September weather forecastNiles, OH
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Niles, Ohio, with an average temperature fluctuating between 54.5°F (12.5°C) and 73.6°F (23.1°C).Temperature
September ushers in a minute temperature change, with average high-temperatures reducing from August's moderately hot 79.9°F (26.6°C) to a still warm 73.6°F (23.1°C). Niles, during September nights, observes an average temperature of 54.5°F (12.5°C).Humidity
The average relative humidity in September is 80%.Rainfall
In September, the rain falls for 16 days. Throughout September, 2.2" (56mm) of precipitation is accumulated. In Niles, during the entire year, the rain falls for 182 days and collects up to 33.82" (859mm) of precipitation.Snowfall
In Niles, snow does not fall in June through September.Daylight
In Niles, the average length of the day in September is 12h and 28min.On the first day of September, sunrise is at 6:50 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 7:06 pm EDT.
Sunshine
The average sunshine in September is 8.3h.UV index
In September, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, the maximum UV index of 3 suggests this advice:
Make use of precautions - It is urged to ward off sun damage. The solar radiation around mid-day is intense; avoid the Sun and stay safe. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Niles, OH
- Average high temperature in September: 73.6°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (31.3°F).
- Average low temperature in September: 54.5°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in September
Niles, OH
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
Niles, OH
- Average wind speed in September: 5.5mph
The windiest month (with the highest average wind speed) is January (8.2mph).
The calmest month (with the lowest average wind speed) is July (5mph).
Average humidity in September
Niles, OH
- Average humidity in September: 80%
The months with the highest relative humidity are January and February (87%).
The months with the lowest relative humidity are May, July and August (77%).
Average rainfall in September
Niles, OH
- Average rainfall in September: 2.2"
The wettest month (with the highest rainfall) is June (3.62").
The driest month (with the least rainfall) is November (2.17").
Average rainfall days in September
Niles, OH
- Average rainfall days in September: 16 days
The month with the highest number of rainy days is May (19.7 days).
The month with the least rainy days is January (8.8 days).
Average snowfall in September
Niles, OH
- Average snowfall in September: 0"
The month with the highest snowfall is January (8.07").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Niles, OH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (19.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Niles, OH
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 8h and 18min
The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).
Average sunshine days in September
Niles, OH
- Average sunshine days in September: 11.8 days
The month with the most sunshine days is November (12.5 days).
The month with the least sunshine days is February (6.5 days).
Average UV index in September
Niles, OH
- Average UV index in September: 3
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Niles, OH
- Average cloud cover in September: 39
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Niles, OH
- Average visibility in September: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January and February (4mi).
