September weather forecastHenry, NE
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Henry, Nebraska, with an average temperature varying between 54.5°F (12.5°C) and 78.6°F (25.9°C).Temperature
As September begins, there is a minor decrease in the average high-temperature, softly falling from a tropical 86.5°F (30.3°C) in August to a moderately hot 78.6°F (25.9°C). The average low-temperature of 54.5°F (12.5°C) in September in Henry represents a significant drop from the daily high.Humidity
The months with the lowest humidity in Henry are August and September, with an average relative humidity of 44%.Rainfall
In Henry, Nebraska, in September, during 8.3 rainfall days, 0.67" (17mm) of precipitation is typically accumulated. Throughout the year, there are 110.8 rainfall days, and 12.87" (327mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall in Henry. September is the first month it typically snows. Throughout September, in the average 0.1 snowfall days, it receives 0.08" (2mm) of snow. In Henry, during the entire year, snow falls for 42.1 days and aggregates up to 20.75" (527mm) of snow.Daylight
The average length of the day in September in Henry is 12h and 28min.On the first day of the month, sunrise is at 6:22 am and sunset at 7:29 pm. On the last day of September, in Henry, sunrise is at 6:52 am and sunset at 6:38 pm MDT.
Sunshine
In Henry, the average sunshine in September is 10.7h.UV index
The average daily maximum UV index in September in Henry is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: The UV index of 4 in September translates into these instructions:
Undertake precautions - Guarding against sun damage is counselled. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Henry, NE
- Average high temperature in September: 78.6°F
The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is December (36°F).
- Average low temperature in September: 54.5°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is December (20.8°F).
Average pressure in September
Henry, 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 (29.85"Hg).
Average wind speed in September
Henry, NE
- Average wind speed in September: 9.4mph
The windiest month (with the highest average wind speed) is April (11.4mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).
Average humidity in September
Henry, NE
- Average humidity in September: 44%
The months with the highest relative humidity are January and December (67%).
The months with the lowest relative humidity are August and September (44%).
Average rainfall in September
Henry, NE
- Average rainfall in September: 0.67"
The wettest month (with the highest rainfall) is May (2.32").
The driest month (with the least rainfall) is January (0.39").
Average rainfall days in September
Henry, NE
- Average rainfall days in September: 8.3 days
The month with the highest number of rainy days is May (15 days).
The month with the least rainy days is December (4.1 days).
Average snowfall in September
Henry, NE
- Average snowfall in September: 0.08"
The month with the highest snowfall is May (3.11").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Henry, NE
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is February (8.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Henry, 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: 10h and 42min
The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 24min).
Average sunshine days in September
Henry, NE
- Average sunshine days in September: 18.9 days
The month with the most sunshine days is December (20.8 days).
The month with the least sunshine days is May (12.2 days).
Average UV index in September
Henry, NE
- Average UV index in September: 4
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
Henry, NE
- Average cloud cover in September: 16
The month with the most cloud cover is February (Cloud cover 33).
The months with the least cloud cover are August and September (Cloud cover 16).
Average visibility in September
Henry, 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).





