Weather in Saint-Pierre, Réunion in September 2025
- September is usually the driest month of the year in Saint-Pierre, Réunion
Average weather
Average temperature in Saint-Pierre, Réunion in September
Going from a maximum of +75°F during the day to a minimum of +66°F during the night, the temperature in September averages around +73°F.
The average maximum temperature goes up 20% by the end of the month, compared with the beginning of the month, from +73°F to +75°F.
Is Saint-Pierre, Réunion warm or cold in September?
Saint-Pierre, Réunion is typically mild in September.
Maximum temperatures go up compared to the previous month from +70°F to +72°F. The minimum temperature also goes up from +64°F to +66°F.
Pack a light jacket as it will be warm in the day and cool in the evenings.
Take a look at how September is compared to other months in Saint-Pierre, Réunion:
Climate in Saint-Pierre, Réunion in September
| August | September | October | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +70°F | +72°F | +73°F | ||||
| Min. temperature | ||||||
| +59°F | +59°F | +61°F | ||||
| Max. temperature | ||||||
| +77°F | +81°F | +82°F | ||||
| Rainfall | ||||||
| 51 mm | 48 mm | 63 mm | ||||
| Wind | ||||||
| 2 m/s | 2 m/s | 2 m/s | ||||
| Humidity | ||||||
| 81% | 79% | 79% | ||||
| Air pressure | ||||||
| 1022 HPa | 1021 HPa | 1019 HPa | ||||
| Sunny days | ||||||
| 3 | 4 | 3 | ||||
| Cloudy days | ||||||
| 6 | 6 | 7 | ||||
| Rainy days | ||||||
| 22 | 20 | 21 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
September weather is still as ok as in August. It’s getting warmer as September arrives. The average maximum temperature goes up from +70°F to +72°F during the day. As September arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 51 mm to 48 mm. It feels drier, as humidity decreases from 81% to 79%. The average wind speed doesn’t change much during September, staying around 2 m/s. The good news is there are likely to be more sunny days in September, from 3 to 4.
October brings much the same weather, it remains ok.
Wind
The average wind speed is 3 m/s getting up to 7 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Saint-Pierre, Réunion is gradually increasing during September, going from 2 m/s to 2 m/s over the course of the month.
Rain
How was the weather last September in Saint-Pierre, Réunion?
Climate Change Over the Years
The climate in Saint-Pierre, Réunion in September has not changed that much over the last 43 years.
The average temperature was the lowest in 1993 (+73°F) and the highest in 2019 (+81°F). The driest year was 1992 with only 941 mm of rainfall, and the wettest year was 1987 with 2325 mm.
FAQ
Is September a good time to visit Saint-Pierre, Réunion?
Can you sunbathe in Saint-Pierre, Réunion in September?
Is Saint-Pierre, Réunion rainy in September?
Is it sunny in Saint-Pierre, Réunion in September?
Monthly weather in Saint-Pierre, Réunion
Source of the data
For this page, we’ve looked at the typical weather in Saint-Pierre, Réunion, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.
