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
Gilmanton's progression into September involves a minor drop in the average high-temperature, slightly receding from a warm 77.9°F (25.5°C) in August to an agreeable 69.8°F (21°C). Gilmanton records an average low-temperature of 49.8°F (9.9°C) throughout the month of September.Humidity
In Gilmanton, the average relative humidity in September is 79%.Rainfall
September is the month with the least rainfall in Gilmanton. Rain falls for 10.9 days and accumulates 1.77" (45mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Gilmanton, the average length of the day in September is 12h and 29min.On the first day of September, sunrise is at 6:10 am and sunset at 7:20 pm. On the last day of the month, sunrise is at 6:42 am and sunset at 6:28 pm EDT.
Sunshine
The average sunshine in September is 8.1h.UV index
In September, the average daily maximum UV index in Gilmanton is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum high UV index of 4 in September translates into the following recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
What is the driest month?
How much does it rain in Gilmanton in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Gilmanton have in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
Gilmanton, NH
- Average high temperature in September: 69.8°F
The warmest month (with the highest average high temperature) is July (79.5°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 (13.5°F).
Average pressure in September
Gilmanton, 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
Gilmanton, NH
- Average wind speed in September: 4.8mph
The windiest month (with the highest average wind speed) is January (7.2mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in September
Gilmanton, 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
Gilmanton, NH
- Average rainfall in September: 1.77"
The wettest month (with the highest rainfall) is October (3.27").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in September
Gilmanton, NH
- Average rainfall days in September: 10.9 days
The month with the highest number of rainy days is April (14.4 days).
The month with the least rainy days is February (5.5 days).
Average snowfall in September
Gilmanton, NH
- Average snowfall in September: 0"
The month with the highest snowfall is February (10.63").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Gilmanton, NH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (12.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Gilmanton, 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: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).
Average sunshine days in September
Gilmanton, NH
- Average sunshine days in September: 17.5 days
The month with the most sunshine days is September (17.5 days).
The month with the least sunshine days is March (12.8 days).
Average UV index in September
Gilmanton, 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
Gilmanton, 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 37).
Average visibility in September
Gilmanton, 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).
Gilmanton, New Hampshire, USA
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