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
Britanniaville observes a small decrease in the average high-temperature with the arrival of September, falling from August's moderately hot 80.2°F (26.8°C) to an agreeable 72.9°F (22.7°C). In the month of September, Britanniaville witnesses a consistent average low-temperature of 57.7°F (14.3°C).Humidity
June, July and September, with an average relative humidity of 78%, are the most humid months.Rainfall
September is the month with the least rainfall. Rain falls for 11.5 days and accumulates 1.34" (34mm) of precipitation.Snowfall
June through October are months without snowfall.Daylight
In Britanniaville, Massachusetts, the average length of the day in September is 12h and 28min.On the first day of September, sunrise is at 6:10 am and sunset at 7:17 pm. On the last day of the month, sunrise is at 6:41 am and sunset at 6:27 pm EDT.
Sunshine
In Britanniaville, the average sunshine in September is 8.4h.UV index
In Britanniaville, Massachusetts, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. It's recommended to limit sun exposure when its radiation is at its peak during midday. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the most humid month?
What is the average humidity in September?
What is the driest month in Britanniaville?
How many days does it rain in September in Britanniaville?
When it does not snow?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September in Britanniaville?
Average temperature in September
Britanniaville, MA
- Average high temperature in September: 72.9°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (35.6°F).
- Average low temperature in September: 57.7°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).
Average pressure in September
Britanniaville, MA
- 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 (29.93"Hg).
Average wind speed in September
Britanniaville, MA
- Average wind speed in September: 7.2mph
The windiest month (with the highest average wind speed) is March (9.8mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in September
Britanniaville, MA
- Average humidity in September: 78%
The months with the highest relative humidity are June, July and September (78%).
The month with the lowest relative humidity is April (72%).
Average rainfall in September
Britanniaville, MA
- Average rainfall in September: 1.34"
The wettest month (with the highest rainfall) is December (3.27").
The driest month (with the least rainfall) is September (1.34").
Average rainfall days in September
Britanniaville, MA
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is April (16 days).
The month with the least rainy days is February (8.5 days).
Average snowfall in September
Britanniaville, MA
- Average snowfall in September: 0"
The months with the highest snowfall are February and March (3.62").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in September
Britanniaville, MA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Britanniaville, 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 2min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in September
Britanniaville, MA
- Average sunshine days in September: 16 days
The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is April (12.8 days).
Average UV index in September
Britanniaville, MA
- Average UV index in September: 4
The months with the highest UV index are June, July and August (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
Britanniaville, MA
- Average cloud cover in September: 36
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Britanniaville, 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).
Britanniaville, Massachusetts, USA
Weather forecast for your location
2. Allow the app to use your location