Sainte-Hélène-sur-Isère Weather in September

September in Sainte-Hélène-sur-Isère brings moderate temperatures, with highs of 18°C (64°F) and nights dropping to 7°C (45°F). Rainfall is on the higher side this month, averaging around 122 mm (4.8 in), so keep a rain jacket handy.

Rainfall in Sainte-Hélène-sur-Isère in September

Records from the past 30 years suggest around 12 days of rain, with 122 mm (4.8 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 Sainte-Hélène-sur-Isère in September

Sainte-Hélène-sur-Isère in September gets highs of 18°C (64°F) during the day and drops to 7°C (45°F) at night. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights fall to 7°C (45°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.

Sunshine in Sainte-Hélène-sur-Isère in September

The month experiences a moderate amount of sunlight, with 178 hours of sunshine. This provides a nice balance between sunshine and clouds.

If you prefer dry days with pleasant temperatures, 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 Sainte-Hélène-sur-Isère's climate page.

Sainte-Hélène-sur-Isère Temperature in September

Min Temperature 7°C (45°F)  

Max Temperature 18°C (64°F)  

Chance of Rain 40%  

Precipitation 122 mm (4.8 in)  

Rainy days 12 days  

Sunshine 178 hours *  

Percentage Sunshine *  

* Data from: Chambéry, France (31 KM, 19 Miles).

What to Wear in Sainte-Hélène-sur-Isère in September

Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Sainte-Hélène-sur-Isère in September

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

Swimming

6/10

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 Sainte-Hélène-sur-Isère's climate page.

More climate data for Sainte-Hélène-sur-Isère

Temperature Rainfall Sunshine

See the full Sainte-Hélène-sur-Isère climate overview or explore weather in France.