September weather forecastCleveland Heights, OH
September
Weather in September
After a hot summer, September in Cleveland Heights brings a notable cooling trend as autumn takes root. An average high temperature of 73°F (22.8°C) and a low of 58.3°F (14.6°C) is evident. The changing seasons color the cityscape, as trees begin to exhibit fall hues. As September progresses, the frequency of chilly nights increases. With its mild and pleasant weather, September ushers in autumn, paving the way for the dropping temperatures characteristic of the coming months.Temperature
The transition into September subtly indicates a reduction in the average high-temperature, down to an agreeable 73°F (22.8°C) from August's moderately hot 79.2°F (26.2°C). Cleveland Heights's average low-temperature is measured at a moderate 58.3°F (14.6°C) during September.Humidity
In September, the average relative humidity is 76%.Rainfall
In Cleveland Heights, in September, during 14.3 rainfall days, 2.01" (51mm) of precipitation is typically accumulated. Throughout the year, in Cleveland Heights, there are 158.6 rainfall days, and 28.5" (724mm) of precipitation is accumulated.Snowfall
June through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 28min.On the first day of the month, sunrise is at 6:53 am and sunset at 7:58 pm. On the last day of September, sunrise is at 7:22 am and sunset at 7:09 pm EDT.
Sunshine
In Cleveland Heights, the average sunshine in September is 8.2h.UV index
In September, the average daily maximum UV index 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 ordinary individuals.Note: The daily high UV index of 4 during September translates into the following recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Cleveland Heights, OH
- Average high temperature in September: 73°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (31.1°F).
- Average low temperature in September: 58.3°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 (21°F).
Average pressure in September
Cleveland Heights, 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
Cleveland Heights, OH
- Average wind speed in September: 6.9mph
The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is July (6mph).
Average humidity in September
Cleveland Heights, OH
- Average humidity in September: 76%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are July and August (74%).
Average rainfall in September
Cleveland Heights, OH
- Average rainfall in September: 2.01"
The wettest month (with the highest rainfall) is June (3.07").
The driest month (with the least rainfall) is February (1.93").
Average rainfall days in September
Cleveland Heights, OH
- Average rainfall days in September: 14.3 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (7.1 days).
Average snowfall in September
Cleveland Heights, OH
- Average snowfall in September: 0"
The month with the highest snowfall is January (6.46").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in September
Cleveland Heights, OH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (17.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Cleveland Heights, 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 12min).
- Average sunshine in September: 8h and 12min
The months with the most sunshine are July and August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).
Average sunshine days in September
Cleveland Heights, OH
- Average sunshine days in September: 13.1 days
The month with the most sunshine days is July (13.5 days).
The month with the least sunshine days is January (7.8 days).
Average UV index in September
Cleveland Heights, 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 February and December (UV index 1).
Average cloud cover in September
Cleveland Heights, OH
- Average cloud cover in September: 37
The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
Cleveland Heights, OH
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and March (5mi).





