Roussillon en Isere Weather in September

September in Roussillon en Isere brings high temperatures, with daytime highs of 23°C (73°F) and nights around 12°C (54°F). Quite a bit of rainfall is expected, around 104 mm (4.1 in), so pack an umbrella.

Rainfall in Roussillon en Isere in September

Based on our climate data of the past 30 years, about 10 days of rain are anticipated, with 104 mm (4.1 in) on average. 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 Roussillon en Isere in September

September in Roussillon en Isere brings typical temperatures with highs around 23°C (73°F) and lows of 12°C (54°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. At 12°C (54°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in Roussillon en Isere in September

With approximately 195 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.

For Roussillon en Isere itself, May, June, July and August generally stand out with 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.

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 Roussillon en Isere's climate page.

Roussillon en Isere Temperature in September

Min Temperature 12°C (54°F)  

Max Temperature 23°C (73°F)  

Chance of Rain 33%  

Precipitation 104 mm (4.1 in)  

Rainy days 10 days  

Humidity 75% *  

Sunshine 195 hours *  

Percentage Sunshine *  

* Data from: Saint-Étienne, France (33 KM, 21 Miles).

What to Wear in Roussillon en Isere 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. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Roussillon en Isere 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

6/10

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 Roussillon en Isere's climate page.

More climate data for Roussillon en Isere

Temperature Rainfall Sunshine Humidity

See the full Roussillon en Isere climate overview or explore weather in France.