September weather forecastNewtonville, NY
September
Weather in September
September, the first month of the autumn in Newtonville, is also an agreeable month, with an average temperature fluctuating between 71.4°F (21.9°C) and 51.8°F (11°C).Temperature
In Newtonville, the average high-temperature in September slightly decreases from a moderately hot 79.3°F (26.3°C) in August to an agreeable 71.4°F (21.9°C). Throughout September, Newtonville encounters an average temperature drop to a fresh 51.8°F (11°C).Humidity
In September, the average relative humidity in Newtonville is 77%.Rainfall
In Newtonville, in September, it is raining for 12.2 days, with typically 2.24" (57mm) of accumulated precipitation. Throughout the year, in Newtonville, there are 170.2 rainfall days, and 32.91" (836mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall in Newtonville.Daylight
In Newtonville, New York, the average length of the day in September is 12h and 29min.On the first day of the month, sunrise is at 6:20 am and sunset at 7:29 pm. On the last day of September, in Newtonville, sunrise is at 6:51 am and sunset at 6:37 pm EDT.
Sunshine
In September, the average sunshine in Newtonville, New York, 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 threat to health from exposure to the Sun's UV radiation for the average person.Note: The UV index of 3 during September leads to these advisories:
Adopt protective measures - It is advised to guard against sun damage. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Newtonville, NY
- Average high temperature in September: 71.4°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (28.6°F).
- Average low temperature in September: 51.8°F
The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).
Average pressure in September
Newtonville, NY
- Average pressure in September: 30.06"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
Newtonville, NY
- Average wind speed in September: 5.5mph
The windiest months (with the highest average wind speed) are January and February (8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in September
Newtonville, NY
- Average humidity in September: 77%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (73%).
Average rainfall in September
Newtonville, NY
- Average rainfall in September: 2.24"
The wettest month (with the highest rainfall) is May (3.43").
The driest month (with the least rainfall) is March (2.17").
Average rainfall days in September
Newtonville, NY
- Average rainfall days in September: 12.2 days
The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is January (9.3 days).
Average snowfall in September
Newtonville, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (8.15").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Newtonville, NY
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Newtonville, 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 6min).
- Average sunshine in September: 9h and 6min
The months with the most sunshine are July and August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in September
Newtonville, NY
- Average sunshine days in September: 14.6 days
The month with the most sunshine days is November (15.3 days).
The months with the least sunshine days are February and April (10.3 days).
Average UV index in September
Newtonville, 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, March, October, November and December (UV index 2).
Average cloud cover in September
Newtonville, 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 32).
Average visibility in September
Newtonville, NY
- Average visibility in September: 5mi
The months with the highest visibility are April, May, June, July, August, October, November and December (6mi).
The months with the lowest visibility are January, February, March and September (5mi).
