Grignan Weather in September

September in Grignan brings high temperatures, with highs of 25°C (77°F) and nights dropping to 14°C (57°F). Rainfall is on the higher side this month, averaging around 93 mm (3.7 in), so keep a rain jacket handy.

Rainfall in Grignan in September

Historically, September sees about 8 days of rain, with a monthly average of 93 mm (3.7 in). The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Grignan in September

September tends to be one of the perfect months in Grignan, with 25°C (77°F) in the afternoon and 14°C (57°F) overnight. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With overnight lows of 14°C (57°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in Grignan in September

There are approximately 222 hours of sunshine this month, resulting in mostly clear days.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. May, June and September typically offer the best weather for Grignan.

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

Grignan Temperature in September

Min Temperature 14°C (57°F)  

Max Temperature 25°C (77°F)  

Chance of Rain 27%  

Precipitation 93 mm (3.7 in)  

Rainy days 8 days  

Humidity 72% *  

Sunshine 222 hours *  

Percentage Sunshine *  

* Data from: Montélimar, France (19 KM, 12 Miles).

What to Wear in Grignan 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. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Grignan in September

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

Swimming

9/10

Cycling

9/10

Walking

9/10

Camping

8/10

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 Grignan's climate page.

More climate data for Grignan

Temperature Rainfall Sunshine Humidity

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