September weather forecastSpringboro, OH
September
Weather in September
September, the first month of the autumn in Springboro, is still a warm month, with an average temperature ranging between max 75.6°F (24.2°C) and min 57.6°F (14.2°C).Temperature
In Springboro, entering September brings a subtle temperature decrement, reducing from August's 81.1°F (27.3°C) to a still moderately hot 75.6°F (24.2°C). During September, Springboro sees a mean low-temperature of 57.6°F (14.2°C).Humidity
In Springboro, Ohio, the average relative humidity in September is 77%.Rainfall
In Springboro, in September, during 11.5 rainfall days, 1.22" (31mm) of precipitation is typically accumulated. Throughout the year, there are 139.3 rainfall days, and 19.92" (506mm) of precipitation is accumulated.Snowfall
In Springboro, snow does not fall in May through September.Daylight
In Springboro, the average length of the day in September is 12h and 26min.On the first day of September, sunrise is at 7:05 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 7:20 pm EDT.
Sunshine
The average sunshine in September is 8.2h.UV index
The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: An average maximum UV index of 5 in September leads to these recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Springboro, OH
- Average high temperature in September: 75.6°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 (34°F).
- Average low temperature in September: 57.6°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).
Average pressure in September
Springboro, OH
- Average pressure in September: 30.03"Hg
The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
Springboro, OH
- Average wind speed in September: 6.2mph
The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in September
Springboro, OH
- Average humidity in September: 77%
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is October (74%).
Average rainfall in September
Springboro, OH
- Average rainfall in September: 1.22"
The wettest month (with the highest rainfall) is May (2.64").
The driest month (with the least rainfall) is October (1.18").
Average rainfall days in September
Springboro, OH
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (7.4 days).
Average snowfall in September
Springboro, OH
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.77").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Springboro, OH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Springboro, 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 12min
The months with the most sunshine are June and August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in September
Springboro, OH
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is May (12 days).
Average UV index in September
Springboro, OH
- Average UV index in September: 5
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
Springboro, OH
- Average cloud cover in September: 33
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in September
Springboro, OH
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
