Calais Weather in September

September in Calais typically sees daytime highs of 20°C (68°F) and nighttime lows of 14°C (57°F). Rainfall is also possible this month, so it's worth packing an umbrella. It falls within the summer season.

Rainfall in Calais in September

You can expect rain on around 14 days based on historical patterns, with 72 mm (2.8 in) average for the month. A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.

Temperature in Calais in September

September is a good time to be in Calais. Days are perfect, reaching 20°C (68°F), with nights around 14°C (57°F). September marks the summer season. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. At 14°C (57°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.

If you favor pleasant temperatures and minimal rainfall, September is one of the best months to visit Calais.

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 Calais's climate page.

Calais Temperature in September

Min Temperature 14°C (57°F)  

Max Temperature 20°C (68°F)  

Chance of Rain 45%  

Precipitation 72 mm (2.8 in)  

Rainy days 14 days  

What to Wear in Calais 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. Wet weather is likely, so pack waterproof gear for multiple rainy days.

What To Do in Calais in September

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

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 Calais's climate page.

More climate data for Calais

Temperature Rainfall

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