September weather forecastCarleton, NE
September
Weather in September
The first month of the autumn, September, is still a warm month in Carleton, Nebraska, with an average temperature fluctuating between 58.3°F (14.6°C) and 78.1°F (25.6°C).Temperature
Carleton in September undergoes a slight reduction in the average high-temperature, shifting from August's 85.6°F (29.8°C) to a still moderately hot 78.1°F (25.6°C). September nights experience a consistent temperature drop to a moderate 58.3°F (14.6°C).Humidity
In September, the average relative humidity is 67%.Rainfall
In Carleton, during September, the rain falls for 11.7 days and regularly aggregates up to 1.85" (47mm) of precipitation. Throughout the year, there are 116.1 rainfall days, and 21.02" (534mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In Carleton, the average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 6:58 am and sunset at 8:01 pm. On the last day of September, sunrise is at 7:26 am and sunset at 7:14 pm CDT.
Sunshine
In September, the average sunshine is 8.7h.UV index
The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 5 during September translates into the following directions:
Exercise caution. Those with pale skin may experience burns in less than half an hour. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Carleton, NE
- Average high temperature in September: 78.1°F
The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in September: 58.3°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure in September
Carleton, NE
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in September
Carleton, NE
- Average wind speed in September: 9.5mph
The windiest month (with the highest average wind speed) is April (11.6mph).
The calmest month (with the lowest average wind speed) is July (8.2mph).
Average humidity in September
Carleton, NE
- Average humidity in September: 67%
The month with the highest relative humidity is January (76%).
The month with the lowest relative humidity is October (62%).
Average rainfall in September
Carleton, NE
- Average rainfall in September: 1.85"
The wettest month (with the highest rainfall) is May (3.43").
The driest month (with the least rainfall) is February (0.67").
Average rainfall days in September
Carleton, NE
- Average rainfall days in September: 11.7 days
The month with the highest number of rainy days is May (15.9 days).
The months with the least rainy days are January and February (3.1 days).
Average snowfall in September
Carleton, NE
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.83").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Carleton, NE
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (6.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Carleton, 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 24min).
- Average sunshine in September: 8h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).
Average sunshine days in September
Carleton, NE
- Average sunshine days in September: 15.2 days
The month with the most sunshine days is November (23.2 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in September
Carleton, 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
Carleton, NE
- Average cloud cover in September: 27
The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is July (Cloud cover 24).
Average visibility in September
Carleton, 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).





