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, the average high-temperature subtly recedes from August's 84°F (28.9°C) to a still warm 75.2°F (24°C). An average low-temperature of 55.6°F (13.1°C) marks the month of September in Brownlee.Humidity
The least humid month in Brownlee is September, with an average relative humidity of 59%.Rainfall
In Brownlee, Nebraska, in September, during 10.4 rainfall days, 1.46" (37mm) of precipitation is typically accumulated. In Brownlee, during the entire year, the rain falls for 103.2 days and collects up to 17.44" (443mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 0.1 snowfall days, it receives 0.24" (6mm) of snow. In Brownlee, during the entire year, snow falls for 39.8 days and aggregates up to 13.94" (354mm) of snow.Daylight
The average length of the day in September in Brownlee is 12h and 28min.On the first day of September in Brownlee, sunrise is at 6:08 am and sunset at 7:15 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 6:25 pm MDT.
Sunshine
In September, the average sunshine is 8.9h.UV index
In Brownlee, Nebraska, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: A daily high UV index of 5 in September leads to these guidelines:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Around midday, solar radiation is most harmful; hence, exposure should be limited. To cut down UV radiation exposure by about half, sport a wide-brim hat. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Brownlee?
What is the least humid month in Brownlee?
What is the average humidity in September in Brownlee?
How many days does it rain in September in Brownlee?
When does it start snowing in Brownlee?
How many hours of daylight does Brownlee have in September?
What time are sunrise and sunset in September in Brownlee?
How long on average sun shines in September in Brownlee?
What is the UV index intensity in September in Brownlee?
Average temperature in September
Brownlee, NE
- Average high temperature in September: 75.2°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (31.1°F).
- Average low temperature in September: 55.6°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 (18.9°F).
Average pressure in September
Brownlee, 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
Brownlee, NE
- Average wind speed in September: 11.7mph
The windiest month (with the highest average wind speed) is April (13.3mph).
The calmest months (with the lowest average wind speed) are July and August (10.7mph).
Average humidity in September
Brownlee, NE
- Average humidity in September: 59%
The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is September (59%).
Average rainfall in September
Brownlee, NE
- Average rainfall in September: 1.46"
The wettest month (with the highest rainfall) is June (2.8").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in September
Brownlee, NE
- Average rainfall days in September: 10.4 days
The month with the highest number of rainy days is May (14.8 days).
The months with the least rainy days are February and December (2.3 days).
Average snowfall in September
Brownlee, NE
- Average snowfall in September: 0.24"
The month with the highest snowfall is December (2.99").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Brownlee, NE
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Brownlee, NE
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in September
Brownlee, NE
- Average sunshine days in September: 16.8 days
The month with the most sunshine days is November (21.8 days).
The month with the least sunshine days is June (11.8 days).
Average UV index in September
Brownlee, 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
Brownlee, NE
- Average cloud cover in September: 23
The months with the most cloud cover are January and February (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in September
Brownlee, 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).
Brownlee, Nebraska, USA
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