September weather forecastClymer, NY
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Clymer, New York, with an average temperature ranging between min 52.2°F (11.2°C) and max 69.8°F (21°C).Temperature
Clymer experiences a transition to an agreeable 69.8°F (21°C) in average high-temperatures with the arrival of September, not greatly differing from August's 74.8°F (23.8°C). During the nights in September, Clymer experiences a consistent average temperature of 52.2°F (11.2°C).Humidity
In Clymer, the average relative humidity in September is 83%.Rainfall
September is the month with the least rainfall. Rain falls for 16.3 days and accumulates 2.13" (54mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 28min.On the first day of September, sunrise is at 6:44 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 7:01 pm EDT.
Sunshine
In September, the average sunshine is 7.8h.UV index
The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 3 in September translates into these instructions:
Take precautions - Protection against skin and eye damage is obliged. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Clymer, NY
- Average high temperature in September: 69.8°F
The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is January (28.4°F).
- Average low temperature in September: 52.2°F
The month with the highest average low temperature is July (58.3°F).
The coldest month (with the lowest average low temperature) is January (17.2°F).
Average pressure in September
Clymer, NY
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Clymer, NY
- Average wind speed in September: 6.8mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).
Average humidity in September
Clymer, NY
- Average humidity in September: 83%
The months with the highest relative humidity are January and February (90%).
The months with the lowest relative humidity are April and May (81%).
Average rainfall in September
Clymer, NY
- Average rainfall in September: 2.13"
The wettest months (with the highest rainfall) are April and October (3.07").
The driest month (with the least rainfall) is September (2.13").
Average rainfall days in September
Clymer, NY
- Average rainfall days in September: 16.3 days
The month with the highest number of rainy days is May (18.3 days).
The months with the least rainy days are January and February (7.1 days).
Average snowfall in September
Clymer, NY
- Average snowfall in September: 0"
The month with the highest snowfall is December (10.87").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Clymer, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (21 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Clymer, 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: 7h and 48min
The month with the most sunshine is July (Average sunshine: 9h and 24min).
The month with the least sunshine is January (Average sunshine: 1h and 54min).
Average sunshine days in September
Clymer, NY
- Average sunshine days in September: 11.8 days
The month with the most sunshine days is June (11.9 days).
The month with the least sunshine days is January (5.9 days).
Average UV index in September
Clymer, 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, February and December (UV index 1).
Average cloud cover in September
Clymer, NY
- Average cloud cover in September: 43
The month with the most cloud cover is January (Cloud cover 82).
The months with the least cloud cover are July and August (Cloud cover 39).
Average visibility in September
Clymer, NY
- Average visibility in September: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February and December (4mi).





