September weather forecastWestminster, TX
September
Weather in September
September, the first month of the autumn in Westminster, is also a hot month, with an average temperature ranging between max 86.2°F (30.1°C) and min 68.5°F (20.3°C).Temperature
The onset of September results in a small decrease in the average high-temperature, moderately receding from a hot 94.3°F (34.6°C) in August to a still tropical 86.2°F (30.1°C). Westminster, during the month of September, experiences an average low-temperature of 68.5°F (20.3°C).Heat index
September's mean heat index is appraised at a hot 93.2°F (34°C). Exercise heightened safety, heat cramps and heat exhaustion are probable. Persistent activity may provoke heatstroke.In reference to the heat index, it's for places in shade and with a slight wind. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', ties air temperature with relative humidity to produce the perceived temperature sensation. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. 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 especially vital to children. Young people are generally more susceptible than adults because they perspire less. Furthermore, their proportionally larger skin surface to their petite bodies and the increased heat output from their actions add to the risk.
Humidity
The average relative humidity in September is 66%.Rainfall
In Westminster, in September, it is raining for 14.4 days, with typically 3.19" (81mm) of accumulated precipitation. Throughout the year, there are 142.1 rainfall days, and 33.19" (843mm) of precipitation is accumulated.Snowfall
In Westminster, snow does not fall in April through October.Daylight
In September, the average length of the day is 12h and 22min.On the first day of September, sunrise is at 7:00 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 7:11 pm CDT.
Sunshine
In September, the average sunshine is 8.5h.UV index
In September, the average daily maximum UV index in Westminster is 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, a daily maximum UV index of 6 leads to the following instructions:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Westminster, TX
- Average high temperature in September: 86.2°F
The warmest month (with the highest average high temperature) is August (94.3°F).
The month with the lowest average high temperature is January (52.3°F).
- Average low temperature in September: 68.5°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 (36.5°F).
Average pressure in September
Westminster, TX
- Average pressure in September: 29.97"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in September
Westminster, TX
- Average wind speed in September: 7mph
The windiest month (with the highest average wind speed) is March (10.4mph).
The calmest month (with the lowest average wind speed) is September (7mph).
Average humidity in September
Westminster, TX
- Average humidity in September: 66%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is August (59%).
Average rainfall in September
Westminster, TX
- Average rainfall in September: 3.19"
The wettest month (with the highest rainfall) is October (4.21").
The driest month (with the least rainfall) is January (1.61").
Average rainfall days in September
Westminster, TX
- Average rainfall days in September: 14.4 days
The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is January (7.2 days).
Average snowfall in September
Westminster, TX
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.71").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Westminster, TX
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.4 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
Westminster, TX
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in September: 8h and 30min
The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in September
Westminster, TX
- Average sunshine days in September: 14.9 days
The month with the most sunshine days is January (22.3 days).
The month with the least sunshine days is May (13.8 days).
Average UV index in September
Westminster, 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 2).
Average cloud cover in September
Westminster, TX
- Average cloud cover in September: 29
The months with the most cloud cover are February and March (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in September
Westminster, 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).





