September weather forecastShawnee, OH
September
Weather in September
The first month of the autumn, September, is still a warm month in Shawnee, Ohio, with an average temperature fluctuating between 56.1°F (13.4°C) and 76.3°F (24.6°C).Temperature
September signals a slight drop in average high-temperature, sliding from August's 82.8°F (28.2°C) to a still moderately hot 76.3°F (24.6°C). Nighttime temperature in Shawnee lowers to an average of 56.1°F (13.4°C) in September.Humidity
In Shawnee, the average relative humidity in September is 77%.Rainfall
September is the month with the least rainfall in Shawnee. Rain falls for 12.9 days and accumulates 1.89" (48mm) of precipitation.Snowfall
May through September are months without snowfall in Shawnee.Daylight
In September, the average length of the day in Shawnee is 12h and 26min.On the first day of the month, sunrise is at 6:57 am and sunset at 7:59 pm. On the last day of September, in Shawnee, sunrise is at 7:24 am and sunset at 7:12 pm EDT.
Sunshine
In Shawnee, the average sunshine in September is 8.3h.UV index
In Shawnee, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In September, a daily UV index of 4 turns into the following recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Around midday, solar radiation is most harmful; hence, exposure should be limited. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Shawnee, OH
- Average high temperature in September: 76.3°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (34.3°F).
- Average low temperature in September: 56.1°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).
Average pressure in September
Shawnee, OH
- Average pressure in September: 30.04"Hg
The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in September
Shawnee, 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
Shawnee, OH
- Average humidity in September: 77%
The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is November (76%).
Average rainfall in September
Shawnee, OH
- Average rainfall in September: 1.89"
The wettest month (with the highest rainfall) is May (3.27").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in September
Shawnee, OH
- Average rainfall days in September: 12.9 days
The month with the highest number of rainy days is May (19.1 days).
The month with the least rainy days is January (8.6 days).
Average snowfall in September
Shawnee, OH
- Average snowfall in September: 0"
The month with the highest snowfall is February (4.13").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Shawnee, OH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Shawnee, 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 24min).
- Average sunshine in September: 8h and 18min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in September
Shawnee, OH
- Average sunshine days in September: 14.4 days
The month with the most sunshine days is November (18.6 days).
The month with the least sunshine days is May (9.7 days).
Average UV index in September
Shawnee, OH
- Average UV index in September: 4
The months with the highest UV index are May, June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Shawnee, OH
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Shawnee, OH
- Average visibility in September: 5mi
The months with the highest visibility are March, April, October and November (6mi).
The months with the lowest visibility are January, February, May, June, July, August, September and December (5mi).





