September weather forecastNaponee, NE
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Naponee, Nebraska, with an average temperature fluctuating between 81°F (27.2°C) and 59.9°F (15.5°C).Temperature
Transition into September subtly marks a drop in the average high-temperature, moderately moving from a tropical 89.1°F (31.7°C) in August to a warm 81°F (27.2°C). September's average low-temperature reading in Naponee settles at a refreshing 59.9°F (15.5°C).Heat index
September's average heat index is estimated at 82.4°F (28°C). With unrelenting exposure and activity, one might experience exhaustion, leading to potential heat cramps.One should consider that heat index numbers are for shaded settings and light wind. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.
Humidity
In Naponee, Nebraska, the average relative humidity in September is 59%.Rainfall
In Naponee, in September, it is raining for 11.1 days, with typically 1.34" (34mm) of accumulated precipitation. In Naponee, during the entire year, the rain falls for 115.9 days and collects up to 19.25" (489mm) of precipitation.Snowfall
In Naponee, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 26min.On the first day of September, sunrise is at 7:05 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 7:19 pm CDT.
Sunshine
The average sunshine in September is 8.9h.UV index
In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: During September, 5 as the daily maximum UV index converts into the following advice:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Naponee, NE
- Average high temperature in September: 81°F
The warmest month (with the highest average high temperature) is July (92.1°F).
The month with the lowest average high temperature is January (39.2°F).
- Average low temperature in September: 59.9°F
The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in September
Naponee, NE
- Average pressure in September: 29.97"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in September
Naponee, NE
- Average wind speed in September: 10.2mph
The windiest month (with the highest average wind speed) is April (11.9mph).
The calmest month (with the lowest average wind speed) is August (9.1mph).
Average humidity in September
Naponee, NE
- Average humidity in September: 59%
The month with the highest relative humidity is January (70%).
The month with the lowest relative humidity is July (56%).
Average rainfall in September
Naponee, NE
- Average rainfall in September: 1.34"
The wettest month (with the highest rainfall) is May (3.35").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in September
Naponee, NE
- Average rainfall days in September: 11.1 days
The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is February (3.7 days).
Average snowfall in September
Naponee, NE
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.64").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Naponee, NE
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (6.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Naponee, NE
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 8h and 54min
The month with the most sunshine is June (Average sunshine: 11h and 18min).
The months with the least sunshine are January and December (Average sunshine: 6h and 6min).
Average sunshine days in September
Naponee, NE
- Average sunshine days in September: 15.9 days
The month with the most sunshine days is December (23 days).
The month with the least sunshine days is May (12.2 days).
Average UV index in September
Naponee, NE
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Naponee, NE
- Average cloud cover in September: 23
The month with the most cloud cover is February (Cloud cover 36).
The months with the least cloud cover are June and July (Cloud cover 21).
Average visibility in September
Naponee, 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).





