September weather forecastBethel, NY
September
Weather in September
September, the first month of the autumn in Bethel, is also an agreeable month, with an average temperature ranging between min 51.1°F (10.6°C) and max 71.2°F (21.8°C).Temperature
In Bethel, the average high-temperature in September slightly decreases from a moderately hot 78.4°F (25.8°C) in August to an agreeable 71.2°F (21.8°C). An average minimum temperature of 51.1°F (10.6°C) marks the month of September.Humidity
In September, the average relative humidity is 80%.Rainfall
September is the month with the least rainfall. Rain falls for 10.7 days and accumulates 1.81" (46mm) of precipitation.Snowfall
In Bethel, snow does not fall in June through September.Daylight
The average length of the day in September in Bethel is 12h and 28min.On the first day of September in Bethel, sunrise is at 6:26 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 6:42 pm EDT.
Sunshine
The average sunshine in September in Bethel is 8.6h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: In September, the average maximum UV index of 4 translates into the following recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bethel, NY
- Average high temperature in September: 71.2°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30°F).
- Average low temperature in September: 51.1°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (17.6°F).
Average pressure in September
Bethel, NY
- Average pressure in September: 30.06"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
Bethel, NY
- Average wind speed in September: 5.2mph
The windiest months (with the highest average wind speed) are January and February (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in September
Bethel, NY
- Average humidity in September: 80%
The month with the highest relative humidity is December (85%).
The month with the lowest relative humidity is July (77%).
Average rainfall in September
Bethel, NY
- Average rainfall in September: 1.81"
The wettest month (with the highest rainfall) is May (3.39").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in September
Bethel, NY
- Average rainfall days in September: 10.7 days
The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is February (9.8 days).
Average snowfall in September
Bethel, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (8.35").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Bethel, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (14.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Bethel, 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 36min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).
Average sunshine days in September
Bethel, NY
- Average sunshine days in September: 17.1 days
The month with the most sunshine days is September (17.1 days).
The month with the least sunshine days is February (9.4 days).
Average UV index in September
Bethel, NY
- Average UV index in September: 4
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, March, October, November and December (UV index 2).
Average cloud cover in September
Bethel, NY
- Average cloud cover in September: 42
The month with the most cloud cover is February (Cloud cover 57).
The month with the least cloud cover is July (Cloud cover 38).
Average visibility in September
Bethel, NY
- Average visibility in September: 4mi
The months with the highest visibility are January, March, April, June, July, August, October, November and December (5mi).
The months with the lowest visibility are February, May and September (4mi).





