September weather forecastMount Blanco, OH
September
Weather in September
The first month of the autumn, September, is still a warm month in Mount Blanco, Ohio, with an average temperature ranging between min 56.8°F (13.8°C) and max 77.9°F (25.5°C).Temperature
The average high-temperature slightly decreases in September, shifting from 84.7°F (29.3°C) in August to a still moderately hot 77.9°F (25.5°C). Mount Blanco throughout September, experiences an average nighttime temperature of 56.8°F (13.8°C).Humidity
In Mount Blanco, the average relative humidity in September is 76%.Rainfall
The month with the least rainfall is September, when the rain falls for 7.5 days and typically collects 0.35" (9mm) of precipitation.Snowfall
In Mount Blanco, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 26min.On the first day of September, sunrise is at 6:58 am and sunset at 7:59 pm. On the last day of the month, 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 Mount Blanco, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: A maximum high UV index of 4 in September translates into the following recommendations:
Ensure safety - Recommendations to avert sunburn are presented. Around midday, solar radiation is most harmful; hence, exposure should be limited. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Mount Blanco, OH
- Average high temperature in September: 77.9°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (36.3°F).
- Average low temperature in September: 56.8°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).
Average pressure in September
Mount Blanco, 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 (29.96"Hg).
Average wind speed in September
Mount Blanco, OH
- Average wind speed in September: 5mph
The windiest months (with the highest average wind speed) are January and February (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in September
Mount Blanco, OH
- Average humidity in September: 76%
The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is August (75%).
Average rainfall in September
Mount Blanco, OH
- Average rainfall in September: 0.35"
The wettest month (with the highest rainfall) is May (1.02").
The driest month (with the least rainfall) is September (0.35").
Average rainfall days in September
Mount Blanco, OH
- Average rainfall days in September: 7.5 days
The month with the highest number of rainy days is May (11.9 days).
The month with the least rainy days is November (5.6 days).
Average snowfall in September
Mount Blanco, OH
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.67").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Mount Blanco, OH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Mount Blanco, 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 18min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in September
Mount Blanco, OH
- Average sunshine days in September: 20 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is May (15.5 days).
Average UV index in September
Mount Blanco, OH
- Average UV index in September: 4
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Mount Blanco, OH
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Mount Blanco, 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).
