Swimming on the island of Reunion in september 2025 Sea temperature by city in september
Do you want to go to the beach on the island of Reunion in september 2025? Is it the right month to go for pleasant temperatures and staying in the water for a long time? The answer is on this page with the sea temperatures in september on the island of Reunion by city and our opinion on the chances of enjoying pleasant sea conditions.
Sea temperature on the island of Reunion in september 2025
Here, find the average sea temperature on the island of Reunion in september in several coastal cities.
North in september
75°F
min: 74°F / max: 77°F
Saint-André
76°F
min: 74°F / max: 77°F
Sainte-Suzanne
76°F
min: 74°F / max: 77°F
Sainte-Marie
76°F
min: 74°F / max: 76°F
West in september
75°F
min: 74°F / max: 77°F
76°F
min: 74°F / max: 76°F
75°F
min: 74°F / max: 76°F
75°F
min: 74°F / max: 76°F
75°F
min: 74°F / max: 77°F
Saint-Paul
75°F
min: 74°F / max: 76°F
South in september
75°F
min: 74°F / max: 76°F
75°F
min: 74°F / max: 76°F
75°F
min: 74°F / max: 76°F
Saint-Joseph (Reunion)
75°F
min: 74°F / max: 76°F
Entre-Deux
75°F
min: 74°F / max: 77°F
Le Tampon
75°F
min: 74°F / max: 77°F
East in september
75°F
min: 74°F / max: 76°F
Sainte-Rose (Reunion)
75°F
min: 74°F / max: 76°F
Bras-Panon
75°F
min: 74°F / max: 77°F
Where should you go swimming on the island of Reunion in the month of september?
Swimming on the island of Reunion in september is pleasant
In september on the island of Reunion swimming conditions are generally the same everywhere.
As for Saint-Denis, Saint-Gilles-les-Bains, Saint-Pierre, Le Port, L’Étang-Salé, Saint-Benoît, Saint-Leu, Saint-Philippe, Boucan-Canot, La Saline-les-bains, Saint-André, Saint-Joseph (Reunion), Saint-Paul, Sainte-Rose (Reunion), Sainte-Suzanne, Bras-Panon, Entre-Deux, La Possession, Le Tampon, Les Avirons, Petite-Ile, Saint-Louis and Sainte-Marie, swimming is pleasant in september. The sea water is 75°F on average (min: 74°F/max: 77°F) so you can easily spend time in the water.
Where to go swimming on the island of Reunion in september: the map of sea temperatures
ideal swimming 
pleasant swimming 
cool swimming 
cold swimming 
freezing swimmingWater temperature and seasonal norms in september
Saint-Denis
| September | |||
| Average sea temperature | 75°F | ||
| Minimum sea temperature | 74°F | ||
| Maximum sea temperature | 77°F | ||
| Average outside temperature | 72°F | ||
| Maximum outside temperature | 74°F | ||
| Minimum outside temperature | 70°F | ||
| Precipitation | 2.2in | ||
| Number of days of precipitation | 3 jour(s) (9%) | ||
| Cloud cover | 33% | ||
| Our opinion | pleasant swimming |
More information on swimming in Saint-Denis in september
Saint-Gilles-les-Bains
| September | |||
| Average sea temperature | 75°F | ||
| Minimum sea temperature | 74°F | ||
| Maximum sea temperature | 77°F | ||
| Average outside temperature | 70°F | ||
| Maximum outside temperature | 74°F | ||
| Minimum outside temperature | 67°F | ||
| Precipitation | 1.6in | ||
| Number of days of precipitation | 2 jour(s) (6%) | ||
| Cloud cover | 28% | ||
| Our opinion | pleasant swimming |
More information on swimming in Saint-Gilles-les-Bains in september
Saint-Pierre
| September | |||
| Average sea temperature | 75°F | ||
| Minimum sea temperature | 74°F | ||
| Maximum sea temperature | 76°F | ||
| Average outside temperature | 72°F | ||
| Maximum outside temperature | 74°F | ||
| Minimum outside temperature | 70°F | ||
| Precipitation | 1in | ||
| Number of days of precipitation | 1 jour(s) (2%) | ||
| Cloud cover | 21% | ||
| Our opinion | pleasant swimming |
More information on swimming in Saint-Pierre in september
Le Port
| September | |||
| Average sea temperature | 76°F | ||
| Minimum sea temperature | 74°F | ||
| Maximum sea temperature | 76°F | ||
| Average outside temperature | 72°F | ||
| Maximum outside temperature | 76°F | ||
| Minimum outside temperature | 70°F | ||
| Precipitation | 1in | ||
| Number of days of precipitation | 1 jour(s) (3%) | ||
| Cloud cover | 22% | ||
| Our opinion | pleasant swimming |
More information on swimming in Le Port in september
L’Étang-Salé
| September | |||
| Average sea temperature | 75°F | ||
| Minimum sea temperature | 74°F | ||
| Maximum sea temperature | 76°F | ||
| Average outside temperature | 72°F | ||
| Maximum outside temperature | 74°F | ||
| Minimum outside temperature | 70°F | ||
| Precipitation | 1in | ||
| Number of days of precipitation | 1 jour(s) (2%) | ||
| Cloud cover | 21% | ||
| Our opinion | pleasant swimming |
More information on swimming in L’Étang-Salé in september
List of coastal cities on the island of Reunion
| Saint-Denis in september | pleasant swimming |
| Saint-Gilles-les-Bains in september | pleasant swimming |
| Saint-Pierre in september | pleasant swimming |
| Le Port in september | pleasant swimming |
| L’Étang-Salé in september | pleasant swimming |
| Saint-Benoît in september | pleasant swimming |
| Saint-Leu in september | pleasant swimming |
| Saint-Philippe in september | pleasant swimming |
| Boucan-Canot in september | pleasant swimming |
| La Saline-les-bains in september | pleasant swimming |
| Saint-André in september | pleasant swimming |
| Saint-Joseph (Reunion) in september | pleasant swimming |
| Saint-Paul in september | pleasant swimming |
| Sainte-Rose (Reunion) in september | pleasant swimming |
| Sainte-Suzanne in september | pleasant swimming |
| Bras-Panon in september | pleasant swimming |
| Entre-Deux in september | pleasant swimming |
| La Possession in september | pleasant swimming |
| Le Tampon in september | pleasant swimming |
| Les Avirons in september | pleasant swimming |
| Petite-Ile in september | pleasant swimming |
| Saint-Louis in september | pleasant swimming |
| Sainte-Marie in september | pleasant swimming |