Marfa

Texas Weather in September

Average temperatures, rainfall, sunshine and the best places to visit in Texas, the United States of America in September.

Thinking about venturing to Texas, the United States of America this September and curious about the weather conditions to expect? This page holds all the key information you seek, responding to your question:

What to Expect in Texas in September

Texas, the United States of America is a region in the United States of America. September in Texas generally has temperatures that range from warm to very warm, with precipitation levels ranging from moderate to heavy.

Temperatures

The average highest temperatures fluctuate between warm in Fort Davis at 28°C (82°F) to very warm in Laredo at 35°C (95°F). Nighttime temperatures generally drop to 23°C (73°F) in Laredo and 14°C (57°F) in Fort Davis. The temperatures cited for both day and night represent usual averages, but it's possible some days could be hotter. It's advisable to dress accordingly to handle the heat.

To explore the conditions in Texas, the United States of America in more detail, check the map below.

Precipitation

In September, precipitation varies across different areas. From moderate rainfall in Terlingua with an average of 35 mm (1.4 in) to heavy rainfall in Brownsville with 180 mm (7.1 in).

Average sunshine

Several destinations enjoy plenty of sunshine this month. Houston sees close to 235 hours of sunlight, making it great for sun lovers.

Explore Texas by month

Pick a month to see the average temperature, rainfall and sunshine in Texas — and find the best time to visit. (based on Houston)

Best Places to Visit in Texas in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Texas.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Texas

What is the weather like in September for some of the most popular destinations in Texas, the United States of America?

Temperature range in Texas (September)

Precipitation variation in Texas (September)

Houston

In September Houston generally has very high temperatures with maximum daytime temperatures around 32°C (90°F), minimum nighttime temperatures around 23°C (73°F) and high monthly rainfall. So on average the conditions are tolerable that month.

August
September
October
Max temperature
35°C (95°F)
32°C (90°F)
28°C (82°F)
Min temperature
25°C (77°F)
23°C (73°F)
17°C (63°F)
Monthly sun hours
270 hours
235 hours
225 hours
Monthly rainfall
148 mm (5.8 in)
157 mm (6.2 in)
156 mm (6.1 in)
Monthly rainy days
14 days
13 days
7 days
Weather conditions

San Antonio

In September San Antonio generally has very high temperatures with maximum daytime temperatures around 33°C (91°F), minimum nighttime temperatures around 21°C (70°F) and high monthly rainfall. So on average the conditions are tolerable that month.

August
September
October
Max temperature
36°C (97°F)
33°C (91°F)
29°C (84°F)
Min temperature
24°C (75°F)
21°C (70°F)
16°C (61°F)
Monthly sun hours
295 hours
235 hours
220 hours
Monthly rainfall
65 mm (2.6 in)
102 mm (4 in)
79 mm (3.1 in)
Monthly rainy days
5 days
9 days
6 days
Weather conditions

Austin

In September Austin generally has very high temperatures with maximum daytime temperatures around 33°C (91°F), minimum nighttime temperatures around 21°C (70°F) and high monthly rainfall. So on average the conditions are tolerable that month.

August
September
October
Max temperature
37°C (99°F)
33°C (91°F)
28°C (82°F)
Min temperature
24°C (75°F)
21°C (70°F)
15°C (59°F)
Monthly sun hours
298 hours
234 hours
216 hours
Monthly rainfall
42 mm (1.7 in)
106 mm (4.2 in)
114 mm (4.5 in)
Monthly rainy days
6 days
8 days
6 days
Weather conditions

Galveston

In September Galveston generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 25°C (77°F) and high monthly rainfall. So on average the conditions are tolerable that month.

August
September
October
Max temperature
33°C (91°F)
31°C (88°F)
27°C (81°F)
Min temperature
27°C (81°F)
25°C (77°F)
20°C (68°F)
Monthly sun hours
282 hours
239 hours
239 hours
Monthly rainfall
123 mm (4.8 in)
158 mm (6.2 in)
117 mm (4.6 in)
Monthly rainy days
13 days
13 days
7 days
Weather conditions

Dallas

In September Dallas generally has very high temperatures with maximum daytime temperatures around 32°C (90°F), minimum nighttime temperatures around 21°C (70°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

August
September
October
Max temperature
36°C (97°F)
32°C (90°F)
26°C (79°F)
Min temperature
25°C (77°F)
21°C (70°F)
14°C (57°F)
Monthly sun hours
305 hours
248 hours
230 hours
Monthly rainfall
57 mm (2.2 in)
95 mm (3.7 in)
105 mm (4.1 in)
Monthly rainy days
6 days
6 days
6 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Texas, in the United States of America.

Popular cities in September

Day & night temperatures, rainfall and average weather in Texas in September.

City Weather Day temp Night temp Rainfall
Houston 32°C (90°F) 23°C (73°F) 157 mm (6.2 in)
San Antonio 33°C (91°F) 21°C (70°F) 102 mm (4 in)
Austin 33°C (91°F) 21°C (70°F) 106 mm (4.2 in)
Galveston 31°C (88°F) 25°C (77°F) 158 mm (6.2 in)
Dallas 32°C (90°F) 21°C (70°F) 95 mm (3.7 in)
Fort Worth 32°C (90°F) 21°C (70°F) 93 mm (3.7 in)

Texas weather in September: frequently asked questions

What is the weather like in Texas, the United States of America in September?

September in Texas, the United States of America brings unpleasant weather. In Houston, daytime temperatures are typically around 32°C (90°F) and nighttime lows hover near 23°C (73°F).

What is the average temperature in Texas, the United States of America in September?

Average temperatures in Texas, the United States of America during September range from a nighttime low near 23°C (73°F) to a daytime high around 32°C (90°F) in Houston.

Does Texas, the United States of America get a lot of rain in September?

Texas, the United States of America sees substantial rainfall in September. Houston typically averages about 157 mm (6.2 in), a mix of wet and dry days, but bring an umbrella.

Is September a Good Time to Visit Texas, the United States of America?

Given the typically tolerable weather conditions in Houston, September might be a good time to visit Texas, the United States of America.

On average, the best time to visit Texas, the United States of America is in March with generally perfect weather in Houston. On the other hand, the weather in June, July and August tend to be poor.

Interested in more climate information?

We have much more information about the climate in Texas.

Weather and climate has detailed information for every country in the world. Are you going to the United States of America? Get detailed historical weather averages for many cities in the United States of America.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.