September weather forecastChappell, NE
September
Weather in September
September heralds the arrival of autumn in Chappell, Nebraska. Despite the decreasing temperatures, average lows remain about 56.1°F (13.4°C), contributing to a very mild and enjoyable climate. The fall foliage starts to leave its mark on the city with golden-hued landscapes. The city bathes in the warm orange glow of the setting sun, transforming it into a picturesque image. September is the month when Chappell dons an artistic and serene ambiance.Temperature
In the transition to September, Chappell observes a minor drop in the average high-temperature, shifting from a warm 85.5°F (29.7°C) in August to a still moderately hot 77.9°F (25.5°C). Chappell demonstrates a significant disparity from daytime highs throughout the month of September, with an average nighttime temperature of 56.1°F (13.4°C).Humidity
September is the least humid month, with an average relative humidity of 48%.Rainfall
In Chappell, Nebraska, in September, it is raining for 9.5 days, with typically 1.1" (28mm) of accumulated precipitation. In Chappell, during the entire year, the rain falls for 105.9 days and collects up to 15.94" (405mm) of precipitation.Snowfall
In Chappell, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 27min.On the first day of September, sunrise is at 6:17 am and sunset at 7:21 pm. On the last day of the month, sunrise is at 6:46 am and sunset at 6:32 pm MDT.
Sunshine
The average sunshine in September in Chappell is 10.2h.UV index
The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The daily maximum UV index of 5 in September interprets into the following advice:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Chappell, NE
- Average high temperature in September: 77.9°F
The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is December (37.4°F).
- Average low temperature in September: 56.1°F
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is December (22.3°F).
Average pressure in September
Chappell, NE
- Average pressure in September: 29.94"Hg
The months with the highest atmospheric pressure are January and December (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in September
Chappell, NE
- Average wind speed in September: 10.3mph
The windiest month (with the highest average wind speed) is April (12.6mph).
The calmest month (with the lowest average wind speed) is August (9.6mph).
Average humidity in September
Chappell, NE
- Average humidity in September: 48%
The month with the highest relative humidity is February (67%).
The month with the lowest relative humidity is September (48%).
Average rainfall in September
Chappell, NE
- Average rainfall in September: 1.1"
The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is January (0.35").
Average rainfall days in September
Chappell, NE
- Average rainfall days in September: 9.5 days
The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is December (3.5 days).
Average snowfall in September
Chappell, NE
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.35").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Chappell, NE
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is February (9.2 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Chappell, NE
- Average daylight in September: 12h and 30min
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: 10h and 12min
The month with the most sunshine is August (Average sunshine: 11h and 36min).
The month with the least sunshine is February (Average sunshine: 6h and 6min).
Average sunshine days in September
Chappell, NE
- Average sunshine days in September: 17.2 days
The month with the most sunshine days is November (22.3 days).
The month with the least sunshine days is May (12.4 days).
Average UV index in September
Chappell, NE
- Average UV index in September: 5
The month with the highest UV index is 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
Chappell, NE
- Average cloud cover in September: 20
The month with the most cloud cover is February (Cloud cover 36).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in September
Chappell, 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).
