September weather forecastClinton, NE
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Clinton, Nebraska, with an average temperature varying between 55.8°F (13.2°C) and 76.1°F (24.5°C).Temperature
September's onset corresponds with a subtle shift in the average high-temperature, slightly moving from 84.7°F (29.3°C) in August to a still warm 76.1°F (24.5°C). The average temperature during September nights dips to a refreshing 55.8°F (13.2°C).Humidity
August and September, with an average relative humidity of 51%, are the least humid months.Rainfall
In Clinton, Nebraska, in September, during 9.5 rainfall days, 1.22" (31mm) of precipitation is typically accumulated. In Clinton, during the entire year, the rain falls for 108 days and collects up to 15.39" (391mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. September is the first month it typically snows in Clinton, Nebraska. Throughout September, in the average 0.2 snowfall days, it receives 0.04" (1mm) of snow. In Clinton, during the entire year, snow falls for 47.3 days and aggregates up to 19.76" (502mm) of snow.Daylight
In Clinton, the average length of the day in September is 12h and 29min.On the first day of the month, sunrise is at 6:15 am and sunset at 7:23 pm. On the last day of September, sunrise is at 6:46 am and sunset at 6:31 pm MDT.
Sunshine
In September, the average sunshine in Clinton is 10.1h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: A daily maximum UV index of 4 in September translates into the following instructions:
Exercise prevention - Warding off sunburn is urged. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Clinton, NE
- Average high temperature in September: 76.1°F
The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is December (32°F).
- Average low temperature in September: 55.8°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in September
Clinton, NE
- Average pressure in September: 29.94"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in September
Clinton, NE
- Average wind speed in September: 11.5mph
The windiest month (with the highest average wind speed) is April (12.9mph).
The calmest month (with the lowest average wind speed) is August (10.4mph).
Average humidity in September
Clinton, NE
- Average humidity in September: 51%
The month with the highest relative humidity is January (79%).
The months with the lowest relative humidity are August and September (51%).
Average rainfall in September
Clinton, NE
- Average rainfall in September: 1.22"
The wettest month (with the highest rainfall) is May (2.4").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days in September
Clinton, NE
- Average rainfall days in September: 9.5 days
The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is December (2.8 days).
Average snowfall in September
Clinton, NE
- Average snowfall in September: 0.04"
The month with the highest snowfall is March (3.58").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Clinton, NE
- Average snowfall days in September: 0.2 days
The month with the highest number of snowfall days is February (10.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Clinton, NE
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 10h and 6min
The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 30min).
Average sunshine days in September
Clinton, NE
- Average sunshine days in September: 18.4 days
The month with the most sunshine days is December (21 days).
The month with the least sunshine days is July (11.8 days).
Average UV index in September
Clinton, NE
- Average UV index in September: 4
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Clinton, NE
- Average cloud cover in September: 19
The month with the most cloud cover is February (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility in September
Clinton, NE
- 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).
