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 transition into September subtly indicates a reduction in the average high-temperature, down to a pleasant 71.8°F (22.1°C) from August's warm 78.6°F (25.9°C). Bernardston experiences a nighttime temperature average of 51.8°F (11°C) during September.Humidity
In September, the average relative humidity is 78%.Rainfall
September is the month with the least rainfall. Rain falls for 11.7 days and accumulates 1.93" (49mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 29min.On the first day of September, sunrise is at 6:15 am and sunset at 7:24 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 6:32 pm EDT.
Sunshine
The average sunshine in September is 8.7h.UV index
In Bernardston, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index of 4 during September translates into these guidelines:
Be vigilant - Suggestions to stave off sun damage are provided. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
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 Bernardston have in September?
What time are sunrise and sunset in September in Bernardston?
How long on average sun shines in September?
What is the UV index reading in September?
Average temperature in September
Bernardston, MA
- Average high temperature in September: 71.8°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 (29.5°F).
- Average low temperature in September: 51.8°F
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).
Average pressure in September
Bernardston, MA
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Bernardston, MA
- Average wind speed in September: 5.5mph
The windiest month (with the highest average wind speed) is March (8mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in September
Bernardston, MA
- Average humidity in September: 78%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (73%).
Average rainfall in September
Bernardston, MA
- Average rainfall in September: 1.93"
The wettest months (with the highest rainfall) are October and December (3.03").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in September
Bernardston, MA
- Average rainfall days in September: 11.7 days
The months with the highest number of rainy days are May and July (16.3 days).
The month with the least rainy days is January (8.4 days).
Average snowfall in September
Bernardston, MA
- Average snowfall in September: 0"
The month with the highest snowfall is February (7.01").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Bernardston, MA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (10.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Bernardston, MA
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 8h and 4min
The months with the most sunshine are July and August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in September
Bernardston, MA
- Average sunshine days in September: 14.2 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is June (10.8 days).
Average UV index in September
Bernardston, MA
- Average UV index in September: 4
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in September
Bernardston, MA
- Average cloud cover in September: 36
The months with the most cloud cover are February and March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Bernardston, MA
- Average visibility in September: 5mi
The months with the highest visibility are April, November and December (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September and October (5mi).
Bernardston, Massachusetts, USA
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