September weather forecastColumbia Station, OH
September
Weather in September
September, the first month of the autumn in Columbia Station, is still a pleasant month, with an average temperature varying between 58.5°F (14.7°C) and 71.8°F (22.1°C).Temperature
The arrival of September signals a subtle shift in temperature, down from a warm 77.5°F (25.3°C) in August to an agreeable 71.8°F (22.1°C). During the nights in September, the temperature averages to a mild 58.5°F (14.7°C).Humidity
In Columbia Station, the average relative humidity in September is 78%.Rainfall
In Columbia Station, in September, during 14.2 rainfall days, 2.05" (52mm) of precipitation is typically accumulated. Throughout the year, there are 163.6 rainfall days, and 29.88" (759mm) of precipitation is accumulated.Snowfall
In Columbia Station, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 6:54 am and sunset at 8:00 pm. On the last day of September, sunrise is at 7:24 am and sunset at 7:10 pm EDT.
Sunshine
In Columbia Station, the average sunshine in September is 8.4h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index of 4 during September translates into these guidelines:
Be vigilant - A duty to shield skin and eyes from injury exists. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Columbia Station, OH
- Average high temperature in September: 71.8°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in September: 58.5°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).
Average pressure in September
Columbia Station, OH
- Average pressure in September: 30.04"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Columbia Station, OH
- Average wind speed in September: 7.9mph
The windiest month (with the highest average wind speed) is January (11.2mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in September
Columbia Station, OH
- Average humidity in September: 78%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is November (76%).
Average rainfall in September
Columbia Station, OH
- Average rainfall in September: 2.05"
The wettest month (with the highest rainfall) is June (3.58").
The driest months (with the least rainfall) are February and December (1.81").
Average rainfall days in September
Columbia Station, OH
- Average rainfall days in September: 14.2 days
The month with the highest number of rainy days is May (17.5 days).
The months with the least rainy days are January and February (8.3 days).
Average snowfall in September
Columbia Station, OH
- Average snowfall in September: 0"
The month with the highest snowfall is February (4.21").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Columbia Station, OH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Columbia Station, OH
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 8h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in September
Columbia Station, OH
- Average sunshine days in September: 13.4 days
The month with the most sunshine days is October (13.6 days).
The months with the least sunshine days are January and February (9 days).
Average UV index in September
Columbia Station, OH
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Columbia Station, OH
- Average cloud cover in September: 33
The month with the most cloud cover is January (Cloud cover 71).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in September
Columbia Station, OH
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
