September weather forecastHamlin, NY
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Hamlin, New York, with an average temperature ranging between min 57.4°F (14.1°C) and max 70.3°F (21.3°C).Temperature
Hamlin in September experiences a gentle temperature dip, with average high-temperatures reducing from a moderately hot 76.5°F (24.7°C) in August to a pleasant 70.3°F (21.3°C). Hamlin observes an average low-temperature of 57.4°F (14.1°C) during September nights.Humidity
August and September, with an average relative humidity of 76%, are the least humid months.Rainfall
In Hamlin, in September, it is raining for 14.8 days, with typically 1.77" (45mm) of accumulated precipitation. In Hamlin, during the entire year, the rain falls for 163.5 days and collects up to 24.61" (625mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Hamlin, the average length of the day in September is 12h and 29min.On the first day of September, sunrise is at 6:36 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 6:54 pm EDT.
Sunshine
The average sunshine in September is 9.3h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.Note: A maximum UV index of 4 in September translates into the following recommendations:
Take precautions - Protection against sun damage is advised. To guard against the harmful effects of the Sun, minimize exposure during midday. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Hamlin, NY
- Average high temperature in September: 70.3°F
The warmest month (with the highest average high temperature) is July (77.2°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in September: 57.4°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).
Average pressure in September
Hamlin, NY
- Average pressure in September: 30.04"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Hamlin, NY
- Average wind speed in September: 8.4mph
The windiest month (with the highest average wind speed) is January (12.4mph).
The calmest month (with the lowest average wind speed) is July (7.4mph).
Average humidity in September
Hamlin, NY
- Average humidity in September: 76%
The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are August and September (76%).
Average rainfall in September
Hamlin, NY
- Average rainfall in September: 1.77"
The wettest month (with the highest rainfall) is May (2.72").
The driest month (with the least rainfall) is January (1.46").
Average rainfall days in September
Hamlin, NY
- Average rainfall days in September: 14.8 days
The months with the highest number of rainy days are August and October (17.3 days).
The month with the least rainy days is February (7.1 days).
Average snowfall in September
Hamlin, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (5.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Hamlin, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Hamlin, NY
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 9h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The months with the least sunshine are January and February (Average sunshine: 2h and 42min).
Average sunshine days in September
Hamlin, NY
- Average sunshine days in September: 13.4 days
The month with the most sunshine days is September (13.4 days).
The month with the least sunshine days is January (6.9 days).
Average UV index in September
Hamlin, NY
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Hamlin, NY
- Average cloud cover in September: 31
The month with the most cloud cover is January (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 27).
Average visibility in September
Hamlin, NY
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).





