September weather forecastSpringboro, PA
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Springboro, Pennsylvania, with an average temperature varying between 70°F (21.1°C) and 58.1°F (14.5°C).Temperature
The beginning of September subtly marks a decrease in the average high-temperature, transitioning from a warm 75.6°F (24.2°C) in August to an agreeable 70°F (21.1°C). Springboro records an average temperature drop to a refreshing 58.1°F (14.5°C) in September.Humidity
In September, the average relative humidity is 79%.Rainfall
In Springboro, in September, during 15.4 rainfall days, 2.2" (56mm) of precipitation is typically accumulated. In Springboro, during the entire year, the rain falls for 171.2 days and collects up to 29.84" (758mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 6:48 am and sunset at 7:54 pm. On the last day of September, sunrise is at 7:18 am and sunset at 7:04 pm EDT.
Sunshine
The average sunshine in September is 8.7h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: The daily high UV index of 4 during September translates into the following recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. 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
Springboro, PA
- Average high temperature in September: 70°F
The warmest month (with the highest average high temperature) is July (76.5°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in September: 58.1°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in September
Springboro, PA
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Springboro, PA
- Average wind speed in September: 8.6mph
The windiest month (with the highest average wind speed) is January (11.7mph).
The calmest month (with the lowest average wind speed) is July (7mph).
Average humidity in September
Springboro, PA
- Average humidity in September: 79%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is August (78%).
Average rainfall in September
Springboro, PA
- Average rainfall in September: 2.2"
The wettest month (with the highest rainfall) is June (3.43").
The driest month (with the least rainfall) is November (1.97").
Average rainfall days in September
Springboro, PA
- Average rainfall days in September: 15.4 days
The month with the highest number of rainy days is October (18.6 days).
The month with the least rainy days is January (8.1 days).
Average snowfall in September
Springboro, PA
- Average snowfall in September: 0"
The month with the highest snowfall is January (5.47").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Springboro, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (18 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Springboro, PA
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 8h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).
Average sunshine days in September
Springboro, PA
- Average sunshine days in September: 11.8 days
The month with the most sunshine days is May (12 days).
The month with the least sunshine days is January (6 days).
Average UV index in September
Springboro, PA
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Springboro, PA
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 77).
The months with the least cloud cover are July and August (Cloud cover 29).
Average visibility in September
Springboro, PA
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
