Galveston in september: average Weather, Temperature and Climate
Weather in Galveston in september 2025
The weather in Galveston in the month of september comes from statistical datas on the past years. You can view the weather statistics the entire month, but also by clicking on the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
tolerable weather UV index: 7
Weather at 6am
81°F
Clear/Sunny
32% of time
26%
23%
16%
Weather at 12pm
85°F
Clear/Sunny
37% of time
25%
19%
17%
Weather at 6pm
83°F
Clear/Sunny
51% of time
22%
17%
9%
Weather at 3am
81°F
34%
29%
23%
14%
Evolution of daily average temperature and precipitation in Galveston in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Galveston in september.
The climate of Galveston in september is tolerable
In september in Galveston, the climate is wet (with 11.1in of rainfall over 13 days). The weather's not getting better compared to the previous month since in august there is an average of 9.3in of rainfall over 12 days.
The climate enjoyable around this city this month. The high seasonal norm is 86°F. On average, the recorded minimum temperature is 81°F. Thus, the mean temperature average on this month of september in Galveston is 83°F. These temperatures are far removed from those records observed in Galveston in the month of september with a maximum record of 92°F in 2021 and a minimum record of 67°F in 2010. You can plan to have about 12 days with temperatures above 86°F, or 40 of time.
In september in Galveston, the days on average last 12:20. The sun rises at 06:04 and sets at 18:24.
With a good climate, september is recommended to go in this locality in United States.
Galveston: another month?
If you can push back the dates of your trip, we advise you to go in october to Galveston. more information
If you can push the dates of your trip to Galveston forward, the month of october has a better weather forecast than september. more information
September: another location in the United States (USA)?
If you want to go to the United States (USA) in september, there are destinations with better weather than Galveston:
In september, Grand Canyon, Hawaii (Honolulu), Las Vegas, Seattle, Denver and Minneapolis (Minnesota) have perfect weather.
Furthermore, California, Louisiana, Washington D. C., Atlanta, Boston and Chicago have good weather.
Seasonal average climate and temperature of Galveston in september
Check below seasonal norms These statistics are generated from the weather statements earlier years of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 83°F | ||||
| Highest temperature | 86°F | ||||
| Lowest temperature | 81°F | ||||
| Highest record temperature | 92°F (2021) | ||||
| Lowest record temperature | 67°F (2010) | ||||
| Number of days at +86°F | 12 day(s) (40%) | ||||
| Number of days at +65°F | 30 day(s) (100%) | ||||
| Sea temperature | |||||
| Average sea temperature | 85°F | ||||
| Lowest sea temperature | 80°F | ||||
| Highest sea temperature | 89°F | ||||
| Wind | |||||
| Wind speed | 20km/h | ||||
| Wind temperature | 81°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 11.1in | ||||
| Number of days with rainfall | 13 day(s) (43%) | ||||
| Record daily rainfall | 3.8in (2013) | ||||
| Other climate data | |||||
| Humidity | 79% | ||||
| Visibility | 9.22km | ||||
| Cloud cover | 30% | ||||
| UV index | 7 | ||||
| Daily sunshine hours | 12 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:04 | ||||
| Time of sunset | 18:24 | ||||
| Length of day | 12:20 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | tolerable | ||||
How was the weather last september?
Here is the day by day recorded weather in Galveston in september 2024:
77°F to 83°F
77°F to 83°F
77°F to 86°F
77°F to 81°F
76°F to 81°F
76°F to 83°F
74°F to 86°F
72°F to 85°F
68°F to 85°F
74°F to 83°F
74°F to 79°F
72°F to 83°F
72°F to 88°F
76°F to 92°F
76°F to 90°F
76°F to 92°F
79°F to 94°F
77°F to 90°F
77°F to 94°F
77°F to 94°F
77°F to 90°F
79°F to 88°F
79°F to 88°F
79°F to 88°F
77°F to 90°F
74°F to 90°F
70°F to 90°F
70°F to 95°F
72°F to 92°F
76°F to 94°F
Map: other cities in the United States (USA) in september
Cities near Galveston:
| Houston in september | good weather |
| Port Aransas in september | good weather |
| Corpus Christi in september | good weather |
| Austin in september | good weather |
| Louisiana in september | good weather |
| Waco (Texas) in september | good weather |
| San Antonio (Texas) in september | good weather |
| South Padre Island in september | good weather |
| Dallas in september | good weather |
| McAllen in september | good weather |
| Biloxi in september | tolerable weather |
| Mississippi in september | good weather |
Click over cities on the map for information about the weather in september.
Galveston
perfect weather
good
tolerable
bad
very bad
Weather data for Galveston in september:
Weather data for Galveston for september are derived from an average of the weather forecast since 2009 in Galveston. There is a margin of error and these forecasts are to be considered as general information only. The weather in Galveston can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Galveston.