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
The beginning of September brings a minor change in the average high-temperature, shifting from a warm 77.7°F (25.4°C) in August to an agreeable 70°F (21.1°C). Antrim experiences a consistent average temperature of 50.5°F (10.3°C) throughout the nights in September.Humidity
In Antrim, the average relative humidity in September is 79%.Rainfall
September is the month with the least rainfall. Rain falls for 12 days and accumulates 2.17" (55mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day in Antrim is 12h and 29min.On the first day of September in Antrim, sunrise is at 6:12 am and sunset at 7:22 pm. On the last day of the month, sunrise is at 6:44 am and sunset at 6:30 pm EDT.
Sunshine
The average sunshine in September is 8.2h.UV index
In Antrim, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: In September, the maximum UV index of 4 translates into these guidelines:
Exercise prevention - Warding off sunburn is urged. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Frequently asked questions
What is the average September temperature in Antrim?
What is the average humidity in September in Antrim?
What is the driest month in Antrim?
How much does it rain in Antrim in September?
When it does not snow in Antrim?
Does it snow in Antrim in September?
How many hours of daylight does Antrim have in September?
When is the sunrise / sunset in September in Antrim?
How many hours of sunshine does Antrim have in September?
What is the UV index reading in September in Antrim?
Average temperature in September
Antrim, NH
- Average high temperature in September: 70°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 (27.7°F).
- Average low temperature in September: 50.5°F
The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (14.5°F).
Average pressure in September
Antrim, 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
Antrim, NH
- Average wind speed in September: 5.3mph
The windiest months (with the highest average wind speed) are January and February (8mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in September
Antrim, NH
- Average humidity in September: 79%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is April (74%).
Average rainfall in September
Antrim, NH
- Average rainfall in September: 2.17"
The wettest month (with the highest rainfall) is October (3.46").
The driest month (with the least rainfall) is September (2.17").
Average rainfall days in September
Antrim, NH
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is June (15.7 days).
The month with the least rainy days is January (7.6 days).
Average snowfall in September
Antrim, NH
- Average snowfall in September: 0"
The month with the highest snowfall is February (10.12").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Antrim, NH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (12.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Antrim, 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 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 6min).
Average sunshine days in September
Antrim, NH
- Average sunshine days in September: 16.1 days
The month with the most sunshine days is September (16.1 days).
The month with the least sunshine days is March (12.1 days).
Average UV index in September
Antrim, NH
- Average UV index in September: 4
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in September
Antrim, NH
- Average cloud cover in September: 40
The month with the most cloud cover is March (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in September
Antrim, 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).
Antrim, New Hampshire, USA
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