September weather forecastDelhi Hills, OH
September
Weather in September
September, the first month of the autumn in Delhi Hills, is also a moderately hot month, with an average temperature varying between 59°F (15°C) and 77.9°F (25.5°C).Temperature
September's arrival subtly correlates with a reduction in the average high-temperature, down from 83.8°F (28.8°C) in August to a still warm 77.9°F (25.5°C). An average low-temperature of 59°F (15°C) marks the month of September.Humidity
August through October, with an average relative humidity of 74%, are the least humid months.Rainfall
September is the month with the least rainfall. Rain falls for 12.4 days and accumulates 1.34" (34mm) of precipitation.Snowfall
In Delhi Hills, snow does not fall in May through September.Daylight
The average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 7:07 am and sunset at 8:08 pm. On the last day of September, sunrise is at 7:34 am and sunset at 7:22 pm EDT.
Sunshine
In Delhi Hills, the average sunshine in September is 8.3h.UV index
The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum daily UV index of 5 during September morphs into the following directions:
Exercise prevention - Precautions against solar damage are endorsed. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Delhi Hills, OH
- Average high temperature in September: 77.9°F
The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (36°F).
- Average low temperature in September: 59°F
The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).
Average pressure in September
Delhi Hills, 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
Delhi Hills, OH
- Average wind speed in September: 5.5mph
The windiest month (with the highest average wind speed) is January (8.7mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).
Average humidity in September
Delhi Hills, OH
- Average humidity in September: 74%
The month with the highest relative humidity is December (81%).
The months with the lowest relative humidity are August, September and October (74%).
Average rainfall in September
Delhi Hills, OH
- Average rainfall in September: 1.34"
The wettest month (with the highest rainfall) is May (2.72").
The driest month (with the least rainfall) is September (1.34").
Average rainfall days in September
Delhi Hills, OH
- Average rainfall days in September: 12.4 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is February (7.9 days).
Average snowfall in September
Delhi Hills, OH
- Average snowfall in September: 0"
The month with the highest snowfall is March (1.93").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Delhi Hills, 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
Delhi Hills, 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 July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in September
Delhi Hills, OH
- Average sunshine days in September: 15.7 days
The month with the most sunshine days is November (19.7 days).
The months with the least sunshine days are May and June (12 days).
Average UV index in September
Delhi Hills, OH
- Average UV index in September: 5
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
Delhi Hills, OH
- Average cloud cover in September: 33
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in September
Delhi Hills, 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).





