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 commencement of September in Fitchburg indicates a gentle shift in the average high-temperature, receding from August's warm 79.3°F (26.3°C) to a pleasant 71.6°F (22°C). The nights of September anticipate an average low-temperature of 53.6°F (12°C).Humidity
The average relative humidity in September is 78%.Rainfall
September is the month with the least rainfall. Rain falls for 14 days and accumulates 1.81" (46mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 29min.On the first day of September, sunrise is at 6:12 am and sunset at 7:21 pm. On the last day of the month, sunrise is at 6:44 am and sunset at 6:29 pm EDT.
Sunshine
In Fitchburg, the average sunshine in September is 8.1h.UV index
In Fitchburg, Massachusetts, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The average daily UV index of 4 in September transforms into the following instructions:
Undertake precautions - Guarding against sun damage is counselled. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
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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 in Fitchburg?
How much does it rain in September?
When it does not snow?
Does it snow in September?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Fitchburg have in September?
What is the UV index intensity in September?
Average temperature in September
Fitchburg, MA
- Average high temperature in September: 71.6°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (30.7°F).
- Average low temperature in September: 53.6°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in September
Fitchburg, MA
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Fitchburg, MA
- Average wind speed in September: 5.8mph
The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity in September
Fitchburg, MA
- Average humidity in September: 78%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (72%).
Average rainfall in September
Fitchburg, MA
- Average rainfall in September: 1.81"
The wettest month (with the highest rainfall) is December (2.99").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in September
Fitchburg, MA
- Average rainfall days in September: 14 days
The month with the highest number of rainy days is June (16.9 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in September
Fitchburg, MA
- Average snowfall in September: 0"
The month with the highest snowfall is February (6.34").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Fitchburg, MA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Fitchburg, 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 1min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in September
Fitchburg, MA
- Average sunshine days in September: 14.3 days
The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is June (11.4 days).
Average UV index in September
Fitchburg, MA
- Average UV index in September: 4
The months with the highest UV index are June and 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
Fitchburg, MA
- Average cloud cover in September: 40
The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in September
Fitchburg, 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).
Fitchburg, Massachusetts, USA
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