Saint-Leu in Spring
In spring (September, October and November), Saint-Leu sees average daytime highs around 23°C and overnight lows near 20°C, with 142 mm of rain over about 34 wet days across the season. It is the 3rd-warmest season and the 3rd-wettest season.
Over the season highs climb from about 22°C in early September to 25°C by late November. The sky is clear or mostly clear about 39% of the time across spring, and the air most often feels humid.
Spring is Saint-Leu's 2nd-best season to visit on our travel score. Saint-Leu has little temperature swing across the year, so its calendar seasons blur — the season framing matters less here than for a place with four distinct seasons. For the whole year in context, see Saint-Leu's year-round climate.
- Avg daytime high
- 23°C
- 3rd-warmest season
- Avg overnight low
- 20°C
- Rainfall
- 142 mm
- 34 wet days
- Avg wind
- 8 km/h
- Travel score
- 6.8
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Saint-Leu in Spring
Over the season highs climb from about 22°C in early September to 25°C by late November.
A typical spring day in Saint-Leu reaches about 23°C and drops to 20°C overnight. The warmest of the three months is November, the coolest September.
Saint-Leu weather by month
How the three spring months (September, October and November) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 26° / 24° | 206 | 22.7 | 13.1 | 4.7 |
| Feb | 26° / 24° | 187 | 18.9 | 12.7 | 5.0 |
| Mar | 26° / 24° | 154 | 17.6 | 12.1 | 5.6 |
| Apr | 25° / 23° | 60 | 12.1 | 11.5 | 6.6 |
| May | 24° / 21° | 45 | 8.5 | 11 | 7.5 |
| Jun | 22° / 20° | 24 | 6.3 | 10.7 | 7.7 |
| Jul | 22° / 19° | 18 | 5.8 | 10.8 | 7.6 |
| Aug | 21° / 19° | 28 | 7.5 | 11.3 | 7.3 |
| Sep | 22° / 19° | 32 | 9 | 11.9 | 7.1 |
| Oct | 23° / 20° | 44 | 12 | 12.5 | 6.8 |
| Nov | 24° / 21° | 67 | 13.4 | 13 | 6.5 |
| Dec | 25° / 23° | 124 | 19 | 13.3 | 5.4 |
Cloud cover in Spring
The sky is clear or mostly clear about 39% of the time across spring.
Chance of precipitation in Spring
Saint-Leu gets around 142 mm of rain over 34 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 8 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 11 h 36 min in early September to 13 h 12 min by late November. The lit band spans sunrise to sunset each day.
Solar energy in Spring
Average shortwave solar energy reaching the ground each day across spring, about 6.7 kWh/m².
Hazard calendar for Saint-Leu
In spring, Saint-Leu overlaps its cyclone season. The full year is below, with each hazard's peak months called out.
Saint-Leu sits in the South Indian Ocean cyclone belt; the season peaks January–March.
Saint-Leu's monsoon runs December–March, when most of the year's rain falls.
Is spring a good time to visit Saint-Leu?
Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
spring is a reasonable time to visit Saint-Leu for sightseeing.
What to pack for Saint-Leu in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Saint-Leu sees daytime highs around 23°C and nights near 20°C. Pack rain gear and sun protection. Worth having: light clothes. About 34 days see rain.
Sea temperature near Saint-Leu in Spring
The nearest coast averages about 24°C across spring — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 18 km away) is warmest in February at about 28°C and coldest in August near 24°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 28 | 28 | 28 | 28 | 27 | 25 | 24 | 24 | 24 | 24 | 26 | 27 |
| Comfort | Warm | Tropical | Tropical | Warm | Warm | Warm | Warm | Refreshing | Refreshing | Warm | Warm | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 28 | Warm |
| Feb | 28 | Tropical |
| Mar | 28 | Tropical |
| Apr | 28 | Warm |
| May | 27 | Warm |
| Jun | 25 | Warm |
| Jul | 24 | Warm |
| Aug | 24 | Refreshing |
| Sep | 24 | Refreshing |
| Oct | 24 | Warm |
| Nov | 26 | Warm |
| Dec | 27 | Warm |
UV index in Saint-Leu in Spring
Clear-sky midday UV across spring averages around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Saint-Leu peaks around January 17 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 at about 6 (high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 16 | 15 | 13 | 10 | 8 | 6 | 6 | 9 | 10 | 12 | 13 | 14 |
| Level | Extreme | Extreme | Extreme | Very high | Very high | High | High | Very high | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 16 | Extreme |
| Feb | 15 | Extreme |
| Mar | 13 | Extreme |
| Apr | 10 | Very high |
| May | 8 | Very high |
| Jun | 6 | High |
| Jul | 6 | High |
| Aug | 9 | Very high |
| Sep | 10 | Extreme |
| Oct | 12 | Extreme |
| Nov | 13 | Extreme |
| Dec | 14 | Extreme |
Where is Saint-Leu?
Saint-Leu sits at 21.2°S, 55.3°E, 10 m above sea level, in Reunion. The nearest listed city is Piton Saint-Leu, 6.0 km away.
Topography around Saint-Leu
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Saint-Leu.
Within 3 km, the terrain around Saint-Leu has large variations in elevation — a maximum elevation change of 724 m around an average of 162 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 2,871 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,030 m.
The land around Saint-Leu is covered by water (41%) and trees (39%) within 3 km, water (47%) and trees (31%) within 16 km, and water (78%) within 80 km.
Reunion travel facts
- Power plugs
- Type C / E
- 220 V · 50 Hz
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Saint-Leu (-21.1706°, 55.2882°, elevation 10 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.