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
The onset of September results in a small decrease in the average high-temperature, moderately receding from a torrid 95.7°F (35.4°C) in August to a hot 87.4°F (30.8°C). Brownwood experiences a steady low-temperature of 68.9°F (20.5°C) throughout September.Heat index
For September, the heat index is estimated at a hot 93.2°F (34°C). Additional precautions are required to avert heat cramps and heat exhaustion. Persistent activity may culminate in heatstroke.The standards for the heat index are set for locations in shade and under light breezes. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', marries air temperature and humidity to produce a value illustrating perceived warmth. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Young ones generally face higher dangers than adults since they sweat less. Along with their large skin surface area compared totheir small bodies and increased heat production from their activities, the risks are heightened.
Humidity
In Brownwood, Texas, the average relative humidity in September is 60%.Rainfall
In Brownwood, in September, during 13.5 rainfall days, 1.89" (48mm) of precipitation is typically accumulated. In Brownwood, during the entire year, the rain falls for 115.7 days and collects up to 19.96" (507mm) of precipitation.Snowfall
In Brownwood, snow does not fall in April through November.Daylight
In Brownwood, the average length of the day in September is 12h and 21min.On the first day of the month, sunrise is at 7:12 am and sunset at 7:59 pm. On the last day of September, sunrise is at 7:29 am and sunset at 7:21 pm CDT.
Sunshine
In Brownwood, the average sunshine in September is 8.7h.UV index
In Brownwood, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the average person.Note: A maximum daily UV index of 6 during September morphs into the following directions:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
How many hours of daylight does Brownwood have in September?
When are sunrise and sunset in September in Brownwood?
How many hours of sunshine does Brownwood have in September?
What is the UV index intensity in September?
Average temperature in September
Brownwood, TX
- Average high temperature in September: 87.4°F
The warmest month (with the highest average high temperature) is August (95.7°F).
The months with the lowest average high temperature are January and December (58.1°F).
- Average low temperature in September: 68.9°F
The month with the highest average low temperature is August (74.8°F).
The coldest month (with the lowest average low temperature) is January (39°F).
Average pressure in September
Brownwood, TX
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Brownwood, TX
- Average wind speed in September: 8.3mph
The windiest month (with the highest average wind speed) is April (12.1mph).
The calmest month (with the lowest average wind speed) is September (8.3mph).
Average humidity in September
Brownwood, TX
- Average humidity in September: 60%
The month with the highest relative humidity is May (66%).
The month with the lowest relative humidity is August (51%).
Average rainfall in September
Brownwood, TX
- Average rainfall in September: 1.89"
The wettest month (with the highest rainfall) is May (2.6").
The driest month (with the least rainfall) is January (0.94").
Average rainfall days in September
Brownwood, TX
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is May (14.3 days).
The month with the least rainy days is January (5.4 days).
Average snowfall in September
Brownwood, TX
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.83").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Brownwood, TX
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Brownwood, TX
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).
Average sunshine days in September
Brownwood, TX
- Average sunshine days in September: 14.3 days
The month with the most sunshine days is January (23.8 days).
The month with the least sunshine days is May (13.4 days).
Average UV index in September
Brownwood, TX
- Average UV index in September: 6
The month with the highest UV index is July (UV index 8).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in September
Brownwood, TX
- Average cloud cover in September: 28
The months with the most cloud cover are March and May (Cloud cover 34).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in September
Brownwood, TX
- 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).
Brownwood, Texas, USA
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