Grenoble Weather in September

Thinking of visiting Grenoble in September? Expect pleasant temperatures reaching 19°C (66°F) during the day, dropping to 8°C (46°F) at night, and note that quite a bit of rainfall is likely.

Rainfall in Grenoble in September

Past climate data indicates that roughly 11 days will see rain, totalling around 118 mm (4.6 in) for the month. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in Grenoble in September

Grenoble in September gets highs of 19°C (66°F) during the day and drops to 8°C (46°F) at night. Even when the weather is stable, mornings and evenings can still feel distinctly cool. At 8°C (46°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.

Sunshine in Grenoble in September

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

If you prefer enjoying temperate temperatures and rain-free days, June, July and August typically offer the best 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 Grenoble's climate page.

Grenoble Temperature in September

Min Temperature 8°C (46°F)  

Max Temperature 19°C (66°F)  

Chance of Rain 35%  

Precipitation 118 mm (4.6 in)  

Rainy days 11 days  

Humidity 79%  

Sunshine 193 hours  

Percentage Sunshine  

What to Wear in Grenoble in September

For Grenoble in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Grenoble in September

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

Swimming

6/10

Cycling

9/10

Walking

9/10

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 Grenoble's climate page.

More climate data for Grenoble

Temperature Rainfall Sunshine Humidity

See the full Grenoble climate overview or explore weather in France.