Corpus Christi weather in September 2025

Q: How hot is it in Corpus Christi in September?

Daytime temperatures usually reach 32°C in Corpus Christi in September with very high heat and humidity, falling to 23°C at night.

Q: How sunny is it in Corpus Christi in September?

There are normally 8 hours of bright sunshine each day in Corpus Christi in September - that's 66% of daylight hours.

Q: How warm is the sea around Corpus Christi in September?

The average sea temperature around Corpus Christi in September is 28°C.

Q: Does it rain in Corpus Christi in September?

There are usually 9 days with some rain in Corpus Christi in September and the average monthly rainfall is 139mm.

Q: What is the chance of a cyclone in Corpus Christi in September?

On average less than 1 day in September in Corpus Christi is likely to be affected by the passage of one or more tropical storms.

Expect 32°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Corpus Christi in September. Check more long-term weather averages for Corpus Christi in September before you book your next holiday to Texas in 2025/2026.

32
32°C max day temperature
8
8 hours of sunshine per day
9
9 days with some rainfall
23
23°C min night temperature
12
12 hours of daylight per day
VH
Very High heat & humidity
139
139 mm of monthly rainfall
10
10 (Very High) UV index
28
28°C sea temperature

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The September weather guide for Texas (Corpus Christi) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm) | Imperial (°F / inches)

More about the USA

How hot is it in Corpus Christi in September?

Daytime temperatures usually reach 32°C in Corpus Christi in September with very high heat and humidity, falling to 23°C at night.

How sunny is it in Corpus Christi in September?

There are normally 8 hours of bright sunshine each day in Corpus Christi in September - that's 66% of daylight hours.

How warm is the sea around Corpus Christi in September?

The average sea temperature around Corpus Christi in September is 28°C.

Does it rain in Corpus Christi in September?

There are usually 9 days with some rain in Corpus Christi in September and the average monthly rainfall is 139mm.

What is the chance of a hurricane in Corpus Christi in September?

On average less than 1 day in September in Corpus Christi is likely to be affected by the passage of one or more tropical storms.

Corpus Christi September sunrise & sunset times

Browse the sunrise and sunset times for Corpus Christi in September 2025. Select a month to view Corpus Christi sunrise and sunset times for the next 12 months.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Date	Sunrise times	Sunset times
Monday, 1st September 2025	06:09	18:50
Monday, 15th September 2025	06:15	18:34
Tuesday, 30th September 2025	06:22	18:16

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