Reunion in september: average Weather, Temperature and Climate, Where to go?
Weather on the island of Reunion in september 2025
Below, you have access to the weather forecast for the month of september for most popular cities in Reunion. These forecasts are probabilities for september from weather reports for over 10 years. The percentage indicates the probability of having the weather indicated.
Average weather in september in Saint-Denis
perfect weather UV index: 6
Weather at 6am
70°F
Clear/Sunny
35% of time
35%
21%
8%
Weather at 12pm
74°F
Clear/Sunny
46% of time
33%
16%
6%
Weather at 6pm
70°F
Clear/Sunny
36% of time
31%
27%
6%
Weather at 3am
70°F
33%
30%
27%
10%
More information about the weather in Saint-Denis in september
Where to go on the island of Reunion in september?
Where to go on the island of Reunion in september: destination map
perfect weather
good
tolerable
bad
very bad
Where to go in each region in september?
| Central Mountains of Reunion (Cilaos, Salazie, La Plaine des Palmistes...) | 72°F to 74°F | 2 à 3 days | perfect weather | |
| East of Reunion (Saint-Benoît, Sainte-Rose (Reunion), Bras-Panon...) | 72°F | 3 days | 76°F | perfect weather |
| North of Reunion (Saint-Denis, Sainte-Suzanne, Saint-André...) | 72°F to 74°F | 3 days | 76°F | perfect weather |
| South of Reunion (Saint-Pierre, Saint-Philippe, L’Étang-Salé...) | 72°F to 74°F | 1 à 2 days | 76°F | perfect weather |
| West of Reunion (Saint-Gilles-les-Bains, Saint-Leu, Le Port...) | 74°F to 76°F | 1 à 2 days | 76°F | perfect weather |
Where should you go on the island of Reunion in september when it comes to the weather?
Remember:
The climate on the island of Reunion in september is perfect across the board.
Although it is not perfect the weather in Reunion that month is, according to seasonal norms, good averywhere: in Saint-Paul, Sainte-Rose (Reunion), Saint-Pierre, Saint-Benoît, Saint-Joseph (Reunion), Saint-Denis, Saint-André, Saint-Philippe, Cilaos and Saint-Leu. I allows to appreciate tours in these areas. And even why not take a little time to sunbathe!
Climate on the island of Reunion in september
Climate in Saint-Denis in september
In the month of september, the mean temperature in Saint-Denis is 72°F (maximum temperature is 74°F and minimum temperature is 70°F). The climate quite pleasant there in september. With just 2.2in over 3 days, rain may be scarce during your stay.
With a good weather, september is a recommended month to go in Saint-Denis.
| September | |||
| Average temperature | 72°F | ||
| Highest temperature | 74°F | ||
| Lowest temperature | 70°F | ||
| Sea temperature | 76°F | ||
| Rainfall | 2.2in | ||
| Number of days with rainfall | 3 day(s) (9%) | ||
| Humidity | 83% | ||
| Daily sunshine hours | 11 | ||
| Cloud cover | 33% | ||
| Length of day | 11:58 | ||
| Our opinion at whereandwhen.net | perfect |
Climate in Saint-Gilles-les-Bains in september
In the month of september, the mean temperature in Saint-Gilles-les-Bains is 70°F (maximum temperature is 74°F and minimum temperature is 67°F). The climate is quite pleasant in this location in this month. With about 1.6in over 2 days,
it rains very little during your vacations.
With good weather conditions, the month of september is an advisable month to go there in Reunion.
| September | |||
| Average temperature | 70°F | ||
| Highest temperature | 74°F | ||
| Lowest temperature | 67°F | ||
| Sea temperature | 75°F | ||
| Rainfall | 1.6in | ||
| Number of days with rainfall | 2 day(s) (6%) | ||
| Humidity | 79% | ||
| Daily sunshine hours | 11 | ||
| Cloud cover | 28% | ||
| Length of day | 11:58 | ||
| Our opinion at whereandwhen.net | perfect |
Climate in Saint-Pierre in september
In the month of september, the mean temperature in Saint-Pierre is 72°F (maximum temperature is 74°F and minimum temperature is 70°F). The climate pleasant around this city in the month of september. With about 1in over 1 days,
it rains very little during your vacations.
With good weather conditions, september is a good month to go in this city in Reunion.
| September | |||
| Average temperature | 72°F | ||
| Highest temperature | 74°F | ||
| Lowest temperature | 70°F | ||
| Sea temperature | 75°F | ||
| Rainfall | 1in | ||
| Number of days with rainfall | 1 day(s) (2%) | ||
| Humidity | 79% | ||
| Daily sunshine hours | 12 | ||
| Cloud cover | 21% | ||
| Length of day | 11:58 | ||
| Our opinion at whereandwhen.net | perfect |
Climate in Cilaos in september
In the month of september, maximum temperature is 72°F and minimum temperature is 67°F (for an average temperature of 70°F). The climate comfortable in this city in september. With about 1.8in over 2 days,
it rains very little for your trip.
With good weather conditions, september is an advisable month to go there in Reunion.
| September | |||
| Average temperature | 70°F | ||
| Highest temperature | 72°F | ||
| Lowest temperature | 67°F | ||
| Rainfall | 1.8in | ||
| Number of days with rainfall | 2 day(s) (5%) | ||
| Humidity | 81% | ||
| Daily sunshine hours | 11 | ||
| Cloud cover | 25% | ||
| Length of day | 11:58 | ||
| Our opinion at whereandwhen.net | perfect |
Climate in La Plaine des Palmistes in september
In the month of september, the mean temperature in La Plaine des Palmistes is 70°F (maximum temperature is 72°F and minimum temperature is 67°F). The climate is pleasant in this location in september. With just 1.8in over 2 days, rainfall is infrequent throughout your stay.
With a good climate, the month of september is a good month to go in La Plaine des Palmistes.
| September | |||
| Average temperature | 70°F | ||
| Highest temperature | 72°F | ||
| Lowest temperature | 67°F | ||
| Rainfall | 1.8in | ||
| Number of days with rainfall | 2 day(s) (5%) | ||
| Humidity | 81% | ||
| Daily sunshine hours | 11 | ||
| Cloud cover | 25% | ||
| Length of day | 11:58 | ||
| Our opinion at whereandwhen.net | perfect |
All cities on the island of Reunion in september
| Saint-Denis in september | perfect weather |
| Saint-Gilles-les-Bains in september | perfect weather |
| Saint-Pierre in september | perfect weather |
| Cilaos in september | perfect weather |
| La Plaine des Palmistes in september | perfect weather |
| Le Port in september | perfect weather |
| L’Étang-Salé in september | perfect weather |
| Saint-Benoît in september | perfect weather |
| Saint-Leu in september | perfect weather |
| Saint-Philippe in september | perfect weather |
| Salazie in september | perfect weather |
| Boucan-Canot in september | perfect weather |
| Bourg-Murat in september | perfect weather |
| Hell-Bourg in september | perfect weather |
| La Saline-les-bains in september | perfect weather |
| Mafate in september | perfect weather |
| Piton de la Fournaise in september | perfect weather |
| Piton des Goyaves in september | perfect weather |
| Saint-André in september | perfect weather |
| Saint-Joseph (Reunion) in september | perfect weather |
| Saint-Paul in september | perfect weather |
| Sainte-Rose (Reunion) in september | perfect weather |
| Sainte-Suzanne in september | perfect weather |
| Bras-Panon in september | perfect weather |
| Entre-Deux in september | perfect weather |
| La Possession in september | perfect weather |
| Le Tampon in september | perfect weather |
| Les Avirons in september | perfect weather |
| Petite-Ile in september | perfect weather |
| Saint-Louis in september | perfect weather |
| Sainte-Marie in september | perfect weather |
Weather data for Reunion in september:
Weather data for Reunion in september is derived from an average of the weather forecast since 2009 on the island of Reunion. There is a margin of error and these forecasts are to be considered as general information only. The weather on the island of Reunion can vary slightly from year to year, but these predictions should limit surprises. So you can pack your bags and check when is the best time to go to Reunion Island.