September weather forecastOkeana, OH
September
Weather in September
September, the first month of the autumn in Okeana, is still a warm month, with temperature in the range of an average high of 77°F (25°C) and an average low of 58.1°F (14.5°C).Temperature
The beginning of September brings a slight decrease in the average high-temperature, transitioning from a warm 82.8°F (28.2°C) in August to a still moderately hot 77°F (25°C). During September, the nighttime temperature averages of 58.1°F (14.5°C).Humidity
The average relative humidity in September is 75%.Rainfall
In Okeana, in September, it is raining for 12.8 days, with typically 1.38" (35mm) of accumulated precipitation. In Okeana, during the entire year, the rain falls for 154.1 days and collects up to 20" (508mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 26min.On the first day of September, sunrise is at 7:08 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 7:22 pm EDT.
Sunshine
In Okeana, the average sunshine in September is 8.5h.UV index
In Okeana, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: In September, the maximum UV index of 5 suggests these recommendations:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Okeana, OH
- Average high temperature in September: 77°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in September: 58.1°F
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).
Average pressure in September
Okeana, OH
- Average pressure in September: 30.03"Hg
The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
Okeana, OH
- Average wind speed in September: 5.8mph
The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in September
Okeana, OH
- Average humidity in September: 75%
The months with the highest relative humidity are January, February and December (81%).
The month with the lowest relative humidity is October (74%).
Average rainfall in September
Okeana, OH
- Average rainfall in September: 1.38"
The wettest month (with the highest rainfall) is May (2.76").
The driest month (with the least rainfall) is November (1.1").
Average rainfall days in September
Okeana, OH
- Average rainfall days in September: 12.8 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is February (8 days).
Average snowfall in September
Okeana, OH
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.38").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Okeana, OH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.8 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
Okeana, 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 30min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in September
Okeana, OH
- Average sunshine days in September: 15.3 days
The month with the most sunshine days is November (18.1 days).
The month with the least sunshine days is May (10 days).
Average UV index in September
Okeana, OH
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Okeana, OH
- Average cloud cover in September: 32
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in September
Okeana, OH
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





