September weather forecast
Post, TX

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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.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot does it get in Post in September?

During September, Post experiences an average high-temperature of 85.1°F (29.5°C) and a low-temperature of 65.5°F (18.6°C). In September, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is calculated to be 87.8°F (31°C).

What is the most humid month in Post?

September is the most humid month in Post, Texas, with an average relative humidity of 56%.

What is the average humidity in September in Post?

In Post, the average relative humidity in September is 56%.

What is the rainiest month in Post?

The month with the most rainfall in Post, Texas, is September, when the rain falls for 12.3 days and typically aggregates up to 2.48" (63mm) of precipitation.

How many days does it rain in September in Post?

In Post, during September, the rain falls for 12.3 days and regularly aggregates up to 2.48" (63mm) of precipitation.

When it does not snow in Post?

April through October are months without snowfall.

How many hours of daylight does Post have in September?

The average day length in September in Post is 12h and 22min.

What time are sunrise and sunset in September in Post?

In September, on the first day of the month, 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.

How long on average sun shines in September in Post?

In Post, the average sunshine duration in September is 8.9h.

What is the UV index intensity in September in Post?

The average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Post, TX

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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 / Average sunshine in September - Post, TX
  • Average daylight in September: 12h and 2min

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 5min

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 - 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 - 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 - 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 - 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).

Post, Texas, USA

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