September weather forecastDawson, OH
September
Weather in September
September, the first month of the autumn in Dawson, is also a moderately hot month, with temperature in the range of an average low of 56.1°F (13.4°C) and an average high of 73.6°F (23.1°C).Temperature
The onset of September brings a small shift in high-temperatures, falling from a warm 79.2°F (26.2°C) in August to a still moderately hot 73.6°F (23.1°C). During the month of September, the temperature generally drops to a low average of 56.1°F (13.4°C).Humidity
In Dawson, the average relative humidity in September is 79%.Rainfall
In Dawson, Ohio, in September, during 10.3 rainfall days, 0.51" (13mm) of precipitation is typically accumulated. Throughout the year, there are 111.7 rainfall days, and 8.58" (218mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In Dawson, the average length of the day in September is 12h and 26min.On the first day of September, sunrise is at 7:05 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 7:20 pm EDT.
Sunshine
In Dawson, the average sunshine in September is 8.1h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The daily high UV index of 4 in September translates into this advice:
Act with care - The need to guard against sun damage is communicated. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Dawson, OH
- Average high temperature in September: 73.6°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (32°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 (20.1°F).
Average pressure in September
Dawson, OH
- Average pressure in September: 30.04"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Dawson, OH
- Average wind speed in September: 6.6mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in September
Dawson, OH
- Average humidity in September: 79%
The months with the highest relative humidity are January, February and December (83%).
The month with the lowest relative humidity is October (75%).
Average rainfall in September
Dawson, OH
- Average rainfall in September: 0.51"
The wettest months (with the highest rainfall) are May and June (1.06").
The driest month (with the least rainfall) is November (0.47").
Average rainfall days in September
Dawson, OH
- Average rainfall days in September: 10.3 days
The month with the highest number of rainy days is May (13.2 days).
The month with the least rainy days is February (5 days).
Average snowfall in September
Dawson, OH
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.79").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Dawson, OH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Dawson, OH
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 8h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in September
Dawson, OH
- Average sunshine days in September: 17.2 days
The month with the most sunshine days is November (21.8 days).
The month with the least sunshine days is July (13.6 days).
Average UV index in September
Dawson, 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, October, November and December (UV index 2).
Average cloud cover in September
Dawson, OH
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Dawson, OH
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, October, November and December (6mi).
The months with the lowest visibility are August and September (5mi).
