September weather forecast
Mexia, TX

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Weather in September

The first month of the autumn, September, is also a hot month in Mexia, Texas, with temperature in the range of an average low of 69.6°F (20.9°C) and an average high of 88.3°F (31.3°C).

Temperature

A mild drop in Mexia's average high-temperature is observed in September, transitioning from a torrid 95.5°F (35.3°C) in August to a tropical 88.3°F (31.3°C). Throughout September, the temperature falls to an average low of 69.6°F (20.9°C).

Heat index

Throughout September, the heat index is computed to be a fiery hot 100.4°F (38°C). Undertake enhanced precautions, heat exhaustion and heat cramps are possible risks. Continuous activity could trigger heatstroke.
Metrics for the heat index primarily focus on shaded spots and light wind conditions. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. With higher relative humidity, the rate of evaporation is reduced, resulting in increased heat retention in the body compared to drier air. Heat disorders may be on the horizon when body temperatures rise from inadequate heat management.

Humidity

The average relative humidity in September in Mexia, Texas, is 68%.

Rainfall

In Mexia, Texas, in September, during 13.5 rainfall days, 1.65" (42mm) of precipitation is typically accumulated. Throughout the year, there are 124.9 rainfall days, and 17.36" (441mm) of precipitation is accumulated.

Snowfall

In Mexia, snow does not fall in March through December.

Daylight

In September, the average length of the day in Mexia is 12h and 21min.
On the first day of September, sunrise is at 7:02 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 7:11 pm CDT.

Sunshine

In Mexia, the average sunshine in September is 8.4h.

UV index

In September, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the average person.
Note: The maximum daily UV index of 6 in September converts into the following recommendations:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
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 Mexia in September?

Mexia in September has an average high-temperature of 88.3°F (31.3°C) and an average low-temperature of 69.6°F (20.9°C). In September, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is computed to be 100.4°F (38°C).

What is the average humidity in September in Mexia?

In September, the average relative humidity in Mexia is 68%.

How much does it rain in Mexia in September?

In Mexia, Texas, in September, it is raining for 13.5 days, with typically 1.65" (42mm) of accumulated precipitation.

When it does not snow in Mexia?

In Mexia, snow does not fall in March through December.

How many hours of daylight does Mexia have in September?

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

What time are sunrise and sunset in September in Mexia?

On the first day of September in Mexia, Texas, sunrise is at 7:02 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 7:11 pm CDT.

How long on average sun shines in September in Mexia?

In September, the average sunshine duration in Mexia is 8.4h.

What is the UV index reading in September in Mexia?

The average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health risk 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
Mexia, TX

Average temperature in September - Mexia, TX
  • Average high temperature in September: 88.3°F

The warmest month (with the highest average high temperature) is August (95.5°F).
The month with the lowest average high temperature is January (56.1°F).

  • Average low temperature in September: 69.6°F

The month with the highest average low temperature is August (74.8°F).
The coldest month (with the lowest average low temperature) is January (40.3°F).

Average pressure in September
Mexia, TX

Average pressure in September - Mexia, TX
  • Average pressure in September: 29.97"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in September
Mexia, TX

Average wind speed in September - Mexia, TX
  • Average wind speed in September: 6.3mph

The windiest month (with the highest average wind speed) is March (9.9mph).
The calmest month (with the lowest average wind speed) is September (6.3mph).

Average humidity in September
Mexia, TX

Average humidity in September - Mexia, TX
  • Average humidity in September: 68%

The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is August (62%).

Average rainfall in September
Mexia, TX

Average rainfall in September - Mexia, TX
  • Average rainfall in September: 1.65"

The wettest month (with the highest rainfall) is May (2.36").
The driest month (with the least rainfall) is November (0.79").

Average rainfall days in September
Mexia, TX

Average rainfall days in September - Mexia, TX
  • Average rainfall days in September: 13.5 days

The month with the highest number of rainy days is May (13.7 days).
The month with the least rainy days is January (6 days).

Average snowfall in September
Mexia, TX

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

The month with the highest snowfall is February (0.2").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").

Average snowfall days in September
Mexia, TX

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

The month with the highest number of snowfall days is February (0.9 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).

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

Average daylight in September / Average sunshine in September - Mexia, 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 2min

The month with the most sunshine is August (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).

Average sunshine days in September
Mexia, TX

Average sunshine days in September - Mexia, TX
  • Average sunshine days in September: 14.5 days

The month with the most sunshine days is January (23.2 days).
The month with the least sunshine days is May (14.3 days).

Average UV index in September
Mexia, TX

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

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

Average cloud cover in September
Mexia, TX

Average cloud cover in September - Mexia, TX
  • Average cloud cover in September: 31

The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 23).

Average visibility in September
Mexia, TX

Average visibility in September - Mexia, 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).

Mexia, Texas, USA

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