September weather forecastBlair, NE
September
Weather in September
September is marked by a more significant drop in temperatures in Blair, signifying the advent of fall. The amount of daylight diminishes, and so does the heat, making the weather more agreeable. In stark contrast with previous months, September witnesses an ample number of clear and sunny days, making it an optimal time to visit. As the leaves turn golden yellow and orange, Blair's picturesque landscapes start undergoing majestic transformations. It is a great month for recreational activities amid nature's color palette.Temperature
As September begins, there is a minor decrease in the average high-temperature, softly falling from a warm 82.9°F (28.3°C) in August to a still moderately hot 76.8°F (24.9°C). Blair witnesses a consistent average low-temperature of 56.5°F (13.6°C) throughout September.Humidity
In Blair, the average relative humidity in September is 71%.Rainfall
In Blair, in September, it is raining for 11 days, with typically 1.77" (45mm) of accumulated precipitation. In Blair, during the entire year, the rain falls for 115.5 days and collects up to 19.61" (498mm) of precipitation.Snowfall
In Blair, snow does not fall in May through September.Daylight
In Blair, Nebraska, the average length of the day in September is 12h and 28min.On the first day of September in Blair, sunrise is at 6:51 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 7:07 pm CDT.
Sunshine
The average sunshine in September is 8.9h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, the UV index of 4 transforms into the following advice:
Guard yourself - Avoiding sunburn is suggested. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Blair, NE
- Average high temperature in September: 76.8°F
The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in September: 56.5°F
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (16°F).
Average pressure in September
Blair, 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
Blair, NE
- Average wind speed in September: 8.5mph
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
Blair, NE
- Average humidity in September: 71%
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is October (66%).
Average rainfall in September
Blair, NE
- Average rainfall in September: 1.77"
The wettest month (with the highest rainfall) is June (3.11").
The driest month (with the least rainfall) is January (0.51").
Average rainfall days in September
Blair, NE
- Average rainfall days in September: 11 days
The month with the highest number of rainy days is June (15.8 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in September
Blair, NE
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.52").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Blair, NE
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Blair, NE
- 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 12min).
- Average sunshine in September: 8h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in September
Blair, NE
- Average sunshine days in September: 16.9 days
The month with the most sunshine days is November (21.6 days).
The month with the least sunshine days is June (11.8 days).
Average UV index in September
Blair, NE
- Average UV index in September: 4
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
Blair, NE
- Average cloud cover in September: 29
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in September
Blair, 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).
