September weather forecastChemung, NY
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Chemung, New York, with an average temperature varying between 50°F (10°C) and 70.3°F (21.3°C).Temperature
The start of September comes with a small reduction in the average high-temperature, subtly receding from a moderately hot 77.2°F (25.1°C) in August to an agreeable 70.3°F (21.3°C). In Chemung, September nights witness a steady temperature drop to a cool 50°F (10°C).Humidity
In September, the average relative humidity is 81%.Rainfall
In Chemung, in September, during 13.7 rainfall days, 2.24" (57mm) of precipitation is typically accumulated. In Chemung, during the entire year, the rain falls for 171.9 days and collects up to 28.54" (725mm) of precipitation.Snowfall
In Chemung, snow does not fall in June through September.Daylight
In September, the average length of the day in Chemung is 12h and 28min.On the first day of the month, sunrise is at 6:32 am and sunset at 7:39 pm. On the last day of September, sunrise is at 7:03 am and sunset at 6:49 pm EDT.
Sunshine
In September, the average sunshine is 8.4h.UV index
The average daily maximum UV index in September in Chemung, New York, is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the average person.Note: During September, 3 as the daily maximum UV index converts into the following advice:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Chemung, NY
- Average high temperature in September: 70.3°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in September: 50°F
The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).
Average pressure in September
Chemung, NY
- Average pressure in September: 30.07"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
Chemung, NY
- Average wind speed in September: 6mph
The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in September
Chemung, NY
- Average humidity in September: 81%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is July (78%).
Average rainfall in September
Chemung, NY
- Average rainfall in September: 2.24"
The wettest months (with the highest rainfall) are April and July (2.91").
The driest months (with the least rainfall) are January and November (1.77").
Average rainfall days in September
Chemung, NY
- Average rainfall days in September: 13.7 days
The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is February (8.6 days).
Average snowfall in September
Chemung, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (7.2").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Chemung, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (18.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Chemung, 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 12min).
- Average sunshine in September: 8h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The months with the least sunshine are February and December (Average sunshine: 3h and 12min).
Average sunshine days in September
Chemung, NY
- Average sunshine days in September: 14 days
The month with the most sunshine days is September (14 days).
The month with the least sunshine days is February (7.7 days).
Average UV index in September
Chemung, NY
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Chemung, NY
- Average cloud cover in September: 44
The months with the most cloud cover are January, February and December (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 39).
Average visibility in September
Chemung, NY
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).





