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
With the onset of September, Naper's average high-temperature slightly adjusts, moderately receding from August's 83.5°F (28.6°C) to a still moderately hot 75.4°F (24.1°C). During September, the nighttime temperature averages of 55.6°F (13.1°C).Humidity
In September, the average relative humidity in Naper is 63%.Rainfall
In Naper, in September, during 10.8 rainfall days, 1.46" (37mm) of precipitation is typically accumulated. In Naper, during the entire year, the rain falls for 109.3 days and collects up to 19.41" (493mm) of precipitation.Snowfall
June through September are months without snowfall in Naper.Daylight
In September, the average length of the day is 12h and 29min.On the first day of the month, sunrise is at 7:01 am and sunset at 8:10 pm. On the last day of September, sunrise is at 7:33 am and sunset at 7:18 pm CDT.
Sunshine
In September, the average sunshine is 8.7h.UV index
In September, the average daily maximum UV index in Naper is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 5 in September converts into the following recommendations:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Avoiding the Sun during its peak radiation time around midday is a healthy practice. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Frequently asked questions
What is the temperature in September in Naper?
What is the average humidity in September in Naper?
How many days does it rain in September in Naper?
When it does not snow in Naper?
Does it snow in Naper in September?
How many hours of daylight does Naper have in September?
What time are sunrise and sunset in September in Naper?
How many hours of sunshine does Naper have in September?
What is the UV index intensity in September in Naper?
Average temperature in September
Naper, NE
- Average high temperature in September: 75.4°F
The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in September: 55.6°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 (17.2°F).
Average pressure in September
Naper, NE
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in September
Naper, NE
- Average wind speed in September: 10.5mph
The windiest month (with the highest average wind speed) is April (12.2mph).
The calmest month (with the lowest average wind speed) is July (9.3mph).
Average humidity in September
Naper, NE
- Average humidity in September: 63%
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is October (61%).
Average rainfall in September
Naper, NE
- Average rainfall in September: 1.46"
The wettest month (with the highest rainfall) is May (3.03").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in September
Naper, NE
- Average rainfall days in September: 10.8 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is January (1.6 days).
Average snowfall in September
Naper, NE
- Average snowfall in September: 0"
The month with the highest snowfall is December (3.66").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Naper, NE
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Naper, NE
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in September
Naper, NE
- Average sunshine days in September: 16.7 days
The month with the most sunshine days is November (23.4 days).
The month with the least sunshine days is June (9.6 days).
Average UV index in September
Naper, 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
Naper, NE
- Average cloud cover in September: 25
The month with the most cloud cover is January (Cloud cover 49).
The months with the least cloud cover are July, August and September (Cloud cover 25).
Average visibility in September
Naper, 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).
Naper, Nebraska, USA
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