September weather forecastLake Brownwood, TX
September
Weather in September
September, the first month of the autumn in Lake Brownwood, is still a tropical month, with an average temperature ranging between max 87.4°F (30.8°C) and min 68.9°F (20.5°C).Temperature
September brings a slight decrease in the average high-temperature, shifting from a fiery hot 95.7°F (35.4°C) in August to a hot 87.4°F (30.8°C). An average low-temperature of 68.9°F (20.5°C) marks the month of September in Lake Brownwood.Heat index
For September, the heat index is computed to be a hot 93.2°F (34°C). Undertake additional safety actions, risk of heat cramps and heat exhaustion is significant. Persistent activity may induce heatstroke.Take into consideration that the heat index values are calculated for shade and light wind conditions. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is achieved by amalgamating air temperature with the relative humidity readings. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. Do note, being directly under sun rays can amplify the heat you feel, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
Humidity
In September, the average relative humidity is 60%.Rainfall
In Lake Brownwood, in September, during 13.5 rainfall days, 1.89" (48mm) of precipitation is typically accumulated. In Lake Brownwood, during the entire year, the rain falls for 115.7 days and collects up to 19.96" (507mm) of precipitation.Snowfall
In Lake Brownwood, snow does not fall in April through November.Daylight
In Lake 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 7:30 am and sunset at 7:22 pm CDT.
Sunshine
In September, the average sunshine in Lake Brownwood is 8.7h.UV index
The average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for average individuals.Note: An average UV index of 6 in September transforms into this advice:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. 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
Average temperature in September
Lake 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
Lake 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
Lake 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
Lake 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
Lake 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
Lake 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
Lake 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
Lake 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
Lake Brownwood, TX
- Average daylight in September: 12h and 18min
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 42min
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
Lake 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
Lake 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
Lake 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
Lake 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).
