Chailly-en-Bière Weather in September

September in Chailly-en-Bière typically sees daytime highs of 22°C (72°F) and nighttime lows of 11°C (52°F). With the least rainfall of the year, it's a reliably dry month.

Rainfall in Chailly-en-Bière in September

As the driest month, it's a great time for hiking and exploring the area. Analyzing past climate data, one can expect approximately 12 days of rain, averaging 54 mm (2.1 in). Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.

Temperature in Chailly-en-Bière in September

Weather in Chailly-en-Bière is at its perfect in September. Highs reach 22°C (72°F), while nights settle around 11°C (52°F). This kind of day-to-night contrast is typical for this time of year. With overnight lows of 11°C (52°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 Chailly-en-Bière in September

The area enjoys a balanced 172 hours of sunlight, ensuring it's neither too overcast nor too sunny.

If you favor pleasant temperatures and minimal rainfall, September is one of the best months to visit Chailly-en-Bière.

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

Chailly-en-Bière Temperature in September

Min Temperature 11°C (52°F)  

Max Temperature 22°C (72°F)  

Chance of Rain 38%  

Precipitation 54 mm (2.1 in)  

Rainy days 12 days  

Humidity 77% *  

Sunshine 172 hours *  

Percentage Sunshine 44% *  

* Data from: Paris, France (56 KM, 35 Miles).

What to Wear in Chailly-en-Bière in September

For Chailly-en-Bière in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Chailly-en-Bière in September

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

Swimming

6/10

Cycling

10/10

Walking

10/10

Camping

8/10

Outdoor sports

10/10

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 Chailly-en-Bière's climate page.

More climate data for Chailly-en-Bière

Temperature Rainfall Sunshine Humidity

See the full Chailly-en-Bière climate overview or explore weather in France.