September weather forecastStratford, CT
September
Weather in September
In Stratford, Connecticut, September brings noticeable changes in the weather pattern. Coming off the high temperatures in August, September sees a decrease in the average high temperature, recorded at 72.7°F (22.6°C). Offering milder weather compared to the preceding summer months, it nudges the city slowly towards fall. Furthermore, as the gradual decrease in temperature unfolds, leaves start to take their spectacular autumn hues, creating a miraculous display of color.Temperature
With the arrival of September, Stratford notices a mild change in the average high-temperature, sliding from August's warm 80.1°F (26.7°C) to a pleasant 72.7°F (22.6°C). September in Stratford sees the temperature falling to a mean low of 61.7°F (16.5°C).Humidity
In Stratford, the average relative humidity in September is 75%.Rainfall
September is the month with the least rainfall. Rain falls for 13.3 days and accumulates 2.4" (61mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in September in Stratford is 12h and 28min.On the first day of the month, sunrise is at 6:19 am and sunset at 7:24 pm. On the last day of September, in Stratford, sunrise is at 6:48 am and sunset at 6:35 pm EDT.
Sunshine
In September, the average sunshine is 8.9h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: In September, the average maximum UV index of 4 translates into the following recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. To guard against the harmful effects of the Sun, minimize exposure during midday. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Stratford, CT
- Average high temperature in September: 72.7°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (36°F).
- Average low temperature in September: 61.7°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).
Average pressure in September
Stratford, CT
- Average pressure in September: 30.05"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
Stratford, CT
- Average wind speed in September: 7.9mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).
Average humidity in September
Stratford, CT
- Average humidity in September: 75%
The months with the highest relative humidity are February, May and June (76%).
The months with the lowest relative humidity are April and November (72%).
Average rainfall in September
Stratford, CT
- Average rainfall in September: 2.4"
The wettest month (with the highest rainfall) is December (4.17").
The driest month (with the least rainfall) is September (2.4").
Average rainfall days in September
Stratford, CT
- Average rainfall days in September: 13.3 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (9.9 days).
Average snowfall in September
Stratford, CT
- Average snowfall in September: 0"
The month with the highest snowfall is March (2.83").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Stratford, CT
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (7.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Stratford, 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 18min).
- Average sunshine in September: 8h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in September
Stratford, CT
- Average sunshine days in September: 13.7 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is June (11 days).
Average UV index in September
Stratford, 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
Stratford, CT
- Average cloud cover in September: 33
The months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Stratford, CT
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
