Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The arrival of September signals a subtle shift in temperature, down from a moderately hot 77.7°F (25.4°C) in August to an agreeable 70.7°F (21.5°C). An average low-temperature of 50.4°F (10.2°C) is common during the nights of September.Humidity
The average relative humidity in September is 78%.Rainfall
In Hadley, in September, during 10.8 rainfall days, 1.42" (36mm) of precipitation is typically accumulated. In Hadley, during the entire year, the rain falls for 131.2 days and collects up to 21.65" (550mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 29min.On the first day of the month, sunrise is at 6:20 am and sunset at 7:30 pm. On the last day of September, sunrise is at 6:52 am and sunset at 6:37 pm EDT.
Sunshine
In September, the average sunshine in Hadley is 9.1h.UV index
In September, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: In September, the maximum UV index of 3 suggests these recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Hadley?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Hadley have in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Hadley have in September?
What is the UV index intensity in September?
Average temperature in September
Hadley, NY
- Average high temperature in September: 70.7°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (26.8°F).
- Average low temperature in September: 50.4°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 (15.3°F).
Average pressure in September
Hadley, NY
- Average pressure in September: 30.05"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
Hadley, NY
- Average wind speed in September: 5.3mph
The windiest month (with the highest average wind speed) is April (7.4mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in September
Hadley, NY
- Average humidity in September: 78%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is April (74%).
Average rainfall in September
Hadley, NY
- Average rainfall in September: 1.42"
The wettest month (with the highest rainfall) is June (2.4").
The driest months (with the least rainfall) are January and March (1.38").
Average rainfall days in September
Hadley, NY
- Average rainfall days in September: 10.8 days
The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is January (4.8 days).
Average snowfall in September
Hadley, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (6.81").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Hadley, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Hadley, NY
- Average daylight in September: 12h and 3min
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 1min
The months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in September
Hadley, NY
- Average sunshine days in September: 17.1 days
The month with the most sunshine days is January (19.3 days).
The month with the least sunshine days is July (13.2 days).
Average UV index in September
Hadley, 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
Hadley, NY
- Average cloud cover in September: 34
The month with the most cloud cover is February (Cloud cover 58).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in September
Hadley, NY
- Average visibility in September: 5mi
The months with the highest visibility are April, November and December (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September and October (5mi).
Hadley, New York, USA
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