September weather forecastSuffield, OH
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Suffield, Ohio, with an average temperature ranging between max 74.1°F (23.4°C) and min 55°F (12.8°C).Temperature
Suffield's September weather shows a modest shift in high-temperatures, falling from August's moderately hot 80.8°F (27.1°C) to a still warm 74.1°F (23.4°C). In the month of September, the average low-temperature usually rests at a fresh 55°F (12.8°C).Humidity
The average relative humidity in September is 78%.Rainfall
The month with the least rainfall is September, when the rain falls for 15.5 days and typically collects 2.01" (51mm) of precipitation.Snowfall
June through September are months without snowfall in Suffield.Daylight
In September, the average length of the day is 12h and 28min.On the first day of September, sunrise is at 6:52 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 7:08 pm EDT.
Sunshine
In September, the average sunshine is 8.2h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: In September, the maximum UV index of 4 suggests this advice:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Suffield, OH
- Average high temperature in September: 74.1°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in September: 55°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in September
Suffield, 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 (29.94"Hg).
Average wind speed in September
Suffield, OH
- Average wind speed in September: 5.9mph
The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest month (with the lowest average wind speed) is July (5.3mph).
Average humidity in September
Suffield, OH
- Average humidity in September: 78%
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are July and August (76%).
Average rainfall in September
Suffield, OH
- Average rainfall in September: 2.01"
The wettest month (with the highest rainfall) is June (3.39").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days in September
Suffield, OH
- Average rainfall days in September: 15.5 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is January (8.6 days).
Average snowfall in September
Suffield, OH
- Average snowfall in September: 0"
The month with the highest snowfall is January (6.85").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Suffield, OH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (18.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Suffield, 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 12min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in September
Suffield, OH
- Average sunshine days in September: 12.4 days
The month with the most sunshine days is November (13.1 days).
The month with the least sunshine days is February (7.6 days).
Average UV index in September
Suffield, 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
Suffield, OH
- Average cloud cover in September: 39
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Suffield, OH
- Average visibility in September: 5mi
The months with the highest visibility are April, June, July and August (6mi).
The months with the lowest visibility are January and February (4mi).
