Port Sulphur in september: average Weather, Temperature and Climate
Weather in Port Sulphur in september 2025
The weather in Port Sulphur in the month of september comes from statistical datas on the last years. You can view the weather statistics for the whole month, but also navigating through the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
good weather UV index: 7
Weather at 6am
79°F
Clear/Sunny
47% of time
24%
21%
6%
Weather at 12pm
86°F
Clear/Sunny
46% of time
25%
21%
6%
Weather at 6pm
83°F
Clear/Sunny
57% of time
19%
17%
6%
Weather at 3am
79°F
48%
23%
22%
7%
Evolution of daily average temperature and precipitation in Port Sulphur in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Port Sulphur in september.
The climate of Port Sulphur in september is good
The climate in september in Port Sulphur is wet (with 6.7in of precipitation over 10 days). It should be noted an improvement from the previous month since in august it receives an average of 11.1in of rainfall over 16 days.
The climate enjoyable in this city the month of september. Temperatures are up to 86°F. On average, the recorded minimum temperature is 79°F. Thus, the mean temperature average on this month of september in Port Sulphur is 83°F. These temperatures are far removed from those records observed in Port Sulphur in september with a maximum record of 94°F in 2019 and a minimum record of 61°F in 2020. You can expect to have about 17 days with temperatures above 86°F, or 57 of the month.
Day length in Port Sulphur in september is 12:19. The sun rises at 05:44 and sets at 18:03.
With good weather conditions, the month of september is recommended to go in that area in Louisiana.
Seasonal average climate and temperature of Port Sulphur in september
Check below seasonal norms These statistics are compiled from the weather statements of the last years of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 83°F | ||||
| Highest temperature | 86°F | ||||
| Lowest temperature | 79°F | ||||
| Highest record temperature | 94°F (2019) | ||||
| Lowest record temperature | 61°F (2020) | ||||
| Number of days at +86°F | 17 day(s) (57%) | ||||
| 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 | 88°F | ||||
| Wind | |||||
| Wind speed | 19km/h | ||||
| Wind temperature | 79°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 6.7in | ||||
| Number of days with rainfall | 10 day(s) (33%) | ||||
| Record daily rainfall | 3.9in (2020) | ||||
| Other climate data | |||||
| Humidity | 80% | ||||
| Visibility | 9.51km | ||||
| Cloud cover | 26% | ||||
| UV index | 7 | ||||
| Daily sunshine hours | 12 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:44 | ||||
| Time of sunset | 18:03 | ||||
| Length of day | 12:19 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | good | ||||
How was the weather last september?
Here is the day by day recorded weather in Port Sulphur in september 2024:
76°F to 81°F
77°F to 86°F
79°F to 90°F
81°F to 88°F
77°F to 79°F
77°F to 79°F
70°F to 74°F
72°F to 81°F
72°F to 83°F
77°F to 81°F
76°F to 79°F
72°F to 79°F
70°F to 85°F
74°F to 88°F
76°F to 85°F
76°F to 85°F
76°F to 86°F
76°F to 86°F
77°F to 88°F
77°F to 92°F
77°F to 92°F
77°F to 90°F
76°F to 90°F
74°F to 88°F
74°F to 92°F
74°F to 83°F
70°F to 86°F
72°F to 92°F
74°F to 92°F
76°F to 83°F
Map: other cities in Louisiana in september
Cities near Port Sulphur:
| Grand Isle in september | good weather |
| New Orleans in september | good weather |
| Slidell in september | good weather |
| Houma in september | good weather |
| Morgan City in september | good weather |
| Baton Rouge in september | good weather |
| Marsh Island in september | good weather |
| New Iberia in september | good weather |
| Opelousas in september | good weather |
| Pecan Island in september | good weather |
| Marksville in september | good weather |
| Oakdale in september | good weather |
Click over cities on the map for information about the weather in september.
Port Sulphur
perfect weather
good
tolerable
bad
very bad
Weather data for Port Sulphur in september:
Weather data for Port Sulphur for september are derived from an average of the weather forecast since 2009 in Port Sulphur. There is a margin of error and these forecasts are to be considered as general information only. The weather in Port Sulphur 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 Port Sulphur.