September weather forecastChagrin Falls Park, OH
September
Weather in September
September, the first month of the autumn in Chagrin Falls Park, is also an agreeable month, with temperature in the range of an average high of 73°F (22.8°C) and an average low of 56.7°F (13.7°C).Temperature
With the beginning of September, the average high-temperature shows a small decrease, transitioning from a warm 79°F (26.1°C) in August to an agreeable 73°F (22.8°C). In September, the temperature drops to an average of 56.7°F (13.7°C) at night.Humidity
The average relative humidity in September is 78%.Rainfall
September is the month with the least rainfall in Chagrin Falls Park, Ohio. Rain falls for 16.1 days and accumulates 2.13" (54mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 28min.On the first day of September, sunrise is at 6:52 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 7:08 pm EDT.
Sunshine
In September, the average sunshine is 8.2h.UV index
In Chagrin Falls Park, 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 rays for the ordinary person.Note: The maximum UV index, 4 during September, leads to the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Chagrin Falls Park, OH
- Average high temperature in September: 73°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (30.9°F).
- Average low temperature in September: 56.7°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).
Average pressure in September
Chagrin Falls Park, 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
Chagrin Falls Park, OH
- Average wind speed in September: 6.3mph
The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest month (with the lowest average wind speed) is July (5.5mph).
Average humidity in September
Chagrin Falls Park, OH
- Average humidity in September: 78%
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are July and August (76%).
Average rainfall in September
Chagrin Falls Park, OH
- Average rainfall in September: 2.13"
The wettest month (with the highest rainfall) is June (3.35").
The driest month (with the least rainfall) is September (2.13").
Average rainfall days in September
Chagrin Falls Park, OH
- Average rainfall days in September: 16.1 days
The month with the highest number of rainy days is August (17.6 days).
The month with the least rainy days is January (8.4 days).
Average snowfall in September
Chagrin Falls Park, OH
- Average snowfall in September: 0"
The month with the highest snowfall is January (9.02").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Chagrin Falls Park, OH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (20.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Chagrin Falls Park, 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 24min).
Average sunshine days in September
Chagrin Falls Park, OH
- Average sunshine days in September: 11.5 days
The month with the most sunshine days is July (11.8 days).
The month with the least sunshine days is February (7 days).
Average UV index in September
Chagrin Falls Park, OH
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Chagrin Falls Park, OH
- Average cloud cover in September: 37
The month with the most cloud cover is January (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 31).
Average visibility in September
Chagrin Falls Park, OH
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and February (4mi).
