September weather forecastNew Athens, OH
September
Weather in September
The first month of the autumn, September, is still a warm month in New Athens, Ohio, with an average temperature varying between 74.8°F (23.8°C) and 55°F (12.8°C).Temperature
The beginning of September brings a slight decrease in the average high-temperature, transitioning from a warm 81.1°F (27.3°C) in August to a still moderately hot 74.8°F (23.8°C). The nighttime temperature dips to a fresh 55°F (12.8°C) on average during September.Humidity
The average relative humidity in September is 79%.Rainfall
September is the month with the least rainfall. Rain falls for 14.9 days and accumulates 2.17" (55mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 26min.On the first day of September, sunrise is at 6:52 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 7:07 pm EDT.
Sunshine
In September, the average sunshine is 8.3h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: In September, a daily UV index of 4 turns into the following recommendations:
Take precautions - Protection against sun damage is advised. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
New Athens, OH
- Average high temperature in September: 74.8°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (32.9°F).
- Average low temperature in September: 55°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure in September
New Athens, OH
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
New Athens, OH
- Average wind speed in September: 5.3mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in September
New Athens, OH
- Average humidity in September: 79%
The months with the highest relative humidity are January and February (85%).
The month with the lowest relative humidity is April (77%).
Average rainfall in September
New Athens, OH
- Average rainfall in September: 2.17"
The wettest months (with the highest rainfall) are April and May (3.19").
The driest month (with the least rainfall) is September (2.17").
Average rainfall days in September
New Athens, OH
- Average rainfall days in September: 14.9 days
The month with the highest number of rainy days is May (20.3 days).
The month with the least rainy days is February (9.8 days).
Average snowfall in September
New Athens, OH
- Average snowfall in September: 0"
The month with the highest snowfall is February (5.94").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
New Athens, OH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
New Athens, 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 18min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in September
New Athens, OH
- Average sunshine days in September: 13 days
The month with the most sunshine days is November (15.4 days).
The month with the least sunshine days is February (8.4 days).
Average UV index in September
New Athens, OH
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
New Athens, OH
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in September
New Athens, OH
- Average visibility in September: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January and February (4mi).
