September weather forecastOnego, WV
September
Weather in September
September, the first month of the autumn in Onego, is also an agreeable month, with temperature in the range of an average high of 71.4°F (21.9°C) and an average low of 51.1°F (10.6°C).Temperature
September's arrival subtly correlates with a reduction in the average high-temperature, down from a warm 77.7°F (25.4°C) in August to a pleasant 71.4°F (21.9°C). September witnesses an average low-temperature hovering around a fresh 51.1°F (10.6°C).Humidity
The average relative humidity in September is 81%.Rainfall
In Onego, in September, during 15.8 rainfall days, 2.28" (58mm) of precipitation is typically accumulated. Throughout the year, in Onego, there are 175.3 rainfall days, and 33.11" (841mm) of precipitation is accumulated.Snowfall
In Onego, snow does not fall in June through September.Daylight
In September, the average length of the day in Onego is 12h and 26min.On the first day of September in Onego, sunrise is at 6:47 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 7:01 pm EDT.
Sunshine
In Onego, the average sunshine in September is 8.3h.UV index
The average daily maximum UV index in September in Onego is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: In September, the average maximum UV index of 3 translates into the following recommendations:
Take precautions - Protection against sun damage is advised. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Onego, WV
- Average high temperature in September: 71.4°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in September: 51.1°F
The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (19.4°F).
Average pressure in September
Onego, WV
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in September
Onego, WV
- Average wind speed in September: 4.7mph
The windiest months (with the highest average wind speed) are January and February (8.6mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in September
Onego, WV
- Average humidity in September: 81%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are June and July (78%).
Average rainfall in September
Onego, WV
- Average rainfall in September: 2.28"
The wettest month (with the highest rainfall) is May (3.66").
The driest month (with the least rainfall) is November (2.2").
Average rainfall days in September
Onego, WV
- Average rainfall days in September: 15.8 days
The month with the highest number of rainy days is May (20.4 days).
The month with the least rainy days is February (8.4 days).
Average snowfall in September
Onego, WV
- Average snowfall in September: 0"
The month with the highest snowfall is January (10.35").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Onego, WV
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Onego, WV
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 8h and 18min
The months with the most sunshine are July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in September
Onego, WV
- Average sunshine days in September: 12.1 days
The month with the most sunshine days is November (13.9 days).
The month with the least sunshine days is May (8.4 days).
Average UV index in September
Onego, WV
- Average UV index in September: 3
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
Onego, WV
- Average cloud cover in September: 46
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are July and August (Cloud cover 40).
Average visibility in September
Onego, WV
- Average visibility in September: 4mi
The months with the highest visibility are January, February, March, April, May, June, July, August, November and December (5mi).
The months with the lowest visibility are September and October (4mi).
