September weather forecastLyons, NE
September
Weather in September
September, the first month of the autumn in Lyons, is also a moderately hot month, with an average temperature varying between 55.8°F (13.2°C) and 76.1°F (24.5°C).Temperature
With the beginning of September, the average high-temperature shows a small decrease, transitioning from a warm 82°F (27.8°C) in August to a still moderately hot 76.1°F (24.5°C). Throughout the month of September, Lyons expects an average low of 55.8°F (13.2°C).Humidity
In Lyons, Nebraska, the average relative humidity in September is 71%.Rainfall
In Lyons, in September, during 12.1 rainfall days, 1.81" (46mm) of precipitation is typically accumulated. Throughout the year, there are 120.1 rainfall days, and 20.67" (525mm) of precipitation is accumulated.Snowfall
In Lyons, Nebraska, snow does not fall in June through September.Daylight
The average length of the day in September in Lyons, Nebraska, is 12h and 28min.On the first day of September in Lyons, sunrise is at 6:52 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 7:08 pm CDT.
Sunshine
The average sunshine in September in Lyons is 8.9h.UV index
The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 5 in September converts into the following recommendations:
Ensure safety - Sun damage prevention is strongly urged. Direct Sun exposure should be minimized especially during midday when radiation is most intense. 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
Lyons, NE
- Average high temperature in September: 76.1°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in September: 55.8°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (15.4°F).
Average pressure in September
Lyons, NE
- Average pressure in September: 29.98"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
Lyons, NE
- Average wind speed in September: 8.9mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.5mph).
Average humidity in September
Lyons, 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 (65%).
Average rainfall in September
Lyons, NE
- Average rainfall in September: 1.81"
The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days in September
Lyons, NE
- Average rainfall days in September: 12.1 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is January (2.9 days).
Average snowfall in September
Lyons, NE
- Average snowfall in September: 0"
The months with the highest snowfall are February and December (2.8").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Lyons, NE
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Lyons, NE
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 12min).
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 42min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in September
Lyons, NE
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is November (22.9 days).
The month with the least sunshine days is June (11.7 days).
Average UV index in September
Lyons, NE
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Lyons, NE
- Average cloud cover in September: 28
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in September
Lyons, 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).
