September weather forecastParma Heights, OH
September
Weather in September
September, the first month of the autumn in Parma Heights, is still a pleasant month, with an average temperature fluctuating between 59°F (15°C) and 72.3°F (22.4°C).Temperature
The average high-temperature slightly decreases in September, shifting from a warm 78.4°F (25.8°C) in August to a pleasant 72.3°F (22.4°C). Parma Heights observes an average nighttime low-temperature of 59°F (15°C) during the month of September.Humidity
In September, the average relative humidity is 76%.Rainfall
In September, the rain falls for 9.3 days. Throughout September, 0.51" (13mm) of precipitation is accumulated. Throughout the year, there are 109.1 rainfall days, and 8.43" (214mm) of precipitation is accumulated.Snowfall
In Parma Heights, snow does not fall in May through October.Daylight
In Parma Heights, Ohio, the average length of the day in September is 12h and 28min.On the first day of September in Parma Heights, sunrise is at 6:54 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 7:10 pm EDT.
Sunshine
The average sunshine in September is 8.4h.UV index
In Parma Heights, 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 rays for average individuals.Note: A daily high UV index of 4 in September leads to these guidelines:
Take precautions - Protection against sunburn is recommended. When the Sun is at its strongest around midday, find shade and limit exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Parma Heights, OH
- Average high temperature in September: 72.3°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (31.3°F).
- Average low temperature in September: 59°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).
Average pressure in September
Parma 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
Parma Heights, OH
- Average wind speed in September: 7.5mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is July (6.3mph).
Average humidity in September
Parma Heights, OH
- Average humidity in September: 76%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are July and August (75%).
Average rainfall in September
Parma Heights, OH
- Average rainfall in September: 0.51"
The wettest month (with the highest rainfall) is May (1.06").
The driest months (with the least rainfall) are February and November (0.47").
Average rainfall days in September
Parma Heights, OH
- Average rainfall days in September: 9.3 days
The month with the highest number of rainy days is May (14.2 days).
The month with the least rainy days is February (4.4 days).
Average snowfall in September
Parma Heights, OH
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.87").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Parma Heights, OH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (8.8 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
Parma 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 24min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).
Average sunshine days in September
Parma Heights, OH
- Average sunshine days in September: 17.9 days
The month with the most sunshine days is December (21.2 days).
The month with the least sunshine days is May (13.3 days).
Average UV index in September
Parma Heights, 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
Parma Heights, OH
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in September
Parma Heights, 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).
