September weather forecastBroken Bow, NE
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Broken Bow, Nebraska, with an average temperature varying between 55.2°F (12.9°C) and 77.2°F (25.1°C).Temperature
September implies a soft temperature shift, with average high-temperatures reducing from August's moderately hot 84.6°F (29.2°C) to a still warm 77.2°F (25.1°C). Contrasted against daytime highs, Broken Bow records an average nighttime low of 55.2°F (12.9°C) in September.Humidity
In September, the average relative humidity is 62%.Rainfall
In September, the rain falls for 8.4 days. Throughout September, 0.67" (17mm) of precipitation is accumulated. Throughout the year, there are 93.8 rainfall days, and 15.75" (400mm) of precipitation is accumulated.Snowfall
In Broken Bow, snow does not fall in June through September.Daylight
In Broken Bow, the average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 7:05 am and sunset at 8:10 pm. On the last day of September, in Broken Bow, sunrise is at 7:35 am and sunset at 7:21 pm CDT.
Sunshine
The average sunshine in September is 8.9h.UV index
The average daily maximum UV index in September in Broken Bow, Nebraska, is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 5 during September leads to these instructions:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Broken Bow, NE
- Average high temperature in September: 77.2°F
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (33.8°F).
- Average low temperature in September: 55.2°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in September
Broken Bow, NE
- Average pressure in September: 29.97"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
Broken Bow, NE
- Average wind speed in September: 10.1mph
The windiest month (with the highest average wind speed) is April (12.1mph).
The calmest month (with the lowest average wind speed) is July (8.9mph).
Average humidity in September
Broken Bow, NE
- Average humidity in September: 62%
The month with the highest relative humidity is January (77%).
The month with the lowest relative humidity is October (60%).
Average rainfall in September
Broken Bow, NE
- Average rainfall in September: 0.67"
The wettest month (with the highest rainfall) is May (2.32").
The driest month (with the least rainfall) is January (0.51").
Average rainfall days in September
Broken Bow, NE
- Average rainfall days in September: 8.4 days
The month with the highest number of rainy days is May (13.5 days).
The month with the least rainy days is December (3.7 days).
Average snowfall in September
Broken Bow, NE
- Average snowfall in September: 0"
The months with the highest snowfall are February and December (3.62").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Broken Bow, NE
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Broken Bow, 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 12min).
- Average sunshine in September: 8h and 54min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).
Average sunshine days in September
Broken Bow, NE
- Average sunshine days in September: 20.1 days
The month with the most sunshine days is October (23 days).
The month with the least sunshine days is April (14.6 days).
Average UV index in September
Broken Bow, 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
Broken Bow, NE
- Average cloud cover in September: 23
The months with the most cloud cover are January and February (Cloud cover 41).
The months with the least cloud cover are July and September (Cloud cover 23).
Average visibility in September
Broken Bow, 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).
