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
September signals a slight drop in average high-temperature, sliding from August's moderately hot 80.6°F (27°C) to an agreeable 73°F (22.8°C). Summitville records a steady low-temperature average of 52.3°F (11.3°C) during September.Humidity
The average relative humidity in September is 79%.Rainfall
In Summitville, during September, the rain falls for 11.1 days and regularly aggregates up to 1.22" (31mm) of precipitation. Throughout the year, there are 147.3 rainfall days, and 19.88" (505mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall in Summitville.Daylight
The average length of the day in September in Summitville is 12h and 28min.On the first day of the month, sunrise is at 6:24 am and sunset at 7:30 pm. On the last day of September, sunrise is at 6:54 am and sunset at 6:40 pm EDT.
Sunshine
In September, the average sunshine is 8.7h.UV index
The average daily maximum UV index in September is 4. 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 maximum daily UV index, 4 in September, converts into the following recommendations:
Take precautions - Protection against sunburn is recommended. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Summitville?
What is the average humidity in September in Summitville?
How many days does it rain in September in Summitville?
When it does not snow in Summitville?
Does it snow in Summitville in September?
What is the average length of the day in September in Summitville?
What time are sunrise and sunset in September in Summitville?
How long on average sun shines in September in Summitville?
What is the UV index intensity in September in Summitville?
Average temperature in September
Summitville, NY
- Average high temperature in September: 73°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (31.8°F).
- Average low temperature in September: 52.3°F
The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in September
Summitville, 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
Summitville, NY
- Average wind speed in September: 4.8mph
The windiest months (with the highest average wind speed) are January, February and March (6.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in September
Summitville, NY
- Average humidity in September: 79%
The month with the highest relative humidity is December (83%).
The months with the lowest relative humidity are April and July (76%).
Average rainfall in September
Summitville, NY
- Average rainfall in September: 1.22"
The wettest month (with the highest rainfall) is July (2.13").
The driest month (with the least rainfall) is January (1.14").
Average rainfall days in September
Summitville, NY
- Average rainfall days in September: 11.1 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (7.1 days).
Average snowfall in September
Summitville, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.62").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Summitville, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Summitville, 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 18min).
Average sunshine days in September
Summitville, NY
- Average sunshine days in September: 16 days
The month with the most sunshine days is January (18.3 days).
The month with the least sunshine days is May (11.5 days).
Average UV index in September
Summitville, NY
- Average UV index in September: 4
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Summitville, NY
- Average cloud cover in September: 40
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in September
Summitville, NY
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
Summitville, New York, USA
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