September weather forecastImperial, NE
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Imperial, Nebraska, with temperature in the range of an average high of 80.1°F (26.7°C) and an average low of 57.4°F (14.1°C).Temperature
The onset of September results in a small decrease in the average high-temperature, moderately receding from a hot 86.9°F (30.5°C) in August to a warm 80.1°F (26.7°C). In Imperial, the September nights descend to a significantly cooler average of 57.4°F (14.1°C) compared to daytime highs.Humidity
September is the least humid month, with an average relative humidity of 52%.Rainfall
In Imperial, Nebraska, in September, it is raining for 6.3 days, with typically 0.35" (9mm) of accumulated precipitation. In Imperial, during the entire year, the rain falls for 77.8 days and collects up to 6.93" (176mm) of precipitation.Snowfall
In Imperial, Nebraska, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 27min.On the first day of the month, sunrise is at 6:14 am and sunset at 7:18 pm. On the last day of September, in Imperial, sunrise is at 6:42 am and sunset at 6:29 pm MDT.
Sunshine
In Imperial, the average sunshine in September is 9.7h.UV index
In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The daily high UV index of 5 during September translates into the following recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Imperial, NE
- Average high temperature in September: 80.1°F
The warmest month (with the highest average high temperature) is July (89.8°F).
The month with the lowest average high temperature is December (39°F).
- Average low temperature in September: 57.4°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in September
Imperial, 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 (29.82"Hg).
Average wind speed in September
Imperial, NE
- Average wind speed in September: 10.5mph
The windiest month (with the highest average wind speed) is April (12.5mph).
The calmest month (with the lowest average wind speed) is August (9.6mph).
Average humidity in September
Imperial, NE
- Average humidity in September: 52%
The month with the highest relative humidity is January (67%).
The month with the lowest relative humidity is September (52%).
Average rainfall in September
Imperial, NE
- Average rainfall in September: 0.35"
The wettest month (with the highest rainfall) is July (1.22").
The driest month (with the least rainfall) is December (0.16").
Average rainfall days in September
Imperial, NE
- Average rainfall days in September: 6.3 days
The month with the highest number of rainy days is May (12.3 days).
The month with the least rainy days is November (1.9 days).
Average snowfall in September
Imperial, NE
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.98").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Imperial, NE
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Imperial, 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 42min
The months with the most sunshine are July and August (Average sunshine: 11h and 24min).
The month with the least sunshine is February (Average sunshine: 6h and 0min).
Average sunshine days in September
Imperial, NE
- Average sunshine days in September: 20.9 days
The month with the most sunshine days is November (25.6 days).
The month with the least sunshine days is May (15.6 days).
Average UV index in September
Imperial, NE
- Average UV index in September: 5
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Imperial, NE
- Average cloud cover in September: 20
The month with the most cloud cover is February (Cloud cover 36).
The months with the least cloud cover are August and September (Cloud cover 20).
Average visibility in September
Imperial, 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).





