September weather forecastAberdeen, OH
September
Weather in September
September marks the onset of fall in Aberdeen, Ohio. The hot summer days quickly transform into crisp fall ones, displaying a magnificent array of autumn colors. The marked reduction in temperature signals the retreat of summer. September also sees a drop in rainfall, bringing clearer skies and pleasant weather. The ambiance in the city changes as the heat dissipitates, replaced by the serene beauty of fall.Temperature
The onset of September brings a small shift in high-temperatures, falling from a moderately hot 84.2°F (29°C) in August to a still warm 77.9°F (25.5°C). During September, an average low-temperature of 57.7°F (14.3°C) is observed in Aberdeen.Humidity
The months with the lowest humidity in Aberdeen are April, August through November, with an average relative humidity of 76%.Rainfall
The month with the least rainfall is September, when the rain falls for 12.6 days and typically collects 1.65" (42mm) of precipitation.Snowfall
In Aberdeen, snow does not fall in May through September.Daylight
In September, the average length of the day is 12h and 26min.On the first day of September, sunrise is at 7:04 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 7:18 pm EDT.
Sunshine
The average sunshine in September is 8.3h.UV index
The average daily maximum UV index in September in Aberdeen, Ohio, is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 4 in September translates into this advice:
Put precautions into practice - Guidance to elude sunburn is provided. When the Sun is at its strongest around midday, find shade and limit exposure. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Aberdeen, 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 (37.6°F).
- Average low temperature in September: 57.7°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in September
Aberdeen, OH
- Average pressure in September: 30.04"Hg
The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in September
Aberdeen, OH
- Average wind speed in September: 5.6mph
The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in September
Aberdeen, OH
- Average humidity in September: 76%
The months with the highest relative humidity are February and December (81%).
The months with the lowest relative humidity are April, August, September, October and November (76%).
Average rainfall in September
Aberdeen, OH
- Average rainfall in September: 1.65"
The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is September (1.65").
Average rainfall days in September
Aberdeen, OH
- Average rainfall days in September: 12.6 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is November (10.6 days).
Average snowfall in September
Aberdeen, OH
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.28").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Aberdeen, OH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Aberdeen, OH
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- 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: 4h and 0min).
Average sunshine days in September
Aberdeen, OH
- Average sunshine days in September: 15.8 days
The month with the most sunshine days is October (17.7 days).
The month with the least sunshine days is May (10 days).
Average UV index in September
Aberdeen, OH
- Average UV index in September: 4
The months with the highest UV index are May, 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
Aberdeen, OH
- Average cloud cover in September: 33
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in September
Aberdeen, OH
- Average visibility in September: 5mi
The months with the highest visibility are March, April, June, August, October, November and December (6mi).
The months with the lowest visibility are January, February, May, July and September (5mi).





