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 brings a small change in high-temperatures, falling from a torrid 96.1°F (35.6°C) in August to a tropical 86.9°F (30.5°C). In September, Chalk records an average nighttime temperature of 68.5°F (20.3°C).Heat index
September's average heat index is estimated at a hot 91.4°F (33°C). Adopt additional preventive measures, heat cramps and heat exhaustion are potential outcomes. Prolonged activity may trigger heatstroke.Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a composite of temperature and humidity figures to convey how warm it feels. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.
Humidity
The most humid month is September, with an average relative humidity of 55%.Rainfall
September is the month with the most rainfall. Rain falls for 11.4 days and accumulates 2.17" (55mm) of precipitation.Snowfall
In Chalk, snow does not fall in May through September.Daylight
In September, the average length of the day in Chalk is 12h and 22min.On the first day of the month, sunrise is at 7:15 am and sunset at 8:06 pm. On the last day of September, sunrise is at 7:35 am and sunset at 7:26 pm CDT.
Sunshine
In Chalk, the average sunshine in September is 8.9h.UV index
In Chalk, 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 rays for ordinary individuals.Note: The average daily UV index of 6 in September transforms into the following instructions:
Take precautions against overexposure. Protection against sun damage is needed. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Frequently asked questions
How hot is September in Chalk?
What is the most humid month in Chalk?
What is the average humidity in September in Chalk?
What is the wettest month in Chalk?
How much does it rain in Chalk in September?
When it does not snow in Chalk?
Does it snow in Chalk in September?
What is the average length of the day in September in Chalk?
What time are sunrise and sunset in September in Chalk?
How many hours of sunshine does Chalk have in September?
What is the UV index reading in September in Chalk?
Average temperature in September
Chalk, TX
- Average high temperature in September: 86.9°F
The warmest month (with the highest average high temperature) is July (96.4°F).
The month with the lowest average high temperature is December (54°F).
- Average low temperature in September: 68.5°F
The month with the highest average low temperature is July (76.5°F).
The coldest month (with the lowest average low temperature) is January (35.4°F).
Average pressure in September
Chalk, TX
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in September
Chalk, TX
- Average wind speed in September: 10.4mph
The windiest month (with the highest average wind speed) is April (13.8mph).
The calmest months (with the lowest average wind speed) are August and September (10.4mph).
Average humidity in September
Chalk, TX
- Average humidity in September: 55%
The month with the highest relative humidity is September (55%).
The month with the lowest relative humidity is August (44%).
Average rainfall in September
Chalk, TX
- Average rainfall in September: 2.17"
The wettest month (with the highest rainfall) is September (2.17").
The driest months (with the least rainfall) are February and November (0.59").
Average rainfall days in September
Chalk, TX
- Average rainfall days in September: 11.4 days
The month with the highest number of rainy days is September (11.4 days).
The month with the least rainy days is January (3.1 days).
Average snowfall in September
Chalk, TX
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.38").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Chalk, TX
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Chalk, TX
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is June (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).
Average sunshine days in September
Chalk, TX
- Average sunshine days in September: 16 days
The month with the most sunshine days is January (26.5 days).
The month with the least sunshine days is September (16 days).
Average UV index in September
Chalk, TX
- Average UV index in September: 6
The month with the highest UV index is June (UV index 8).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in September
Chalk, TX
- Average cloud cover in September: 24
The month with the most cloud cover is March (Cloud cover 26).
The month with the least cloud cover is June (Cloud cover 16).
Average visibility in September
Chalk, 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).
Chalk, Texas, USA
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