September weather forecastBridgewater, CT
September
Weather in September
September, the first month of the autumn in Bridgewater, is still a pleasant month, with an average temperature fluctuating between 55°F (12.8°C) and 73°F (22.8°C).Temperature
The arrival of September corresponds with a light shift in temperature, down from a warm 80.6°F (27°C) in August to an agreeable 73°F (22.8°C). An average low-temperature of 55°F (12.8°C) is common in Bridgewater during the nights of September.Humidity
In Bridgewater, the average relative humidity in September is 79%.Rainfall
In Bridgewater, during September, the rain falls for 13.6 days and regularly aggregates up to 2.44" (62mm) of precipitation. Throughout the year, there are 166.1 rainfall days, and 36.3" (922mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 6:20 am and sunset at 7:26 pm. On the last day of September, sunrise is at 6:49 am and sunset at 6:36 pm EDT.
Sunshine
In Bridgewater, Connecticut, the average sunshine in September is 8.3h.UV index
The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: A typical high UV index of 4 in September suggests the following recommendations:
Prioritize safety - Suggestions to prevent sun damage are offered. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bridgewater, CT
- Average high temperature in September: 73°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in September: 55°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in September
Bridgewater, 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
Bridgewater, CT
- Average wind speed in September: 5.5mph
The windiest months (with the highest average wind speed) are January and March (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in September
Bridgewater, CT
- Average humidity in September: 79%
The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is April (72%).
Average rainfall in September
Bridgewater, CT
- Average rainfall in September: 2.44"
The wettest month (with the highest rainfall) is July (3.82").
The driest month (with the least rainfall) is January (2.24").
Average rainfall days in September
Bridgewater, CT
- Average rainfall days in September: 13.6 days
The month with the highest number of rainy days is July (18.6 days).
The month with the least rainy days is January (7.7 days).
Average snowfall in September
Bridgewater, CT
- Average snowfall in September: 0"
The month with the highest snowfall is February (4.37").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Bridgewater, CT
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Bridgewater, CT
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 8h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in September
Bridgewater, CT
- Average sunshine days in September: 13.9 days
The month with the most sunshine days is January (17 days).
The months with the least sunshine days are June and July (10.3 days).
Average UV index in September
Bridgewater, CT
- Average UV index in September: 4
The months with the highest UV index are June 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
Bridgewater, CT
- Average cloud cover in September: 41
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
Bridgewater, CT
- Average visibility in September: 5mi
The months with the highest visibility are March, April, October, November and December (6mi).
The months with the lowest visibility are January, February, May, June, July, August and September (5mi).
