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Weather in Saint-Denis — today

Tomorrow Day after tomorrow 3 days Week 14 days Month forecast Weather archive

Now in Saint-Denis

☀️

+25°

Clear

Feels like +25° · humidity 55%

Today 12.9: +26° / +19°

🕐 09:25

Wind

7 km/h

UV index

Air (AQI)

27 · Good

Precipitation

100%

Humidity

55%

Pressure

1023 hPa

Sunrise / sunset

06:17 / 18:11

Sea temperature

🌊 +24°

👕 What to wear today

Warm — a T-shirt and light trousers or shorts.

☂️ Take an umbrella

Weather for an activity:

🎣 fishing 🏖️ the beach 🏃 a run 📸 a photo shoot 🚶 a walk

Detailed weather information for Saint-Denis

Today, 12 September, Saturday, in Saint-Denis (Réunion): cloudy, light rain in places, warm. During the day the air will warm up to +26°, at night around +19°. Wind up to 13 km/h. High chance of rain — be sure to take an umbrella or a raincoat. Light summer clothing will do — a T-shirt and shorts or light trousers. The sea has warmed up to +24° — great for swimming. The sun will rise at 06:17 and set at 18:11 — daylight lasts 12 hours.

Hourly weather in Saint-Denis

💧 The bars at the bottom show the hourly precipitation probability. Shaded areas of the chart are the dark hours (before sunrise 🌅 and after sunset 🌇).

Weather in Saint-Denis for 14 days

Tap a day to expand it by time of day and open the full forecast. The bar shows the range from the night low (left) to the day high (right).

▶

Today 12.9

🌦️

💧 100%

+19° +26°

Morning

🌦️

+22°

Day

🌦️

+26°

Evening

🌇

+24°

Night

🌙

+19°

Rain showers · precipitation 100% · wind up to 13 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Tomorrow 13.9

☁️

💧 22%

+17° +26°

Morning

☀️

+22°

Day

☁️

+26°

Evening

🌇

+22°

Night

🌙

+17°

Overcast · precipitation 22% · wind up to 10 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Mon 14.9

☁️

💧 44%

+18° +25°

Morning

☁️

+21°

Day

☁️

+25°

Evening

🌇

+23°

Night

🌙

+18°

Overcast · precipitation 44% · wind up to 10 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Tue 15.9

☁️

💧 67%

+18° +25°

Morning

☁️

+21°

Day

☁️

+25°

Evening

🌇

+23°

Night

🌙

+18°

Overcast · precipitation 67% · wind up to 19 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Wed 16.9

🌦️

💧 71%

+17° +25°

Morning

🌦️

+20°

Day

🌦️

+25°

Evening

🌇

+23°

Night

🌙

+17°

Drizzle · precipitation 71% · wind up to 13 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Thu 17.9

⛅

💧 84%

+19° +26°

Morning

⛅

+22°

Day

⛅

+26°

Evening

🌇

+24°

Night

🌙

+19°

Partly cloudy · precipitation 84% · wind up to 15 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Fri 18.9

⛅

💧 82%

+18° +27°

Morning

⛅

+21°

Day

⛅

+27°

Evening

🌇

+25°

Night

🌙

+18°

Partly cloudy · precipitation 82% · wind up to 17 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Sat 19.9

🌦️

💧 75%

+17° +28°

Morning

🌦️

+21°

Day

🌦️

+28°

Evening

🌇

+25°

Night

🌙

+17°

Drizzle · precipitation 75% · wind up to 14 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Sun 20.9

🌦️

💧 73%

+19° +28°

Morning

🌦️

+22°

Day

🌦️

+28°

Evening

🌇

+26°

Night

🌙

+19°

Drizzle · precipitation 73% · wind up to 14 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Mon 21.9

🌦️

💧 73%

+20° +27°

Morning

🌦️

+23°

Day

🌦️

+27°

Evening

🌇

+25°

Night

🌙

+20°

Drizzle · precipitation 73% · wind up to 12 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Tue 22.9

🌦️

💧 78%

+18° +27°

Morning

🌦️

+21°

Day

🌦️

+27°

Evening

🌇

+25°

Night

🌙

+18°

Drizzle · precipitation 78% · wind up to 10 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Wed 23.9

🌦️

💧 87%

+18° +27°

Morning

🌦️

+21°

Day

🌦️

+27°

Evening

🌇

+25°

Night

🌙

+18°

Drizzle · precipitation 87% · wind up to 10 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Thu 24.9

🌦️

💧 94%

+19° +27°

Morning

🌦️

+22°

Day

🌦️

+27°

Evening

🌇

+25°

Night

🌙

+19°

Drizzle · precipitation 94% · wind up to 11 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Fri 25.9

🌦️

💧 80%

+18° +29°

Morning

🌦️

+22°

Day

🌦️

+29°

Evening

🌇

+26°

Night

🌙

+18°

Drizzle · precipitation 80% · wind up to 12 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

🗺️ Precipitation radar

Precipitation radar (RainViewer) over a clean base map — updates every 5–10 minutes. Colours show nearby precipitation; if there is none, the map is simply clear — that is normal. Zoom with + / −.

Rain intensity:lightmoderateheavy

🎯 What to do in this weather — indices of the day

Comfort score from 0 (bad) to 100 (excellent), calculated from the day's weather. For “rain” and “UV” a percentage/risk level is shown.

🏖️ Beach

5 / 100

for sea and sun · Bad

🏊 Swimming

0 / 100

water 24° · Bad

🏃 Running

0 / 100

comfort for running · Bad

🧴 UV

36%

moderate · moderate

☂️ Rain

100%

likely · high

✨ Stars

18 / 100

evening visibility · Bad

🧺 Laundry drying

0 / 100

will dry outside · Bad

🚗 Car wash

0 / 100

better to wait · Bad

🌫️ Air quality

Good air

European AQI

PM2.5: 9PM10: 15O₃: 67NO₂: 1

The air is clean — you can walk and exercise outside.

🌅 Sun, moon and sea

Sunrise

06:17

Sunset

18:11

Golden hour

17:42

Daylight

12 h (+1 min vs yesterday)

Sea temperature

+24°

🌊 slight, waves 1.2 m.

Saint-Denis climate by month

Long-term averages. Hover over a bar for details. The forecast for a specific month is a combination of the climate normal and the model forecast for the coming weeks.

+28°

+25°

Jan

+28°

+25°

Feb

+28°

+25°

Mar

+27°

+24°

Apr

+26°

+22°

May

+24°

+20°

Jun

+23°

+19°

Jul

+24°

+19°

Aug

+24°

+20°

Sep

+25°

+21°

Oct

+26°

+22°

Nov

+27°

+24°

Dec

swipe sideways →

Bar color shows temperature:frostcoolcomfortablewarmhot— best months to visit

Month	Day	Night	Sea	Precipitation	What to pack and what makes the month notable (events, nuances)
January	+28°	+25°	+28°	266 mm	Warm and comfortable: +28° by day, +25° at night. It's a rainy month (266 mm) — an umbrella is a must. 😊 light summer clothing. Water at +28° — great for swimming. Statistically the wettest month of the year.
February	+28°	+25°	+28°	256 mm	Gentle warmth — about +28° daytime, great walking weather. Frequent rain (256 mm over the month) — keep indoor backup plans. 😊 light summer clothing. Water at +28° — great for swimming. This is the hottest month of the year in Saint-Denis.
March	+28°	+25°	+29°	244 mm	A comfortable month: +28° by day without exhausting heat. One of the wettest months (244 mm): downpours can derail plans. 😊 light summer clothing. Water at +29° — great for swimming. The sea is at its warmest of the year this month.
April	+27°	+24°	+28°	81 mm	Warm and comfortable: +27° by day, +24° at night. It's a rainy month (81 mm) — an umbrella is a must. 😊 light summer clothing. Water at +28° — great for swimming.
May	+26°	+22°	+27°	72 mm	Ideal weather: +26° daytime — neither hot nor cold. Frequent rain (72 mm over the month) — keep indoor backup plans. 😊 light summer clothing. Water at +27° — great for swimming.
June	+24°	+20°	+26°	40 mm	The most pleasant season: +24° by day, comfortable all day long. 😊 light summer clothing. Water at +26° — great for swimming. The shortest daylight of the year — it gets dark early.
July	+23°	+19°	+25°	37 mm	One of the best times to visit: +23° by day, fresh nights. 🙂 a sweater for the evening. Water at +25° — great for swimming. This is the coldest month of the year.
August	+24°	+19°	+24°	35 mm	Ideal weather: +24° daytime — neither hot nor cold. 🙂 a sweater for the evening. Water at +24° — great for swimming.
September	+24°	+20°	+25°	37 mm	The most pleasant season: +24° by day, comfortable all day long. 😊 light summer clothing. Water at +25° — great for swimming. Weather-wise, one of the three best months to visit.
October	+25°	+21°	+25°	50 mm	One of the best times to visit: +25° by day, fresh nights. 😊 light summer clothing. Water at +25° — great for swimming. Weather-wise, one of the three best months to visit.
November	+26°	+22°	+26°	84 mm	Gentle warmth — about +26° daytime, great walking weather. Frequent rain (84 mm over the month) — keep indoor backup plans. 😊 light summer clothing. Water at +26° — great for swimming.
December	+27°	+24°	+27°	140 mm	A comfortable month: +27° by day without exhausting heat. One of the wettest months (140 mm): downpours can derail plans. 😊 light summer clothing. Water at +27° — great for swimming. The longest daylight hours of the year — more time for everything.

When to visit Saint-Denis

✅ Recommended time to visit

🌟 Best time: June, September, October

Daytime air+24…+25°

Sea temperature+25…+26°

Precipitationoften

Why: comfortable +24…+25° by day, little rain, warm sea (+25…26°).

⚠️ Doable, with caveats

🌤️ Shoulder season: April, May, July, August, November, December

Daytime air+23…+27°

Sea temperature+24…+28°

Precipitationoften

Why: noticeable rain risk (35–140 mm/month) — pack an umbrella and backup plans.

🔴 Not the best time

🌤️ Shoulder season: January, February, March

Daytime air+28…+28°

Sea temperature+28…+29°

Precipitationoften

Why: the rainy season (244–266 mm/month) — downpours almost daily.

Bottom line: the best time to visit Saint-Denis is June, September, October, and the most comfortable months are June, September, October. The toughest months to visit are January, February, March: frequent rain.