September weather forecastPost, TX
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Post, Texas, with temperature in the range of an average low of 65.5°F (18.6°C) and an average high of 85.1°F (29.5°C).Temperature
In Post, the average high-temperature in September drops from a hot 94.1°F (34.5°C) in August to a warm 85.1°F (29.5°C). September in Post generally records an average low-temperature of 65.5°F (18.6°C).Heat index
For most parts of September, the heat index is calculated to be a hot 87.8°F (31°C). If one continues to be active during enduring exposure, it could result in fatigue and heat cramps.From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'feels like' or 'felt air temperature', marries air temperature and humidity to produce a value illustrating perceived warmth. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. 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 remain especially vital for babies and toddlers. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.
Humidity
September is the most humid month, with an average relative humidity of 56%.Rainfall
September is the month with the most rainfall. Rain falls for 12.3 days and accumulates 2.48" (63mm) of precipitation.Snowfall
In Post, 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 in Post, sunrise is at 7:20 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 7:30 pm CDT.
Sunshine
The average sunshine in September is 8.9h.UV index
The average daily maximum UV index in September in Post is 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the average person.Note: In September, a daily maximum UV index of 6 leads to the following instructions:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Post, TX
- Average high temperature in September: 85.1°F
The warmest month (with the highest average high temperature) is August (94.1°F).
The month with the lowest average high temperature is December (54°F).
- Average low temperature in September: 65.5°F
The month with the highest average low temperature is July (73.6°F).
The coldest month (with the lowest average low temperature) is January (35.4°F).
Average pressure in September
Post, 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 (29.84"Hg).
Average wind speed in September
Post, TX
- Average wind speed in September: 9.6mph
The windiest month (with the highest average wind speed) is April (13.1mph).
The calmest months (with the lowest average wind speed) are August and September (9.6mph).
Average humidity in September
Post, TX
- Average humidity in September: 56%
The month with the highest relative humidity is September (56%).
The month with the lowest relative humidity is April (42%).
Average rainfall in September
Post, TX
- Average rainfall in September: 2.48"
The wettest month (with the highest rainfall) is September (2.48").
The driest month (with the least rainfall) is February (0.43").
Average rainfall days in September
Post, TX
- Average rainfall days in September: 12.3 days
The month with the highest number of rainy days is September (12.3 days).
The month with the least rainy days is January (2.9 days).
Average snowfall in September
Post, TX
- Average snowfall in September: 0"
The months with the highest snowfall are February and December (1.3").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Post, TX
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Post, 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 54min
The month with the most sunshine is June (Average sunshine: 11h and 36min).
The months with the least sunshine are November and December (Average sunshine: 6h and 48min).
Average sunshine days in September
Post, TX
- Average sunshine days in September: 15.7 days
The month with the most sunshine days is January (27.8 days).
The month with the least sunshine days is September (15.7 days).
Average UV index in September
Post, TX
- Average UV index in September: 6
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Post, TX
- Average cloud cover in September: 25
The month with the most cloud cover is September (Cloud cover 25).
The months with the least cloud cover are June and August (Cloud cover 15).
Average visibility in September
Post, 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).
