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
In September, the meteorological conditions in Fitchburg, Massachusetts, change slightly, with the average high-temperature moving from a moderately hot 79.3°F (26.3°C) in August to a pleasant 71.6°F (22°C). During September nights, Fitchburg witnesses a consistent average temperature of 53.6°F (12°C).Humidity
In September, the average relative humidity is 78%.Rainfall
September is the month with the least rainfall in Fitchburg. Rain falls for 14 days and accumulates 1.81" (46mm) of precipitation.Snowfall
In Fitchburg, Massachusetts, snow does not fall in June through September.Daylight
The average length of the day in September in Fitchburg is 12h and 29min.On the first day of September in Fitchburg, 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, Massachusetts, the average sunshine in September is 8.1h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: A maximum high daily UV index of 4 during September translates into the following directions:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Frequently asked questions
What is the usual temperature for Fitchburg in September?
What is the average humidity in September in Fitchburg?
What is the driest month in Fitchburg?
How many days does it rain in September in Fitchburg?
When it does not snow in Fitchburg?
Does it snow in Fitchburg in September?
How many hours of daylight does Fitchburg have in September?
When are sunrise and sunset in September in Fitchburg?
How many hours of sunshine does Fitchburg have in September?
How high is the UV index in September in Fitchburg?
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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