September weather forecastChapman, NE
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Chapman, Nebraska, with an average temperature varying between 78.3°F (25.7°C) and 56.7°F (13.7°C).Temperature
Transition into September subtly marks a drop in the average high-temperature, moderately moving from a moderately hot 85.1°F (29.5°C) in August to a still warm 78.3°F (25.7°C). Chapman documents a substantial deviation from daytime highs with a consistent low-temperature of 56.7°F (13.7°C) during September nights.Humidity
In Chapman, the average relative humidity in September is 66%.Rainfall
In Chapman, in September, it is raining for 10.7 days, with typically 1.34" (34mm) of accumulated precipitation. In Chapman, during the entire year, the rain falls for 109.5 days and collects up to 19.37" (492mm) of precipitation.Snowfall
In Chapman, 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 the month, sunrise is at 7:00 am and sunset at 8:04 pm. On the last day of September, in Chapman, sunrise is at 7:29 am and sunset at 7:15 pm CDT.
Sunshine
The average sunshine in September in Chapman is 8.6h.UV index
In Chapman, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index of 5 during September leads to these instructions:
Take precautions - Protection against skin and eye damage is obliged. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Chapman, NE
- Average high temperature in September: 78.3°F
The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (33.4°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 (19°F).
Average pressure in September
Chapman, 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
Chapman, NE
- Average wind speed in September: 9.5mph
The windiest month (with the highest average wind speed) is April (11.6mph).
The calmest month (with the lowest average wind speed) is July (8mph).
Average humidity in September
Chapman, 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 (61%).
Average rainfall in September
Chapman, NE
- Average rainfall in September: 1.34"
The wettest month (with the highest rainfall) is May (3.27").
The driest month (with the least rainfall) is January (0.51").
Average rainfall days in September
Chapman, NE
- Average rainfall days in September: 10.7 days
The month with the highest number of rainy days is May (15 days).
The month with the least rainy days is February (1.7 days).
Average snowfall in September
Chapman, NE
- Average snowfall in September: 0"
The month with the highest snowfall is December (3.23").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Chapman, 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
Chapman, 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: 8h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in September
Chapman, NE
- Average sunshine days in September: 17.2 days
The month with the most sunshine days is November (22.9 days).
The month with the least sunshine days is June (13.6 days).
Average UV index in September
Chapman, 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
Chapman, NE
- Average cloud cover in September: 27
The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in September
Chapman, 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).
