Grillon Weather in September

Thinking of visiting Grillon in September? Expect high temperatures reaching 25°C (77°F) during the day, dropping to 14°C (57°F) at night, and note that quite a bit of rainfall is likely.

Rainfall in Grillon in September

Expect around 8 days of rain based on historical data, with 92 mm (3.6 in) average. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Grillon in September

September is one of the better months to visit Grillon. Expect 25°C (77°F) during the day and 14°C (57°F) at night. This kind of day-to-night contrast is typical for this time of year. With lows of 14°C (57°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.

Sunshine in Grillon in September

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

If your ideal day consists of dry skies and pleasant temperatures, May, June and September typically offer the best circumstances for Grillon.

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 Grillon's climate page.

Grillon Temperature in September

Min Temperature 14°C (57°F)  

Max Temperature 25°C (77°F)  

Chance of Rain 28%  

Precipitation 92 mm (3.6 in)  

Rainy days 8 days  

Humidity 72% *  

Sunshine 222 hours *  

Percentage Sunshine *  

* Data from: Montélimar, France (22 KM, 14 Miles).

What to Wear in Grillon in September

Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Grillon 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 Grillon's climate page.

More climate data for Grillon

Temperature Rainfall Sunshine Humidity

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