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 arrival of September, Long Sands notices a mild change in the average high-temperature, sliding from August's warm 76.5°F (24.7°C) to an agreeable 69.1°F (20.6°C). Long Sands records an average low-temperature of 48°F (8.9°C) throughout the month of September.Humidity
The average relative humidity in September is 79%.Rainfall
September is the month with the least rainfall. Rain falls for 10.4 days and accumulates 1.42" (36mm) of precipitation.Snowfall
In Long Sands, 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 6:08 am and sunset at 7:19 pm. On the last day of September, sunrise is at 6:41 am and sunset at 6:26 pm EDT.
Sunshine
In Long Sands, the average sunshine in September is 8.5h.UV index
In September, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 3 during September translates into the following directions:
Undertake protective steps - Recommendations to avoid sunburn are issued. Around midday, solar radiation is most harmful; hence, exposure should be limited. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What is the average humidity in September?
What is the driest month?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Long Sands have in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
What is the UV index reading in September?
Average temperature in September
Long Sands, NH
- Average high temperature in September: 69.1°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (25.7°F).
- Average low temperature in September: 48°F
The month with the highest average low temperature is July (56.1°F).
The coldest month (with the lowest average low temperature) is January (10.9°F).
Average pressure in September
Long Sands, 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
Long Sands, NH
- Average wind speed in September: 4.5mph
The windiest month (with the highest average wind speed) is January (6.4mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in September
Long Sands, 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 May and November (77%).
Average rainfall in September
Long Sands, NH
- Average rainfall in September: 1.42"
The wettest month (with the highest rainfall) is October (2.95").
The driest month (with the least rainfall) is September (1.42").
Average rainfall days in September
Long Sands, NH
- Average rainfall days in September: 10.4 days
The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is February (9.3 days).
Average snowfall in September
Long Sands, NH
- Average snowfall in September: 0"
The month with the highest snowfall is February (11.5").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Long Sands, NH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (14.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Long Sands, 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 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 24min).
Average sunshine days in September
Long Sands, NH
- Average sunshine days in September: 16.8 days
The month with the most sunshine days is September (16.8 days).
The month with the least sunshine days is April (10.6 days).
Average UV index in September
Long Sands, 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 January, February, March, April, October, November and December (UV index 2).
Average cloud cover in September
Long Sands, NH
- Average cloud cover in September: 38
The months with the most cloud cover are February and March (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in September
Long Sands, NH
- Average visibility in September: 5mi
The months with the highest visibility are April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February and March (4mi).
Long Sands, New Hampshire, USA
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