September weather forecast
Coleman, TX

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Weather in September

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

Temperature

With the onset of September, Coleman's average high-temperature slightly adjusts, moderately receding from August's fiery hot 95.4°F (35.2°C) to a hot 87.1°F (30.6°C). In the month of September, an average of 68.7°F (20.4°C) marks the low-temperature in Coleman.

Heat index

The average heat index in September is calculated to be a hot 93.2°F (34°C). Undertake additional precautions, heat cramps and heat exhaustion could happen. Heatstroke could occur from sustained activity.
Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', offers an insight into how hot it feels when we factor in moisture content. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.

Humidity

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

Rainfall

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

Snowfall

In Coleman, snow does not fall in April through October.

Daylight

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

The average sunshine in September in Coleman is 8.7h.

UV index

The average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 6 in September interprets into the following recommendations:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
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Frequently asked questions

How hot does it get in Coleman in September?

During September, Coleman experiences an average high-temperature of 87.1°F (30.6°C) and a low-temperature of 68.7°F (20.4°C). The average heat index (a.k.a. 'feels like', 'real feel'), which factors the actual air temperature with the relative humidity, in September is calculated to be 93.2°F (34°C).

What is the average humidity in September in Coleman?

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

How much does it rain in Coleman in September?

In Coleman, in September, it is raining for 12.5 days, with typically 1.85" (47mm) of accumulated precipitation.

When it does not snow in Coleman?

April through October are months without snowfall in Coleman, Texas.

How many hours of daylight does Coleman have in September?

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

What time are sunrise and sunset in September in Coleman?

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

How many hours of sunshine does Coleman have in September?

The average sunshine duration in September is 8.7h.

What is the UV index reading in September in Coleman?

The average daily maximum UV index in September in Coleman is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to 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).

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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).

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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).

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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%).

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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").

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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).

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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").

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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).

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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).

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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).

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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).

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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).

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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).

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Coleman, Texas, USA

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