September weather forecastChatfield, OH
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Chatfield, Ohio, with an average temperature varying between 73.4°F (23°C) and 55.4°F (13°C).Temperature
Chatfield records a slight change with September's average high-temperatures adjusting to a still warm 73.4°F (23°C) from August's 78.4°F (25.8°C). September in Chatfield sees the temperature falling to a mean low of 55.4°F (13°C).Humidity
In September, the average relative humidity is 80%.Rainfall
In Chatfield, during September, the rain falls for 11.1 days and regularly aggregates up to 1.02" (26mm) of precipitation. In Chatfield, during the entire year, the rain falls for 135.4 days and collects up to 14.96" (380mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in September is 12h and 27min.On the first day of the month, sunrise is at 6:59 am and sunset at 8:03 pm. On the last day of September, sunrise is at 7:28 am and sunset at 7:14 pm EDT.
Sunshine
In September, the average sunshine in Chatfield is 7.9h.UV index
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index, 4 during September, leads to the following recommendations:
Make use of precautions - It is urged to ward off sun damage. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Chatfield, OH
- Average high temperature in September: 73.4°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 (30.9°F).
- Average low temperature in September: 55.4°F
The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).
Average pressure in September
Chatfield, 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
Chatfield, OH
- Average wind speed in September: 6.5mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).
Average humidity in September
Chatfield, OH
- Average humidity in September: 80%
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April, October and November (76%).
Average rainfall in September
Chatfield, OH
- Average rainfall in September: 1.02"
The wettest month (with the highest rainfall) is May (1.89").
The driest months (with the least rainfall) are February and December (0.79").
Average rainfall days in September
Chatfield, OH
- Average rainfall days in September: 11.1 days
The month with the highest number of rainy days is May (16.9 days).
The months with the least rainy days are January and February (6.3 days).
Average snowfall in September
Chatfield, OH
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.57").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Chatfield, OH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (8.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Chatfield, 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: 7h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in September
Chatfield, OH
- Average sunshine days in September: 16.4 days
The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is July (10.9 days).
Average UV index in September
Chatfield, OH
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Chatfield, OH
- Average cloud cover in September: 37
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Chatfield, OH
- Average visibility in September: 5mi
The months with the highest visibility are February, March, April, May, June, July, October, November and December (6mi).
The months with the lowest visibility are January, August and September (5mi).
