Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The introduction of September sees an average high-temperature of a still warm 75.2°F (24°C), hardly deviating from August. September brings an average low-temperature of 56.7°F (13.7°C) to Washington Court House.Humidity
The average relative humidity in September is 77%.Rainfall
The month with the least rainfall in Washington Court House is September, when the rain falls for 11.3 days and typically collects 1.18" (30mm) of precipitation.Snowfall
May through September are months without snowfall in Washington Court House, Ohio.Daylight
In Washington Court House, the average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 7:02 am and sunset at 8:04 pm. On the last day of September, in Washington Court House, sunrise is at 7:29 am and sunset at 7:17 pm EDT.
Sunshine
The average sunshine in September is 8h.UV index
In Washington Court House, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: In September, the average maximum UV index of 4 translates into the following recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Washington Court House in September?
What is the average humidity in September in Washington Court House?
What is the driest month in Washington Court House?
How much does it rain in Washington Court House in September?
When it does not snow in Washington Court House?
Does it snow in Washington Court House in September?
What is the average length of the day in September in Washington Court House?
When is the sunrise / sunset in September in Washington Court House?
How long on average sun shines in September in Washington Court House?
What is the UV index intensity in September in Washington Court House?
Average temperature in September
Washington Court House, OH
- Average high temperature in September: 75.2°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (34.3°F).
- Average low temperature in September: 56.7°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).
Average pressure in September
Washington Court House, 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 (29.94"Hg).
Average wind speed in September
Washington Court House, OH
- Average wind speed in September: 6.3mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in September
Washington Court House, OH
- Average humidity in September: 77%
The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall in September
Washington Court House, OH
- Average rainfall in September: 1.18"
The wettest month (with the highest rainfall) is May (2.68").
The driest month (with the least rainfall) is September (1.18").
Average rainfall days in September
Washington Court House, OH
- Average rainfall days in September: 11.3 days
The month with the highest number of rainy days is May (16.5 days).
The month with the least rainy days is February (6.7 days).
Average snowfall in September
Washington Court House, OH
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.28").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Washington Court House, OH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Washington Court House, OH
- Average daylight in September: 12h and 2min
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 0min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in September
Washington Court House, OH
- Average sunshine days in September: 16.9 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is May (11.9 days).
Average UV index in September
Washington Court House, 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, November and December (UV index 2).
Average cloud cover in September
Washington Court House, OH
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
Washington Court House, OH
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
Washington Court House, Ohio, USA
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