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 advent of September brings a subtle shift in temperature, with the average high moving from a pleasant 73°F (22.8°C) in August to a comfortable 66.2°F (19°C). In September, the temperature drops to an average of 47.5°F (8.6°C) at night.Humidity
In Center Sandwich, the average relative humidity in September is 81%.Rainfall
The month with the least rainfall is September, when the rain falls for 9.2 days and typically collects 0.71" (18mm) of precipitation.Snowfall
In Center Sandwich, snow does not fall in June through September.Daylight
In Center Sandwich, 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 6:43 am and sunset at 6:28 pm EDT.
Sunshine
The average sunshine in September is 7.7h.UV index
In September, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 3 during September leads to these advisories:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
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?
How many days does it rain in September?
When it does not snow?
Does it snow in Center Sandwich in September?
How many hours of daylight does Center Sandwich 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
Center Sandwich, NH
- Average high temperature in September: 66.2°F
The warmest month (with the highest average high temperature) is July (74.8°F).
The month with the lowest average high temperature is January (22.5°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 (9.5°F).
Average pressure in September
Center Sandwich, 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
Center Sandwich, NH
- Average wind speed in September: 4.7mph
The windiest month (with the highest average wind speed) is January (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in September
Center Sandwich, NH
- Average humidity in September: 81%
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is May (78%).
Average rainfall in September
Center Sandwich, NH
- Average rainfall in September: 0.71"
The wettest month (with the highest rainfall) is April (1.57").
The driest month (with the least rainfall) is September (0.71").
Average rainfall days in September
Center Sandwich, NH
- Average rainfall days in September: 9.2 days
The month with the highest number of rainy days is July (16.6 days).
The month with the least rainy days is February (6.6 days).
Average snowfall in September
Center Sandwich, NH
- Average snowfall in September: 0"
The months with the highest snowfall are January and February (6.1").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Center Sandwich, NH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (18.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Center Sandwich, 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: 7h and 4min
The month with the most sunshine is August (Average sunshine: 9h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in September
Center Sandwich, 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 February (10.7 days).
Average UV index in September
Center Sandwich, NH
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in September
Center Sandwich, NH
- Average cloud cover in September: 46
The month with the most cloud cover is February (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 42).
Average visibility in September
Center Sandwich, NH
- Average visibility in September: 4mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (4mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (4mi).
Center Sandwich, New Hampshire, USA
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