September weather forecastDawn, TX
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Dawn, Texas, with an average temperature fluctuating between 82°F (27.8°C) and 61°F (16.1°C).Temperature
The beginning of September brings a slight decrease in the average high-temperature, transitioning from a hot 90.3°F (32.4°C) in August to a warm 82°F (27.8°C). September nights in Dawn are marked by an average temperature drop to an enjoyable 61°F (16.1°C).Heat index
During September, the heat index is calculated to be 84.2°F (29°C). Prolonged activity during exposure might result in a state of fatigue and cause heat cramps.It is worth noting that heat index values are gauged for conditions in the shade and light breezes. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', unifies temperature and humidity readings to offer a comprehensive feel of warmth. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
Humidity
The average relative humidity in September is 55%.Rainfall
The wettest months in Dawn, Texas, are July and September, with an average 1.81" (46mm) of rainfall.Snowfall
In Dawn, snow does not fall in May through September.Daylight
In Dawn, the average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 7:22 am and sunset at 8:14 pm. On the last day of September, sunrise is at 7:43 am and sunset at 7:33 pm CDT.
Sunshine
In September, the average sunshine is 9.2h.UV index
In Dawn, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: The UV index of 5 during September leads to these advisories:
Take necessary precautions - Suggestions to elude sunburn are provided. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Dawn, TX
- Average high temperature in September: 82°F
The warmest month (with the highest average high temperature) is July (91.2°F).
The month with the lowest average high temperature is December (50.4°F).
- Average low temperature in September: 61°F
The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is December (30.2°F).
Average pressure in September
Dawn, TX
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in September
Dawn, TX
- Average wind speed in September: 10.6mph
The windiest month (with the highest average wind speed) is April (13.3mph).
The calmest month (with the lowest average wind speed) is August (9.9mph).
Average humidity in September
Dawn, TX
- Average humidity in September: 55%
The month with the highest relative humidity is December (56%).
The month with the lowest relative humidity is April (39%).
Average rainfall in September
Dawn, TX
- Average rainfall in September: 1.81"
The wettest months (with the highest rainfall) are July and September (1.81").
The driest month (with the least rainfall) is February (0.35").
Average rainfall days in September
Dawn, TX
- Average rainfall days in September: 11.8 days
The month with the highest number of rainy days is July (13.6 days).
The month with the least rainy days is November (3.2 days).
Average snowfall in September
Dawn, TX
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.65").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Dawn, TX
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.8 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
Dawn, TX
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 9h and 12min
The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).
Average sunshine days in September
Dawn, TX
- Average sunshine days in September: 15.6 days
The month with the most sunshine days is November (25.4 days).
The month with the least sunshine days is July (13.3 days).
Average UV index in September
Dawn, TX
- Average UV index in September: 5
The month with the highest UV index is June (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Dawn, TX
- Average cloud cover in September: 21
The months with the most cloud cover are February and December (Cloud cover 22).
The month with the least cloud cover is June (Cloud cover 14).
Average visibility in September
Dawn, 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).





