Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The arrival of September is marked by a minor reduction in average high-temperature, sliding from 80.2°F (26.8°C) in August to a still warm 73.8°F (23.2°C). During September, the nighttime temperature averages to a moderate 56.5°F (13.6°C).Humidity
In Richfield, the average relative humidity in September is 77%.Rainfall
The month with the least rainfall in Richfield is September, when the rain falls for 15.1 days and typically collects 1.89" (48mm) of precipitation.Snowfall
In Richfield, snow does not fall in May through October.Daylight
In September, the average length of the day in Richfield 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, in Richfield, sunrise is at 7:22 am and sunset at 7:09 pm EDT.
Sunshine
In Richfield, Ohio, the average sunshine in September is 8.3h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: A daily high UV index of 4 in September leads to these guidelines:
Prioritize safety - Recommendations to avert sunburn are shared. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Frequently asked questions
What are the temperatures in Richfield in September?
What is the average humidity in September in Richfield?
What is the driest month in Richfield?
How much does it rain in Richfield in September?
When it does not snow in Richfield?
How many hours of daylight does Richfield have in September?
When is the sunrise / sunset in September in Richfield?
How many hours of sunshine does Richfield have in September?
How high is the UV index in September in Richfield?
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 3min
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 2min
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).
Richfield, Ohio, USA
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