September weather forecastYoungsville, OH
September
Weather in September
The first month of the autumn, September, is still a warm month in Youngsville, Ohio, with an average temperature ranging between max 77.2°F (25.1°C) and min 56.8°F (13.8°C).Temperature
In the transition to September, Youngsville observes a minor drop in the average high-temperature, shifting from a moderately hot 82.9°F (28.3°C) in August to a still warm 77.2°F (25.1°C). Throughout the month of September, the average temperature in Youngsville dips to a refreshing 56.8°F (13.8°C) at night.Humidity
April, September through November, with an average relative humidity of 76%, are the least humid months.Rainfall
September is the month with the least rainfall. Rain falls for 13.7 days and accumulates 1.69" (43mm) of precipitation.Snowfall
In Youngsville, snow does not fall in May through September.Daylight
In Youngsville, the average length of the day in September is 12h and 26min.On the first day of September, sunrise is at 7:03 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 7:18 pm EDT.
Sunshine
The average sunshine in September is 8.2h.UV index
The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum high UV index of 4 in September translates into the following recommendations:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Youngsville, OH
- Average high temperature in September: 77.2°F
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (36.1°F).
- Average low temperature in September: 56.8°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (23.7°F).
Average pressure in September
Youngsville, 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
Youngsville, OH
- Average wind speed in September: 5.5mph
The windiest months (with the highest average wind speed) are January and February (8.6mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in September
Youngsville, OH
- Average humidity in September: 76%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are April, September, October and November (76%).
Average rainfall in September
Youngsville, OH
- Average rainfall in September: 1.69"
The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is September (1.69").
Average rainfall days in September
Youngsville, OH
- Average rainfall days in September: 13.7 days
The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is November (10.4 days).
Average snowfall in September
Youngsville, OH
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.87").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Youngsville, OH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11 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
Youngsville, 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 30min).
- Average sunshine in September: 8h and 12min
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 48min).
Average sunshine days in September
Youngsville, OH
- Average sunshine days in September: 14.7 days
The month with the most sunshine days is November (18 days).
The month with the least sunshine days is June (9.9 days).
Average UV index in September
Youngsville, 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
Youngsville, OH
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Youngsville, OH
- Average visibility in September: 5mi
The months with the highest visibility are March, April, June, October, November and December (6mi).
The months with the lowest visibility are January, February, May, July, August and September (5mi).
