September weather forecast
Abilene, TX

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Downtown Abilene in Texas, tall and brown city buildings seen under the clear and blue sky
Downtown Abilene in Texas, tall and brown city buildings seen under the clear and blue sky

Weather in September

The arrival of September in Abilene, Texas, signifies a relief from the stifling summer heat. Marking the commencement of fall, the temperatures start to retreat from their summer peak. Transitioning from August, the city experiences a significant drop to its lowest rainfall level since May, at approximately 2.13" (54mm). This dip in rainfall reflects the waning summer season. On the whole, September serves as a brief respite from the harsh Texas heat, introducing the initial traces of pleasant fall weather.

Temperature

Transitioning from August to September involves a subtle drop in average high-temperatures, descending from a torrid 95.5°F (35.3°C) to a tropical 86.9°F (30.5°C). September nights are marked by an average temperature drop to a pleasant 68.5°F (20.3°C).

Heat index

The heat index for September is appraised at a hot 91.4°F (33°C). Implement additional cautionary measures, heat cramps and heat exhaustion could occur. Prolonged activity might induce heatstroke.
Remember that heat index calculations are made for conditions in the shade with light wind. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are highly critical for babies and toddlers. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.

Humidity

The average relative humidity in September in Abilene is 58%.

Rainfall

September is the month with the most rainfall. Rain falls for 11.2 days and accumulates 2.13" (54mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

In Abilene, the average length of the day in September is 12h and 22min.
On the first day of the month, sunrise is at 7:14 am and sunset at 8:02 pm. On the last day of September, sunrise is at 7:32 am and sunset at 7:24 pm CDT.

Sunshine

In September, the average sunshine is 8.7h.

UV index

The average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: During September, 6 as the daily maximum UV index converts into the following advice:
Fend off overexposure. Sun protection is vital. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Updated: Jul 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it hot during September?

Abilene in September has an average high-temperature of 86.9°F (30.5°C) and an average low-temperature of 68.5°F (20.3°C). In September, the average heat index (a.k.a. 'real feel', 'feels like'), which combines air temperature and relative humidity, is appraised at 91.4°F (33°C).

What is the average humidity in September?

The average relative humidity in September in Abilene is 58%.

What is the rainiest month?

The month with the most rainfall is September, when the rain falls for 11.2 days and typically aggregates up to 2.13" (54mm) of precipitation.

How many days does it rain in September?

In September, the rain falls for 11.2 days. Throughout September, 2.13" (54mm) of precipitation is accumulated.

When it does not snow?

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

How many hours of daylight does Abilene have in September?

In September, the average day length is 12h and 22min.

What time are sunrise and sunset in September?

On the first day of September, sunrise is at 7:14 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 7:24 pm CDT.

How long on average sun shines in September?

The average sunshine duration in September is 8.7h.

What is the UV index reading in September?

In Abilene, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe 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
Abilene, TX

Average temperature in September - Abilene, TX
  • Average high temperature in September: 86.9°F

The warmest month (with the highest average high temperature) is August (95.5°F).
The months with the lowest average high temperature are January and December (56.3°F).

  • Average low temperature in September: 68.5°F

The month with the highest average low temperature is August (75°F).
The coldest month (with the lowest average low temperature) is January (37.9°F).

Average pressure in September
Abilene, TX

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

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

Average wind speed in September
Abilene, TX

Average wind speed in September - Abilene, TX
  • Average wind speed in September: 9.5mph

The windiest month (with the highest average wind speed) is April (13.7mph).
The calmest month (with the lowest average wind speed) is September (9.5mph).

Average humidity in September
Abilene, TX

Average humidity in September - Abilene, TX
  • Average humidity in September: 58%

The month with the highest relative humidity is May (59%).
The month with the lowest relative humidity is August (47%).

Average rainfall in September
Abilene, TX

Average rainfall in September - Abilene, TX
  • Average rainfall in September: 2.13"

The wettest month (with the highest rainfall) is September (2.13").
The driest months (with the least rainfall) are January and February (0.71").

Average rainfall days in September
Abilene, TX

Average rainfall days in September - Abilene, TX
  • Average rainfall days in September: 11.2 days

The month with the highest number of rainy days is May (11.7 days).
The month with the least rainy days is January (3.8 days).

Average snowfall in September
Abilene, TX

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

The month with the highest snowfall is February (0.91").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in September
Abilene, TX

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

The month with the highest number of snowfall days is February (1.6 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
Abilene, TX

Average daylight in September / Average sunshine in September - Abilene, 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 24min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).

Average sunshine days in September
Abilene, TX

Average sunshine days in September - Abilene, TX
  • Average sunshine days in September: 17.2 days

The month with the most sunshine days is January (25.7 days).
The month with the least sunshine days is May (16.3 days).

Average UV index in September
Abilene, TX

Average UV index in September - Abilene, 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 3).

Average cloud cover in September
Abilene, TX

Average cloud cover in September - Abilene, TX
  • Average cloud cover in September: 27

The month with the most cloud cover is March (Cloud cover 28).
The month with the least cloud cover is August (Cloud cover 17).

Average visibility in September
Abilene, TX

Average visibility in September - Abilene, 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).

Abilene, Texas, USA

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