Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The arrival of September signals a subtle shift in temperature, down from a moderately hot 84.7°F (29.3°C) in August to a still warm 77.9°F (25.5°C). During September, Henderson sees a mean low-temperature of 56.7°F (13.7°C).Humidity
In Henderson, Nebraska, the average relative humidity in September is 66%.Rainfall
In Henderson, during September, the rain falls for 12 days and regularly aggregates up to 1.61" (41mm) of precipitation. Throughout the year, in Henderson, Nebraska, there are 117.2 rainfall days, and 21.61" (549mm) of precipitation is accumulated.Snowfall
In Henderson, 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 September in Henderson, sunrise is at 6:58 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 7:14 pm CDT.
Sunshine
The average sunshine in September is 8.5h.UV index
In Henderson, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: In September, an average UV index of 5 transforms into the following instructions:
Take necessary precautions - Suggestions to elude sunburn are provided. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Frequently asked questions
What are the temperatures in Henderson in September?
What is the average humidity in September in Henderson?
How much does it rain in Henderson in September?
When it does not snow in Henderson?
Does it snow in Henderson in September?
How many hours of daylight does Henderson have in September?
What time are sunrise and sunset in September in Henderson?
How long on average sun shines in September in Henderson?
What is the UV index reading in September in Henderson?
Average temperature in September
Henderson, NE
- Average high temperature in September: 77.9°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (32.9°F).
- Average low temperature in September: 56.7°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in September
Henderson, 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
Henderson, NE
- Average wind speed in September: 9.4mph
The windiest month (with the highest average wind speed) is April (11.7mph).
The calmest month (with the lowest average wind speed) is July (8mph).
Average humidity in September
Henderson, NE
- Average humidity in September: 66%
The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is October (62%).
Average rainfall in September
Henderson, NE
- Average rainfall in September: 1.61"
The wettest month (with the highest rainfall) is May (3.7").
The driest months (with the least rainfall) are January and February (0.63").
Average rainfall days in September
Henderson, NE
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is June (15.8 days).
The month with the least rainy days is January (3.4 days).
Average snowfall in September
Henderson, NE
- Average snowfall in September: 0"
The month with the highest snowfall is December (2.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Henderson, NE
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (7.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Henderson, NE
- Average daylight in September: 12h and 2min
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 18min).
- Average sunshine in September: 8h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).
Average sunshine days in September
Henderson, NE
- Average sunshine days in September: 15.5 days
The months with the most sunshine days are November and December (22.2 days).
The month with the least sunshine days is June (10.7 days).
Average UV index in September
Henderson, 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
Henderson, NE
- Average cloud cover in September: 28
The months with the most cloud cover are January and February (Cloud cover 43).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in September
Henderson, 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).
Henderson, Nebraska, USA
Weather forecast for your location
2. Allow the app to use your location
