September weather forecastDay Heights, OH
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Day Heights, Ohio, with an average temperature varying between 58.1°F (14.5°C) and 77°F (25°C).Temperature
With the arrival of September, Day Heights experiences a modest decline in average high-temperatures, transitioning from a moderately hot 82.9°F (28.3°C) in August to a still warm 77°F (25°C). Day Heights, during September nights, observes an average temperature of 58.1°F (14.5°C).Humidity
September and October, with an average relative humidity of 75%, are the least humid months.Rainfall
The month with the least rainfall is September, when the rain falls for 12.3 days and typically collects 1.57" (40mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 7:06 am and sunset at 8:07 pm. On the last day of September, sunrise is at 7:32 am and sunset at 7:20 pm EDT.
Sunshine
The average sunshine in September is 8.3h.UV index
In Day Heights, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily high UV index of 4 during September translates into the following recommendations:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Day Heights, OH
- Average high temperature in September: 77°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (35.4°F).
- Average low temperature in September: 58.1°F
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in September
Day Heights, 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
Day Heights, OH
- Average wind speed in September: 5.8mph
The windiest month (with the highest average wind speed) is January (9mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in September
Day Heights, OH
- Average humidity in September: 75%
The months with the highest relative humidity are January, February and December (81%).
The months with the lowest relative humidity are September and October (75%).
Average rainfall in September
Day Heights, OH
- Average rainfall in September: 1.57"
The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is September (1.57").
Average rainfall days in September
Day Heights, OH
- Average rainfall days in September: 12.3 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is February (7.9 days).
Average snowfall in September
Day Heights, OH
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.46").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Day Heights, OH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.3 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
Day Heights, 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 months with the most sunshine are June, July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in September
Day Heights, OH
- Average sunshine days in September: 16.1 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is May (10.6 days).
Average UV index in September
Day Heights, 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
Day Heights, OH
- Average cloud cover in September: 32
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in September
Day Heights, 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).
