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
As September commences, the average high-temperature subtly reduces, transitioning from a moderately hot 79.3°F (26.3°C) in August to an agreeable 71.6°F (22°C). Fitchburg witnesses a consistent average low-temperature of 53.6°F (12°C) throughout September.Humidity
In September, the average relative humidity in Fitchburg is 78%.Rainfall
The month with the least rainfall in Fitchburg is September, when the rain falls for 14 days and typically collects 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 is 12h and 29min.On the first day of the month, sunrise is at 6:12 am and sunset at 7:21 pm. On the last day of September, in Fitchburg, sunrise is at 6:44 am and sunset at 6:29 pm EDT.
Sunshine
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 the ordinary person.Note: A maximum UV index of 4 in September translates into the following recommendations:
Ensure safety - Sun damage prevention is strongly urged. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Fitchburg 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 Fitchburg in September?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
How high is the UV index 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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