September weather forecastCarbondale, OH
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Carbondale, Ohio, with temperature in the range of an average low of 56.3°F (13.5°C) and an average high of 77.9°F (25.5°C).Temperature
During the shift to September, Carbondale records a mild decrease in average high-temperature, moving from 84°F (28.9°C) in August to a still moderately hot 77.9°F (25.5°C). Despite a significant deviation from daily highs, September sees an average nighttime temperature of 56.3°F (13.5°C).Humidity
The months with the lowest humidity are April, June, August, September and November, with an average relative humidity of 76%.Rainfall
The month with the least rainfall is September, when the rain falls for 10.9 days and typically collects 1.02" (26mm) of precipitation.Snowfall
June through October are months without snowfall.Daylight
In Carbondale, the average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 6:58 am and sunset at 7:59 pm. On the last day of September, sunrise is at 7:24 am and sunset at 7:12 pm EDT.
Sunshine
In September, the average sunshine is 8.3h.UV index
In Carbondale, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In September, a daily UV index of 4 turns into the following recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. Around midday, solar radiation is most harmful; hence, exposure should be limited. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Carbondale, OH
- Average high temperature in September: 77.9°F
The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is January (35.4°F).
- Average low temperature in September: 56.3°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in September
Carbondale, OH
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in September
Carbondale, OH
- Average wind speed in September: 5.1mph
The windiest months (with the highest average wind speed) are January and February (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in September
Carbondale, OH
- Average humidity in September: 76%
The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are April, June, August, September and November (76%).
Average rainfall in September
Carbondale, OH
- Average rainfall in September: 1.02"
The wettest month (with the highest rainfall) is May (2.44").
The driest month (with the least rainfall) is September (1.02").
Average rainfall days in September
Carbondale, OH
- Average rainfall days in September: 10.9 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is November (7.6 days).
Average snowfall in September
Carbondale, OH
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.5").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in September
Carbondale, OH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.2 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
Carbondale, OH
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 8h and 18min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in September
Carbondale, OH
- Average sunshine days in September: 16.9 days
The month with the most sunshine days is November (20.8 days).
The month with the least sunshine days is May (11 days).
Average UV index in September
Carbondale, OH
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Carbondale, OH
- Average cloud cover in September: 37
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Carbondale, OH
- Average visibility in September: 5mi
The months with the highest visibility are March, April, October and November (6mi).
The months with the lowest visibility are January, February, May, June, July, August, September and December (5mi).
