: 49.3°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 (12.6°F).
Average pressure in September
Claremont, 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
Claremont, NH
- Average wind speed in September: 5.3mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in September
Claremont, NH
- Average humidity in September: 79%
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are April and May (75%).
Average rainfall in September
Claremont, NH
- Average rainfall in September: 1.65"
The wettest month (with the highest rainfall) is October (2.68").
The driest month (with the least rainfall) is January (1.57").
Average rainfall days in September
Claremont, NH
- Average rainfall days in September: 11.1 days
The month with the highest number of rainy days is June (17 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in September
Claremont, NH
- Average snowfall in September: 0"
The month with the highest snowfall is February (11.54").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Claremont, NH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is March (16.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Claremont, 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 2min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in September
Claremont, NH
- Average sunshine days in September: 16.1 days
The month with the most sunshine days is September (16.1 days).
The months with the least sunshine days are March and June (10.8 days).
Average UV index in September
Claremont, NH
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover in September
Claremont, NH
- Average cloud cover in September: 39
The month with the most cloud cover is February (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in September
Claremont, NH
- Average visibility in September: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).
Claremont, New Hampshire, USA
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