September weather forecastDormansville, NY
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Dormansville, New York, with an average temperature varying between 51.1°F (10.6°C) and 71.2°F (21.8°C).Temperature
In Dormansville, the average high-temperature in September slightly decreases from a warm 79.3°F (26.3°C) in August to a pleasant 71.2°F (21.8°C). During the month of September, the nighttime temperature falls to an average of 51.1°F (10.6°C).Humidity
In Dormansville, the average relative humidity in September is 79%.Rainfall
In Dormansville, New York, during September, the rain falls for 11.5 days and regularly aggregates up to 2.13" (54mm) of precipitation. Throughout the year, there are 153.2 rainfall days, and 30" (762mm) of precipitation is accumulated.Snowfall
In Dormansville, snow does not fall in June through September.Daylight
In Dormansville, the average length of the day in September is 12h and 29min.On the first day of September in Dormansville, sunrise is at 6:21 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 6:38 pm EDT.
Sunshine
The average sunshine in September is 8.9h.UV index
The average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: A typical high UV index of 3 in September suggests the following recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Dormansville, NY
- Average high temperature in September: 71.2°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (29.1°F).
- Average low temperature in September: 51.1°F
The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).
Average pressure in September
Dormansville, NY
- 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 (29.92"Hg).
Average wind speed in September
Dormansville, NY
- Average wind speed in September: 5.5mph
The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in September
Dormansville, NY
- Average humidity in September: 79%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (75%).
Average rainfall in September
Dormansville, NY
- Average rainfall in September: 2.13"
The wettest month (with the highest rainfall) is July (3.43").
The driest month (with the least rainfall) is January (1.73").
Average rainfall days in September
Dormansville, NY
- Average rainfall days in September: 11.5 days
The months with the highest number of rainy days are May and July (17.1 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in September
Dormansville, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (5.79").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Dormansville, NY
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and 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
Dormansville, NY
- 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 6min).
- Average sunshine in September: 8h and 54min
The months with the most sunshine are July and August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in September
Dormansville, NY
- Average sunshine days in September: 16.1 days
The month with the most sunshine days is November (18 days).
The month with the least sunshine days is June (11.6 days).
Average UV index in September
Dormansville, NY
- Average UV index in September: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in September
Dormansville, NY
- Average cloud cover in September: 36
The month with the most cloud cover is February (Cloud cover 59).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in September
Dormansville, NY
- Average visibility in September: 5mi
The months with the highest visibility are April, June, November and December (6mi).
The months with the lowest visibility are January, February, March, May, July, August, September and October (5mi).
