Saint-Denis weather in October
Temperature, sea and sunshine in October: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in October
Excellent
Best time to visit: June – December
What is the weather like in Saint-Denis in October?
In October, Saint-Denis is warm: daytime highs average 25 °C, and even at night it stays warm at around 21 °C. The sea averages 24.4 °C – pleasant for swimming. The sun shines for around 8 hours a day. Rain is frequent, with about 12 rainy days and 50 mm in total. All in all, October is an excellent month for a holiday in Saint-Denis.
October compared
How the weather changes from September to November. Tap a month to open it.
| SeptemberSep | OctoberOct | NovemberNov | |
|---|---|---|---|
| Score | 85 | 82 | 74 |
| Day | 24° | 25° | 26° |
| Night | 20° | 21° | 22° |
| Sea | 24° | 24° | 26° |
| Sun | 8 h | 8 h | 9 h |
| Rain days | 10 | 12 | 16 |
More details for October
- Daylight
- 12 h 32 min05:48 – 18:20
- UV index
- 12 · extremeclear sky, noon (estimate)All months
- Muggy days
- 15 daysdew point 18 °C or moreAll months
- Wind
- 11 km/haverage daily peakAll months
- Cloud cover
- 46 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Time zone
- UTC+4Indian/Reunion
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %90 %
- Few rainy daysweight 30 %46 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in October
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Rain jacket or umbrella
Saint-Denis in October: quick answers
Is Saint-Denis hot in October?
Warm rather than hot: in October, daytime highs in Saint-Denis average 25 °C and nights cool to about 21 °C.
Can you swim in Saint-Denis in October?
Yes. In October the sea averages 24.4 °C – pleasant for swimming.
Does it rain much in Saint-Denis in October?
Rain is frequent, with about 12 rainy days and 50 mm in total.
Saint-Denis month by month
The whole year in Saint-DenisAll destinations: RéunionWhere to go in OctoberSea temperature in October
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences