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 slight decrease in the average high-temperature, transitioning from an agreeable 71.8°F (22.1°C) in August to an enjoyable 66.4°F (19.1°C). North Truro notes a steady average temperature of 61.9°F (16.6°C) during the nights of September.Humidity
In September, the average relative humidity is 80%.Rainfall
September is the month with the least rainfall. Rain falls for 12.7 days and accumulates 2.17" (55mm) of precipitation.Snowfall
In North Truro, snow does not fall in May through October.Daylight
In North Truro, Massachusetts, the average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 6:06 am and sunset at 7:13 pm. On the last day of September, sunrise is at 6:37 am and sunset at 6:23 pm EDT.
Sunshine
The average sunshine in September in North Truro, Massachusetts, is 8.6h.UV index
In North Truro, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: In September, the UV index of 4 transforms into the following advice:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Around midday, solar radiation is most harmful; hence, exposure should be limited. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Frequently asked questions
What are the temperatures in North Truro in September?
What is the average humidity in September in North Truro?
What is the driest month in North Truro?
How many days does it rain in September in North Truro?
When it does not snow in North Truro?
How many hours of daylight does North Truro have in September?
When is the sunrise / sunset in September in North Truro?
How long on average sun shines in September in North Truro?
What is the UV index intensity in September in North Truro?
Average temperature in September
North Truro, MA
- Average high temperature in September: 66.4°F
The warmest month (with the highest average high temperature) is August (71.8°F).
The month with the lowest average high temperature is January (37.6°F).
- Average low temperature in September: 61.9°F
The month with the highest average low temperature is August (66.7°F).
The coldest month (with the lowest average low temperature) is January (29.8°F).
Average pressure in September
North Truro, MA
- 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 (29.93"Hg).
Average wind speed in September
North Truro, MA
- Average wind speed in September: 12.6mph
The windiest month (with the highest average wind speed) is January (17.8mph).
The calmest month (with the lowest average wind speed) is August (10.9mph).
Average humidity in September
North Truro, MA
- Average humidity in September: 80%
The months with the highest relative humidity are June and July (84%).
The month with the lowest relative humidity is November (74%).
Average rainfall in September
North Truro, MA
- Average rainfall in September: 2.17"
The wettest month (with the highest rainfall) is December (3.39").
The driest month (with the least rainfall) is September (2.17").
Average rainfall days in September
North Truro, MA
- Average rainfall days in September: 12.7 days
The month with the highest number of rainy days is July (17.1 days).
The month with the least rainy days is February (8.6 days).
Average snowfall in September
North Truro, MA
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.85").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
North Truro, MA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
North Truro, MA
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 24min).
Average sunshine days in September
North Truro, MA
- Average sunshine days in September: 15.2 days
The month with the most sunshine days is November (16.6 days).
The month with the least sunshine days is July (12.6 days).
Average UV index in September
North Truro, MA
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
North Truro, MA
- Average cloud cover in September: 32
The month with the most cloud cover is December (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in September
North Truro, MA
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
North Truro, Massachusetts, USA
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