September weather forecastByington, OH
September
Weather in September
September, the first month of the autumn in Byington, is still a warm month, with an average temperature varying between 77.2°F (25.1°C) and 56.8°F (13.8°C).Temperature
The arrival of September corresponds with a light shift in temperature, down from 82.9°F (28.3°C) in August to a still moderately hot 77.2°F (25.1°C). The temperature dips to an average of 56.8°F (13.8°C) during September nights.Humidity
April, September through November, with an average relative humidity of 76%, are the least humid months.Rainfall
September is the month with the least rainfall. Rain falls for 13.7 days and accumulates 1.69" (43mm) of precipitation.Snowfall
In Byington, snow does not fall in May through September.Daylight
The average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 7:02 am and sunset at 8:03 pm. On the last day of September, sunrise is at 7:28 am and sunset at 7:16 pm EDT.
Sunshine
The average sunshine in September is 8.2h.UV index
In Byington, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 4 in September translates into these instructions:
Take precautions - Protection against skin and eye damage is obliged. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Byington, OH
- Average high temperature in September: 77.2°F
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (36.1°F).
- Average low temperature in September: 56.8°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (23.7°F).
Average pressure in September
Byington, OH
- Average pressure in September: 30.04"Hg
The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in September
Byington, OH
- Average wind speed in September: 5.5mph
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 (5mph).
Average humidity in September
Byington, OH
- Average humidity in September: 76%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are April, September, October and November (76%).
Average rainfall in September
Byington, OH
- Average rainfall in September: 1.69"
The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is September (1.69").
Average rainfall days in September
Byington, OH
- Average rainfall days in September: 13.7 days
The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is November (10.4 days).
Average snowfall in September
Byington, OH
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.87").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Byington, OH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Byington, OH
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 8h and 12min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in September
Byington, OH
- Average sunshine days in September: 14.7 days
The month with the most sunshine days is November (18 days).
The month with the least sunshine days is June (9.9 days).
Average UV index in September
Byington, OH
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Byington, OH
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Byington, OH
- Average visibility in September: 5mi
The months with the highest visibility are March, April, June, October, November and December (6mi).
The months with the lowest visibility are January, February, May, July, August and September (5mi).
