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Sea Temperature in Galveston in September
Complete information on the sea temperature range in the Gulf of Mexico (Gulf of America) in Galveston in September. Historical daily data. Climate details for September. Tips on swimming conditions and beach relaxation in Galveston. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.
Water Temperature Range in Galveston in September
25°C
MINIMUN
28.5°C
AVERAGE
32°C
MAXIMUM
Historical Data of Water Temperature in September in Galveston
Water Temperature Chart for Gulf of Mexico (Gulf of America) in Galveston in September
Sea Temperature Table in Galveston in September Over the Past Years
| Day | 2024 | 2023 | 2022 | Average |
|---|---|---|---|---|
| Sep 1 | 31°C | 30°C | 30°C | 30.3°C |
| Sep 2 | 31°C | 30°C | 30°C | 30.3°C |
| Sep 3 | 31°C | 30°C | 30°C | 30.0°C |
| Sep 4 | 31°C | 30°C | 30°C | 30.0°C |
| Sep 5 | 31°C | 30°C | 29°C | 29.8°C |
| Sep 6 | 31°C | 30°C | 29°C | 29.8°C |
| Sep 7 | 30°C | 30°C | 29°C | 29.3°C |
| Sep 8 | 30°C | 30°C | 29°C | 29.5°C |
| Sep 9 | 30°C | 31°C | 29°C | 29.5°C |
| Sep 10 | 30°C | 30°C | 28°C | 29.0°C |
| Sep 11 | 29°C | 30°C | 28°C | 28.5°C |
| Sep 12 | 29°C | 30°C | 28°C | 28.5°C |
| Sep 13 | 28°C | 30°C | 28°C | 28.3°C |
| Sep 14 | 27°C | 30°C | 28°C | 28.3°C |
| Sep 15 | 27°C | 30°C | 27°C | 28.0°C |
| Sep 16 | 28°C | 31°C | 27°C | 28.3°C |
| Sep 17 | 28°C | 30°C | 27°C | 28.0°C |
| Sep 18 | 29°C | 29°C | 27°C | 28.3°C |
| Sep 19 | 29°C | 29°C | 27°C | 28.5°C |
| Sep 20 | 29°C | 28°C | 26°C | 27.8°C |
| Sep 21 | 29°C | 28°C | 26°C | 28.0°C |
| Sep 22 | 27°C | 29°C | 26°C | 27.5°C |
| Sep 23 | 26°C | 27°C | 26°C | 27.0°C |
| Sep 24 | 26°C | 28°C | 26°C | 27.3°C |
| Sep 25 | 27°C | 27°C | 25°C | 27.3°C |
| Sep 26 | 27°C | 27°C | 25°C | 27.0°C |
| Sep 27 | 28°C | 28°C | 25°C | 27.5°C |
| Sep 28 | 27°C | 27°C | 25°C | 27.0°C |
| Sep 29 | 27°C | 28°C | 25°C | 27.3°C |
Galveston Climate and Swimming Opportunities in September
31°C
Average Day Air Temperature
23°C
Average Night Air Temperature
147 mm
Precipitation Amount per Month
11 days
Number of Rainy Days
12 hrs
Daylight
per Day
8 hrs
Sunshine
per Day
15 km/h
Average Wind Speed
78%
Average
humidity
Galveston lies within the Texas in United States. The average daytime temperature in Galveston in September is 88°F (31°C), while the nighttime average is 73°F (23°C). There are typically 11 rainy days during the month, with a total precipitation of 5.8 inches (147 mm). The daylight duration in September in Galveston is 12 hours, with an average of 8 hours of sunshine per day. The average wind speed in September is 9 mph (15 km/h), and the humidity level is around 78%.
The water temperature in Galveston in September ranges from 81°F to 86°F (27°C to 30°C). At the beginning of the month, the average temperature is around 86°F (30°C), shifting to 82°F (28°C) by mid-September and reaching 81°F (27°C) in the last ten days. Overall, the average sea temperature in Galveston for September is 84°F (29°C). The water is almost like a bath, perfect for those who prefer very warm conditions. However, it may not be as refreshing on extremely hot days.
Sea Temperature in September in Nearby Cities
Frequently Asked Questions About Water Temperatures in September in Galveston
What is the sea temperature in Galveston in September?
The water temperature in the Gulf of Mexico (Gulf of America) in Galveston in September ranges from 81°F to 86°F (27°C to 30°C).
Is it possible to swim in the Gulf of Mexico (Gulf of America) in Galveston in September?
The average sea temperature in Galveston in September is 84°F (29°C), and the air temperature is 88°F (31°C), so the water is almost like a bath, perfect for those who prefer very warm conditions. However, it may not be as refreshing on extremely hot days.