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 corresponds with a light shift in temperature, down from a warm 81.1°F (27.3°C) in August to a still moderately hot 73.6°F (23.1°C). Throughout September, an average nighttime temperature of 56.1°F (13.4°C) is experienced.Humidity
In September, the average relative humidity is 78%.Rainfall
In Tilly Foster, in September, it is raining for 12 days, with typically 1.93" (49mm) of accumulated precipitation. Throughout the year, there are 150.6 rainfall days, and 29.09" (739mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall in Tilly Foster.Daylight
In Tilly Foster, the average length of the day in September is 12h and 28min.On the first day of September in Tilly Foster, sunrise is at 6:21 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 6:37 pm EDT.
Sunshine
In Tilly Foster, the average sunshine in September is 8.7h.UV index
In Tilly Foster, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, a daily UV index of 4 turns into the following recommendations:
Take precautions - Protection against sun damage is advised. To protect against the Sun's most potent rays, avoid direct exposure around midday. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
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?
What is the average length of the day in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
Tilly Foster, NY
- Average high temperature in September: 73.6°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in September: 56.1°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in September
Tilly Foster, NY
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Tilly Foster, NY
- Average wind speed in September: 5.4mph
The windiest month (with the highest average wind speed) is March (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in September
Tilly Foster, NY
- Average humidity in September: 78%
The months with the highest relative humidity are February, October and December (79%).
The month with the lowest relative humidity is April (73%).
Average rainfall in September
Tilly Foster, NY
- Average rainfall in September: 1.93"
The wettest month (with the highest rainfall) is December (2.99").
The driest month (with the least rainfall) is February (1.73").
Average rainfall days in September
Tilly Foster, NY
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is June (16.6 days).
The month with the least rainy days is January (7 days).
Average snowfall in September
Tilly Foster, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.66").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Tilly Foster, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (8.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Tilly Foster, NY
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in September
Tilly Foster, NY
- Average sunshine days in September: 15.6 days
The month with the most sunshine days is January (18.5 days).
The month with the least sunshine days is June (12.2 days).
Average UV index in September
Tilly Foster, NY
- Average UV index in September: 4
The months with the highest UV index are June and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Tilly Foster, NY
- Average cloud cover in September: 37
The months with the most cloud cover are February, March and December (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Tilly Foster, NY
- Average visibility in September: 6mi
The months with the highest visibility are January, March, April, July, August, September, October, November and December (6mi).
The months with the lowest visibility are February, May and June (5mi).
Tilly Foster, New York, USA
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