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
With the onset of September, Glen's climate undergoes a slight change as the average high-temperature moves from a moderately hot 75°F (23.9°C) in August to a refreshing 67.6°F (19.8°C). During September, the average low-temperature is a frosty 47.5°F (8.6°C).Humidity
In Glen, New Hampshire, the average relative humidity in September is 80%.Rainfall
The month with the least rainfall is September, when the rain falls for 11.8 days and typically collects 1.69" (43mm) of precipitation.Snowfall
In Glen, snow does not fall in June through September.Daylight
In Glen, the average length of the day in September is 12h and 30min.On the first day of the month, sunrise is at 6:08 am and sunset at 7:20 pm. On the last day of September, sunrise is at 6:42 am and sunset at 6:26 pm EDT.
Sunshine
In September, the average sunshine is 8.5h.UV index
In September, the average daily maximum UV index in Glen is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: A typical high UV index of 3 in September suggests the following recommendations:
Take measures. Individuals with light skin might experience burns in under 30 minutes. To protect against the Sun's most potent rays, avoid direct exposure around midday. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September?
What is the driest month in Glen?
How much does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Glen have in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Glen have in September?
How high is the UV index in September?
Average temperature in September
Glen, NH
- Average high temperature in September: 67.6°F
The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is January (24.1°F).
- Average low temperature in September: 47.5°F
The month with the highest average low temperature is July (55.8°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in September
Glen, 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 (29.91"Hg).
Average wind speed in September
Glen, NH
- Average wind speed in September: 4.5mph
The windiest month (with the highest average wind speed) is January (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in September
Glen, NH
- Average humidity in September: 80%
The months with the highest relative humidity are January and February (87%).
The months with the lowest relative humidity are May and November (77%).
Average rainfall in September
Glen, NH
- Average rainfall in September: 1.69"
The wettest month (with the highest rainfall) is April (3.7").
The driest month (with the least rainfall) is September (1.69").
Average rainfall days in September
Glen, NH
- Average rainfall days in September: 11.8 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is February (10.8 days).
Average snowfall in September
Glen, NH
- Average snowfall in September: 0"
The month with the highest snowfall is February (15.75").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Glen, NH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (17.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Glen, 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: 8h and 54min).
- Average sunshine in September: 8h and 3min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in September
Glen, NH
- Average sunshine days in September: 15.4 days
The month with the most sunshine days is September (15.4 days).
The month with the least sunshine days is February (7.7 days).
Average UV index in September
Glen, NH
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover in September
Glen, NH
- Average cloud cover in September: 39
The month with the most cloud cover is February (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in September
Glen, NH
- Average visibility in September: 4mi
The months with the highest visibility are May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April and September (4mi).
Glen, New Hampshire, USA
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