September weather forecast
Coleman, TX

Share

Weather in September

September, the first month of the autumn in Coleman, is also a hot month, with an average temperature fluctuating between 87.1°F (30.6°C) and 68.7°F (20.4°C).

Temperature

A subtle shift in Coleman's weather is observed as August turns into September, with the average high temperature reducing from a very hot 95.4°F (35.2°C) to a hot 87.1°F (30.6°C). During the month of September, an average temperature of 68.7°F (20.4°C) is noted during the nights.

Heat index

For most parts of September, the heat index is appraised at a tropical 93.2°F (34°C). Additional precautions are required to avert heat cramps and heat exhaustion. Persistent activity may culminate in heatstroke.
Heat index's context suggests values are appropriate for shady areas and slight breezes. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'apparent temperature' or 'feels like', measures the perceived warmth when incorporating the humidity present in the air. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.

Humidity

The average relative humidity in September in Coleman is 59%.

Rainfall

In September, the rain falls for 12.5 days. Throughout September, 1.85" (47mm) of precipitation is accumulated. Throughout the year, there are 108.9 rainfall days, and 18.19" (462mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall.

Daylight

In September, the average length of the day is 12h and 21min.
On the first day of September, sunrise is at 7:13 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 7:23 pm CDT.

Sunshine

In September, the average sunshine is 8.7h.

UV index

In Coleman, 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 daily high UV index of 6 in September leads to these guidelines:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Updated: Jul 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in September?

An average high-temperature, in September, in Coleman, is 87.1°F (30.6°C) and the average low-temperature is 68.7°F (20.4°C). In September, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, is appraised at 93.2°F (34°C).

What is the average humidity in September in Coleman?

In September, the average relative humidity is 59%.

How much does it rain in September?

In September, the rain falls for 12.5 days. Throughout September, 1.85" (47mm) of precipitation is accumulated.

When it does not snow in Coleman?

April through October are months without snowfall.

How many hours of daylight does Coleman have in September?

In Coleman, the average day length in September is 12h and 21min.

What time are sunrise and sunset in September?

On the first day of September, sunrise is at 7:13 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 7:23 pm CDT.

How many hours of sunshine does Coleman have in September?

In Coleman, the average sunshine duration in September is 8.7h.

How high is the UV index in September?

In September, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health from exposure to the Sun's UV radiation.
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
Coleman, TX

Average temperature in September - Coleman, TX
  • Average high temperature in September: 87.1°F

The warmest month (with the highest average high temperature) is August (95.4°F).
The month with the lowest average high temperature is December (56.8°F).

  • Average low temperature in September: 68.7°F

The month with the highest average low temperature is August (74.7°F).
The coldest month (with the lowest average low temperature) is January (38.8°F).

Average pressure in September
Coleman, TX

Average pressure in September - Coleman, TX
  • Average pressure in September: 29.96"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The months with the lowest atmospheric pressure are May and June (29.88"Hg).

Average wind speed in September
Coleman, TX

Average wind speed in September - Coleman, TX
  • Average wind speed in September: 8.6mph

The windiest month (with the highest average wind speed) is April (12.4mph).
The calmest month (with the lowest average wind speed) is September (8.6mph).

Average humidity in September
Coleman, TX

Average humidity in September - Coleman, TX
  • Average humidity in September: 59%

The month with the highest relative humidity is May (63%).
The month with the lowest relative humidity is August (49%).

Average rainfall in September
Coleman, TX

Average rainfall in September - Coleman, TX
  • Average rainfall in September: 1.85"

The wettest month (with the highest rainfall) is October (2.52").
The driest month (with the least rainfall) is January (0.71").

Average rainfall days in September
Coleman, TX

Average rainfall days in September - Coleman, TX
  • Average rainfall days in September: 12.5 days

The month with the highest number of rainy days is May (12.8 days).
The month with the least rainy days is January (5.3 days).

Average snowfall in September
Coleman, TX

Average snowfall in September - Coleman, TX
  • Average snowfall in September: 0"

The month with the highest snowfall is February (0.71").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in September
Coleman, TX

Average snowfall days in September - Coleman, TX
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (1.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in September /
Average sunshine in September
Coleman, TX

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

The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).

  • Average sunshine in September: 8h and 4min

The month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 6h and 6min).

Average sunshine days in September
Coleman, TX

Average sunshine days in September - Coleman, TX
  • Average sunshine days in September: 15.5 days

The month with the most sunshine days is January (24.1 days).
The month with the least sunshine days is May (15.2 days).

Average UV index in September
Coleman, TX

Average UV index in September - Coleman, TX
  • Average UV index in September: 6

The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).

Average cloud cover in September
Coleman, TX

Average cloud cover in September - Coleman, TX
  • Average cloud cover in September: 28

The months with the most cloud cover are March and May (Cloud cover 31).
The month with the least cloud cover is August (Cloud cover 18).

Average visibility in September
Coleman, TX

Average visibility in September - Coleman, 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).

Coleman, Texas, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location