September weather forecastSchwertner, TX
September
Weather in September
September, the first month of the autumn in Schwertner, is still a hot month, with an average temperature fluctuating between 70.9°F (21.6°C) and 88.7°F (31.5°C).Temperature
The onset of September brings a small shift in high-temperatures, falling from a very hot 96.4°F (35.8°C) in August to a hot 88.7°F (31.5°C). Schwertner's average low-temperature for the month of September records at a pleasant 70.9°F (21.6°C).Heat index
September's heat index is appraised at a very hot 100.4°F (38°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.Heat index determinations are made taking into account the shade and light air movements. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is achieved by amalgamating air temperature with the relative humidity readings. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. In the presence of high relative humidity, the evaporation rate diminishes, resulting in the body retaining more warmth compared to dry conditions. Overheating dangers loom when the body's heat release mechanisms are overshadowed by excessive gain.
Humidity
The average relative humidity in September in Schwertner, Texas, is 66%.Rainfall
In September, the rain falls for 15.3 days. Throughout September, 2.72" (69mm) of precipitation is accumulated. Throughout the year, there are 145.4 rainfall days, and 28.5" (724mm) of precipitation is accumulated.Snowfall
March through October and December are months without snowfall.Daylight
In Schwertner, Texas, the average length of the day in September is 12h and 20min.On the first day of the month, sunrise is at 7:06 am and sunset at 7:52 pm. On the last day of September, sunrise is at 7:23 am and sunset at 7:16 pm CDT.
Sunshine
The average sunshine in September is 8.5h.UV index
The average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index of 6 during September translates into these guidelines:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Schwertner, TX
- Average high temperature in September: 88.7°F
The warmest month (with the highest average high temperature) is August (96.4°F).
The month with the lowest average high temperature is January (58.1°F).
- Average low temperature in September: 70.9°F
The month with the highest average low temperature is August (76.3°F).
The coldest month (with the lowest average low temperature) is January (41.9°F).
Average pressure in September
Schwertner, TX
- 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 (29.92"Hg).
Average wind speed in September
Schwertner, TX
- Average wind speed in September: 6.7mph
The windiest month (with the highest average wind speed) is March (10.1mph).
The calmest month (with the lowest average wind speed) is September (6.7mph).
Average humidity in September
Schwertner, TX
- Average humidity in September: 66%
The month with the highest relative humidity is May (76%).
The month with the lowest relative humidity is August (58%).
Average rainfall in September
Schwertner, TX
- Average rainfall in September: 2.72"
The wettest month (with the highest rainfall) is October (4.13").
The driest month (with the least rainfall) is February (1.34").
Average rainfall days in September
Schwertner, TX
- Average rainfall days in September: 15.3 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (8.7 days).
Average snowfall in September
Schwertner, TX
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.2").
The months with the least snowfall are March, April, May, June, July, August, September, October and December (0").
Average snowfall days in September
Schwertner, TX
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.8 days).
The months with the least snowfall days are March, April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Schwertner, TX
- Average daylight in September: 12h and 18min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in September: 8h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in September
Schwertner, TX
- Average sunshine days in September: 12.5 days
The month with the most sunshine days is January (20.3 days).
The month with the least sunshine days is September (12.5 days).
Average UV index in September
Schwertner, TX
- Average UV index in September: 6
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in September
Schwertner, TX
- Average cloud cover in September: 30
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in September
Schwertner, 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).
