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
September's onset brings a negligible change in high-temperatures, falling from a sweltering 95.4°F (35.2°C) in August to a tropical 86.9°F (30.5°C). Lawn in September anticipates an average nighttime temperature of 68°F (20°C).Heat index
The heat index value for September is appraised at a tropical 93.2°F (34°C). Undertake extra safety actions, heat cramps and heat exhaustion are expected. Heatstroke may result from lengthy activity.Heat index details are generally centered around shaded locations and a mild breeze. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.
Humidity
May, September and November, with an average relative humidity of 59%, are the most humid months.Rainfall
In Lawn, in September, during 11.4 rainfall days, 2.09" (53mm) of precipitation is typically accumulated. In Lawn, during the entire year, the rain falls for 95.8 days and collects up to 16.14" (410mm) of precipitation.Snowfall
In Lawn, snow does not fall in April through October.Daylight
In Lawn, the average length of the day in September is 12h and 21min.On the first day of September, sunrise is at 7:14 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 7:24 pm CDT.
Sunshine
In Lawn, the average sunshine in September is 8.7h.UV index
In Lawn, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A typical high UV index of 6 in September suggests the following recommendations:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in September?
What is the most humid month?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Lawn have in September?
How high is the UV index in September?
Average temperature in September
Lawn, TX
- Average high temperature in September: 86.9°F
The warmest month (with the highest average high temperature) is August (95.4°F).
The months with the lowest average high temperature are January and December (56.5°F).
- Average low temperature in September: 68°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 (38.1°F).
Average pressure in September
Lawn, 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 (29.87"Hg).
Average wind speed in September
Lawn, TX
- Average wind speed in September: 9.4mph
The windiest month (with the highest average wind speed) is April (13.5mph).
The calmest month (with the lowest average wind speed) is September (9.4mph).
Average humidity in September
Lawn, TX
- Average humidity in September: 59%
The months with the highest relative humidity are May, September and November (59%).
The month with the lowest relative humidity is August (48%).
Average rainfall in September
Lawn, TX
- Average rainfall in September: 2.09"
The wettest month (with the highest rainfall) is October (2.24").
The driest months (with the least rainfall) are January and February (0.71").
Average rainfall days in September
Lawn, TX
- Average rainfall days in September: 11.4 days
The month with the highest number of rainy days is May (12 days).
The month with the least rainy days is January (4 days).
Average snowfall in September
Lawn, TX
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.91").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Lawn, TX
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.6 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
Lawn, 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 24min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).
Average sunshine days in September
Lawn, TX
- Average sunshine days in September: 17.3 days
The month with the most sunshine days is January (25.7 days).
The month with the least sunshine days is May (16 days).
Average UV index in September
Lawn, 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
Lawn, TX
- Average cloud cover in September: 27
The month with the most cloud cover is March (Cloud cover 28).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility in September
Lawn, 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).
Lawn, Texas, USA
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