September weather forecastNew Preston, CT
September
Weather in September
September, the first month of the autumn in New Preston, is still a pleasant month, with an average temperature varying between 53.4°F (11.9°C) and 72.3°F (22.4°C).Temperature
September is characterized by a mild reduction in the average high-temperature, from a warm 79.9°F (26.6°C) in August to an agreeable 72.3°F (22.4°C). In the month of September, an average of 53.4°F (11.9°C) marks the low-temperature in New Preston.Humidity
In September, the average relative humidity in New Preston, Connecticut, is 80%.Rainfall
In New Preston, in September, during 13.7 rainfall days, 2.36" (60mm) of precipitation is typically accumulated. Throughout the year, there are 161.7 rainfall days, and 34.41" (874mm) of precipitation is accumulated.Snowfall
In New Preston, snow does not fall in June through September.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 New Preston, the average sunshine in September is 8.4h.UV index
In New Preston, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: The UV index of 4 in September translates into these instructions:
Adopt protective measures - Suggestions to resist sunburn are offered. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
New Preston, CT
- Average high temperature in September: 72.3°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 (31.5°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 (19.8°F).
Average pressure in September
New Preston, 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
New Preston, CT
- Average wind speed in September: 5.5mph
The windiest month (with the highest average wind speed) is March (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in September
New Preston, CT
- Average humidity in September: 80%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (73%).
Average rainfall in September
New Preston, CT
- Average rainfall in September: 2.36"
The wettest month (with the highest rainfall) is July (3.7").
The driest month (with the least rainfall) is January (2.13").
Average rainfall days in September
New Preston, CT
- Average rainfall days in September: 13.7 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is January (7.7 days).
Average snowfall in September
New Preston, CT
- Average snowfall in September: 0"
The month with the highest snowfall is February (5.16").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
New Preston, CT
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (10.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
New Preston, 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 24min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days in September
New Preston, CT
- Average sunshine days in September: 13.9 days
The month with the most sunshine days is January (17.5 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in September
New Preston, 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
New Preston, CT
- Average cloud cover in September: 41
The month with the most cloud cover is February (Cloud cover 52).
The months with the least cloud cover are July and August (Cloud cover 37).
Average visibility in September
New Preston, CT
- Average visibility in September: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
