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
September's arrival aligns with a minor decrease in average high-temperatures, from August's 84°F (28.9°C) to a still moderately hot 77.9°F (25.5°C). During September, the average low-temperature in Brownville is a mild 58.1°F (14.5°C).Humidity
In Brownville, the average relative humidity in September is 72%.Rainfall
In September, the rain falls for 8.5 days. Throughout September, 0.63" (16mm) of precipitation is accumulated. In Brownville, during the entire year, the rain falls for 92 days and collects up to 8.78" (223mm) of precipitation.Snowfall
In Brownville, snow does not fall in May through September.Daylight
In Brownville, the average length of the day in September is 12h and 27min.On the first day of September in Brownville, sunrise is at 6:50 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 7:05 pm CDT.
Sunshine
In September, the average sunshine is 9.1h.UV index
In September, the average daily maximum UV index in Brownville is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum UV index of 5 in September translates into the following recommendations:
Prioritize safety - Suggestions to prevent sun damage are offered. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Brownville?
What is the average humidity in September in Brownville?
How much does it rain in Brownville in September?
When it does not snow in Brownville?
Does it snow in Brownville in September?
How many hours of daylight does Brownville have in September?
What time are sunrise and sunset in September in Brownville?
How many hours of sunshine does Brownville have in September?
What is the UV index reading in September in Brownville?
Average temperature in September
Brownville, NE
- Average high temperature in September: 77.9°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 (32.9°F).
- Average low temperature in September: 58.1°F
The month with the highest average low temperature is July (67.3°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in September
Brownville, NE
- Average pressure in September: 29.99"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in September
Brownville, NE
- Average wind speed in September: 8.1mph
The windiest months (with the highest average wind speed) are March and April (10.4mph).
The calmest month (with the lowest average wind speed) is July (6.9mph).
Average humidity in September
Brownville, NE
- Average humidity in September: 72%
The month with the highest relative humidity is January (77%).
The month with the lowest relative humidity is October (66%).
Average rainfall in September
Brownville, NE
- Average rainfall in September: 0.63"
The wettest month (with the highest rainfall) is June (1.46").
The driest month (with the least rainfall) is February (0.2").
Average rainfall days in September
Brownville, NE
- Average rainfall days in September: 8.5 days
The month with the highest number of rainy days is May (12 days).
The month with the least rainy days is January (2.6 days).
Average snowfall in September
Brownville, NE
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.67").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Brownville, NE
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Brownville, NE
- Average daylight in September: 12h and 2min
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 18min).
- Average sunshine in September: 9h and 1min
The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).
Average sunshine days in September
Brownville, NE
- Average sunshine days in September: 18.2 days
The month with the most sunshine days is December (25 days).
The month with the least sunshine days is June (14.4 days).
Average UV index in September
Brownville, 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
Brownville, NE
- Average cloud cover in September: 27
The months with the most cloud cover are January and March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in September
Brownville, 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).
Brownville, Nebraska, USA
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