September weather forecastBrownville, KS
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Brownville, Kansas, with temperature in the range of an average high of 80.4°F (26.9°C) and an average low of 59.2°F (15.1°C).Temperature
During the shift to September, Brownville records a mild decrease in average high-temperature, moving from a hot 88°F (31.1°C) in August to a warm 80.4°F (26.9°C). The average nighttime temperature in Brownville, Kansas, lowers to a refreshing 59.2°F (15.1°C) throughout September.Humidity
The average relative humidity in September in Brownville is 51%.Rainfall
In September, in Brownville, the rain falls for 9.5 days. Throughout September, 1.14" (29mm) of precipitation is accumulated. In Brownville, during the entire year, the rain falls for 106.9 days and collects up to 14.45" (367mm) of precipitation.Snowfall
In Brownville, snow does not fall in June through September.Daylight
The average length of the day in September in Brownville is 12h and 26min.On the first day of September, sunrise is at 7:14 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 7:29 pm CDT.
Sunshine
In September, the average sunshine in Brownville is 9.8h.UV index
In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: The UV index of 5 during September translates into the following guidance:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Brownville, KS
- Average high temperature in September: 80.4°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is December (41.7°F).
- Average low temperature in September: 59.2°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is December (25°F).
Average pressure in September
Brownville, KS
- Average pressure in September: 29.93"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.8"Hg).
Average wind speed in September
Brownville, KS
- Average wind speed in September: 11.1mph
The windiest month (with the highest average wind speed) is April (12.9mph).
The calmest month (with the lowest average wind speed) is August (10.2mph).
Average humidity in September
Brownville, KS
- Average humidity in September: 51%
The months with the highest relative humidity are January, February and December (62%).
The month with the lowest relative humidity is July (49%).
Average rainfall in September
Brownville, KS
- Average rainfall in September: 1.14"
The wettest month (with the highest rainfall) is May (2.28").
The driest month (with the least rainfall) is January (0.39").
Average rainfall days in September
Brownville, KS
- Average rainfall days in September: 9.5 days
The month with the highest number of rainy days is May (14.6 days).
The month with the least rainy days is November (3.5 days).
Average snowfall in September
Brownville, KS
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.01").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Brownville, KS
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (7.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Brownville, KS
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 9h and 48min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 6h and 18min).
Average sunshine days in September
Brownville, KS
- Average sunshine days in September: 17.5 days
The month with the most sunshine days is November (22.9 days).
The month with the least sunshine days is July (12.1 days).
Average UV index in September
Brownville, KS
- Average UV index in September: 5
The months with the highest UV index are June and 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
Brownville, KS
- Average cloud cover in September: 19
The month with the most cloud cover is February (Cloud cover 32).
The month with the least cloud cover is June (Cloud cover 18).
Average visibility in September
Brownville, KS
- 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).





