September weather forecastTorrington, CT
September
Weather in September
With the arrival of September, Torrington marks the onset of fall, evidenced by the humidity and temperature, which both show a decline from their August numbers. The cooling trend is gentle, preserving much of the summer's warmth while no longer hitting the high peaks of July and August. One of the hallmarks of September, apart from the longer shadows and shorter days, is the shift in rainfall patterns and the drop in wind speeds.Temperature
The arrival of September in Torrington signals a subtle shift in temperature, down from a moderately hot 79.3°F (26.3°C) in August to a pleasant 72°F (22.2°C). Throughout the month of September, Torrington expects an average low of 53.4°F (11.9°C).Humidity
In Torrington, the average relative humidity in September is 79%.Rainfall
September is the month with the least rainfall in Torrington. Rain falls for 12.4 days and accumulates 2.01" (51mm) of precipitation.Snowfall
June through September are months without snowfall in Torrington, Connecticut.Daylight
In September, the average length of the day in Torrington is 12h and 28min.On the first day of the month, sunrise is at 6:19 am and sunset at 7:25 pm. On the last day of September, in Torrington, sunrise is at 6:49 am and sunset at 6:35 pm EDT.
Sunshine
In Torrington, Connecticut, the average sunshine in September is 8.5h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: A maximum daily UV index of 4 during September morphs into the following directions:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Torrington, CT
- Average high temperature in September: 72°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (31.3°F).
- Average low temperature in September: 53.4°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 (19.2°F).
Average pressure in September
Torrington, CT
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Torrington, CT
- Average wind speed in September: 5.7mph
The windiest month (with the highest average wind speed) is January (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in September
Torrington, CT
- Average humidity in September: 79%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (73%).
Average rainfall in September
Torrington, CT
- Average rainfall in September: 2.01"
The wettest month (with the highest rainfall) is December (3.35").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days in September
Torrington, CT
- Average rainfall days in September: 12.4 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is January (8.2 days).
Average snowfall in September
Torrington, CT
- Average snowfall in September: 0"
The month with the highest snowfall is February (5.28").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Torrington, CT
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (10.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Torrington, CT
- Average daylight in September: 12h and 30min
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 30min
The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in September
Torrington, CT
- Average sunshine days in September: 15.7 days
The month with the most sunshine days is November (16.9 days).
The month with the least sunshine days is June (11.8 days).
Average UV index in September
Torrington, CT
- Average UV index in September: 4
The month with the highest UV index is June (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
Torrington, CT
- Average cloud cover in September: 40
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in September
Torrington, CT
- 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).





