Saint-Jean-dʼArves Weather in September

September in Saint-Jean-dʼArves sees daytime temperatures around 15°C (59°F) and lows of 4°C (39°F) at night. With around 120 mm (4.7 in) of rainfall expected, it's worth packing a rain jacket.

Rainfall in Saint-Jean-dʼArves in September

Climate statistics over the past 30 years suggest around 13 days of rain, with 120 mm (4.7 in) average for the month. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in Saint-Jean-dʼArves in September

If you're visiting Saint-Jean-dʼArves in September, expect highs of 15°C (59°F) and overnight lows around 4°C (39°F). Even when the weather is stable, mornings and evenings can still feel distinctly cool. With overnight lows of 4°C (39°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in Saint-Jean-dʼArves in September

Expect sunny days throughout the month, with an estimated 193 hours of sunshine. This makes it a pleasant time to visit Saint-Jean-dʼArves.

Should you favor a climate that's both dry and comfortably warm, July and August typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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For a detailed overview over the year and the best time to visit France, check out our Saint-Jean-dʼArves's climate page.

Saint-Jean-dʼArves Temperature in September

Min Temperature 4°C (39°F)  

Max Temperature 15°C (59°F)  

Chance of Rain 42%  

Precipitation 120 mm (4.7 in)  

Rainy days 13 days  

Humidity 79% *  

Sunshine 193 hours *  

Percentage Sunshine *  

* Data from: Grenoble, France (42 KM, 26 Miles).

What to Wear in Saint-Jean-dʼArves in September

The weather can swing between comfortable and chilly in September, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. Expect heavy rainfall, so bring good rain protection and waterproof bags. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Saint-Jean-dʼArves in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

5/10

Cycling

5/10

Walking

5/10

Camping

3/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit France, check out our Saint-Jean-dʼArves's climate page.

More climate data for Saint-Jean-dʼArves

Temperature Rainfall Sunshine Humidity

See the full Saint-Jean-dʼArves climate overview or explore weather in France.