September weather forecastCamp Washington, OH
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Camp Washington, Ohio, with an average temperature fluctuating between 77.9°F (25.5°C) and 58.6°F (14.8°C).Temperature
The shift from August to September includes a small decrease in the average high-temperature, from 83.8°F (28.8°C) to a still moderately hot 77.9°F (25.5°C). Throughout the month of September, the nighttime temperature dips to an average of 58.6°F (14.8°C).Humidity
August through October, with an average relative humidity of 74%, are the least humid months.Rainfall
The month with the least rainfall is September, when the rain falls for 12.1 days and typically collects 1.54" (39mm) of precipitation.Snowfall
In Camp Washington, snow does not fall in May through October.Daylight
The average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 7:07 am and sunset at 8:08 pm. On the last day of September, sunrise is at 7:33 am and sunset at 7:21 pm EDT.
Sunshine
The average sunshine in September is 8.3h.UV index
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In September, the maximum UV index of 4 suggests this advice:
Guard yourself - Precautionary measures against sun damage are advocated. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Camp Washington, OH
- Average high temperature in September: 77.9°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (36.1°F).
- Average low temperature in September: 58.6°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (23.7°F).
Average pressure in September
Camp Washington, 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
Camp Washington, OH
- Average wind speed in September: 5.7mph
The windiest month (with the highest average wind speed) is January (8.7mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in September
Camp Washington, OH
- Average humidity in September: 74%
The months with the highest relative humidity are February and December (81%).
The months with the lowest relative humidity are August, September and October (74%).
Average rainfall in September
Camp Washington, OH
- Average rainfall in September: 1.54"
The wettest month (with the highest rainfall) is May (3.27").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in September
Camp Washington, OH
- Average rainfall days in September: 12.1 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is February (8.2 days).
Average snowfall in September
Camp Washington, OH
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.01").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Camp Washington, OH
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (5.5 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
Camp Washington, 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 18min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in September
Camp Washington, OH
- Average sunshine days in September: 16.2 days
The months with the most sunshine days are October and November (19.2 days).
The month with the least sunshine days is May (10.9 days).
Average UV index in September
Camp Washington, OH
- Average UV index in September: 4
The months with the highest UV index are May, 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
Camp Washington, OH
- Average cloud cover in September: 33
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
Camp Washington, 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).





