September weather forecastCoventry, CT
September
Weather in September
September, the first month of the autumn in Coventry, is also an agreeable month, with an average temperature ranging between min 55.4°F (13°C) and max 72.9°F (22.7°C).Temperature
The beginning of September brings a slight decrease in the average high-temperature, transitioning from a warm 80.2°F (26.8°C) in August to an agreeable 72.9°F (22.7°C). Coventry records a steady low-temperature average of 55.4°F (13°C) during September.Humidity
In September, the average relative humidity is 78%.Rainfall
September is the month with the least rainfall. Rain falls for 9.6 days and accumulates 0.39" (10mm) of precipitation.Snowfall
In Coventry, snow does not fall in June through October.Daylight
In September, the average length of the day is 12h and 28min.On the first day of September, sunrise is at 6:15 am and sunset at 7:22 pm. On the last day of the month, sunrise is at 6:45 am and sunset at 6:32 pm EDT.
Sunshine
In September, the average sunshine is 8.6h.UV index
In Coventry, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index of 4 during September leads to these instructions:
Undertake precautions - Obligation exists to protect against skin and eye damage. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Coventry, CT
- Average high temperature in September: 72.9°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in September: 55.4°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).
Average pressure in September
Coventry, CT
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Coventry, CT
- Average wind speed in September: 6.2mph
The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in September
Coventry, CT
- Average humidity in September: 78%
The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is April (72%).
Average rainfall in September
Coventry, CT
- Average rainfall in September: 0.39"
The wettest month (with the highest rainfall) is July (1.14").
The driest month (with the least rainfall) is September (0.39").
Average rainfall days in September
Coventry, CT
- Average rainfall days in September: 9.6 days
The month with the highest number of rainy days is July (13.4 days).
The month with the least rainy days is January (5.6 days).
Average snowfall in September
Coventry, CT
- Average snowfall in September: 0"
The month with the highest snowfall is March (0.94").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in September
Coventry, CT
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Coventry, 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 36min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).
Average sunshine days in September
Coventry, CT
- Average sunshine days in September: 18.7 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is July (14.9 days).
Average UV index in September
Coventry, CT
- Average UV index in September: 4
The months with the highest UV index are June, July and August (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
Coventry, CT
- Average cloud cover in September: 37
The months with the most cloud cover are February, March, May and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Coventry, CT
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, October, November and December (6mi).
The months with the lowest visibility are May, June, July, August and September (5mi).





