September weather forecastDouglas, NE
September
Weather in September
The first month of the autumn, September, is still a warm month in Douglas, Nebraska, with an average temperature varying between 77.4°F (25.2°C) and 57.7°F (14.3°C).Temperature
Douglas in September undergoes a slight reduction in the average high-temperature, shifting from August's 83.7°F (28.7°C) to a still warm 77.4°F (25.2°C). Douglas's nights in September experience an average temperature drop to a moderate 57.7°F (14.3°C).Humidity
In Douglas, the average relative humidity in September is 72%.Rainfall
In Douglas, in September, during 12.2 rainfall days, 2.2" (56mm) of precipitation is typically accumulated. In Douglas, during the entire year, the rain falls for 123.2 days and collects up to 24.29" (617mm) of precipitation.Snowfall
In Douglas, Nebraska, snow does not fall in June through September.Daylight
In September, the average length of the day in Douglas is 12h and 27min.On the first day of September in Douglas, Nebraska, sunrise is at 6:53 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 7:08 pm CDT.
Sunshine
In September, the average sunshine is 9h.UV index
In September, the average daily maximum UV index in Douglas is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: A typical high UV index of 5 in September suggests the following recommendations:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Douglas, NE
- Average high temperature in September: 77.4°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in September: 57.7°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in September
Douglas, NE
- Average pressure in September: 29.99"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in September
Douglas, NE
- Average wind speed in September: 8.4mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).
Average humidity in September
Douglas, NE
- Average humidity in September: 72%
The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is October (66%).
Average rainfall in September
Douglas, NE
- Average rainfall in September: 2.2"
The wettest month (with the highest rainfall) is June (3.98").
The driest months (with the least rainfall) are January and February (0.63").
Average rainfall days in September
Douglas, NE
- Average rainfall days in September: 12.2 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is February (3.4 days).
Average snowfall in September
Douglas, NE
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.24").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Douglas, NE
- 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
Douglas, NE
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 9h and 0min
The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).
Average sunshine days in September
Douglas, NE
- Average sunshine days in September: 16.3 days
The month with the most sunshine days is November (22.1 days).
The month with the least sunshine days is June (11.7 days).
Average UV index in September
Douglas, NE
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Douglas, NE
- Average cloud cover in September: 27
The month with the most cloud cover is January (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in September
Douglas, 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).





