September weather forecastRichfield, OH
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Richfield, Ohio, with temperature in the range of an average low of 56.5°F (13.6°C) and an average high of 73.8°F (23.2°C).Temperature
September is marked by a subtle drop in average high-temperatures, transitioning from 80.2°F (26.8°C) in August to a still moderately hot 73.8°F (23.2°C). Richfield experiences a steady low-temperature of 56.5°F (13.6°C) throughout September.Humidity
The average relative humidity in September is 77%.Rainfall
September is the month with the least rainfall. Rain falls for 15.1 days and accumulates 1.89" (48mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 28min.On the first day of September, sunrise is at 6:53 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 7:09 pm EDT.
Sunshine
In Richfield, the average sunshine in September is 8.3h.UV index
The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In September, a daily UV index of 4 turns into the following recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Richfield, OH
- Average high temperature in September: 73.8°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in September: 56.5°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in September
Richfield, OH
- Average pressure in September: 30.04"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Richfield, OH
- Average wind speed in September: 6.3mph
The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest month (with the lowest average wind speed) is July (5.5mph).
Average humidity in September
Richfield, OH
- Average humidity in September: 77%
The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is July (75%).
Average rainfall in September
Richfield, OH
- Average rainfall in September: 1.89"
The wettest month (with the highest rainfall) is June (3.31").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in September
Richfield, OH
- Average rainfall days in September: 15.1 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is January (9.7 days).
Average snowfall in September
Richfield, OH
- Average snowfall in September: 0"
The month with the highest snowfall is January (5.59").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Richfield, OH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (17.2 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
Richfield, 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 18min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in September
Richfield, OH
- Average sunshine days in September: 12.8 days
The month with the most sunshine days is October (13.3 days).
The month with the least sunshine days is January (7.8 days).
Average UV index in September
Richfield, OH
- Average UV index in September: 4
The months with the highest UV index are July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Richfield, OH
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
Richfield, 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).
