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 arrival of September corresponds with a temperature reduction, down from August's torrid 96.1°F (35.6°C) to a tropical 86.9°F (30.5°C). During the month of September, Chalk experiences a steady low-temperature average of 68.5°F (20.3°C).Heat index
The heat index value for September is appraised at a hot 91.4°F (33°C). Exercise enhanced safety steps, heat cramps and heat exhaustion are probable. Heatstroke could be a result of sustained activity.It is emphasized that the heat index's values are meant for shaded zones with mild winds. 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 'felt air temperature' or 'real feel', reflects the feeling of heat when considering both air temperature and humidity. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. With direct sunlight, be aware that it might enhance the heat sensation, raising the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.
Humidity
September is the most humid month, with an average relative humidity of 55%.Rainfall
The month with the most rainfall is September, when the rain falls for 11.4 days and typically aggregates up to 2.17" (55mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In September, the average length of the day 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
The average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the average person.Note: A maximum UV index of 6 in September translates into the following recommendations:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is September?
What is the most humid month?
What is the average humidity in September?
What is the wettest month?
How much does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Chalk have in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Chalk have in September?
What is the UV index intensity in September?
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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