Trappes Weather in September

September in Trappes 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 Trappes in September

As the driest month, it's a great time for hiking and exploring the area. Historically, September sees about 12 days of rain, with a monthly average of 54 mm (2.1 in). A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.

Temperature in Trappes in September

September is a good time to be in Trappes. Days are perfect, reaching 22°C (72°F), with nights around 11°C (52°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. 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 Trappes in September

The month brings about 172 hours of sunlight, offering a comfortable mix of sun and overcast.

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

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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 Trappes's climate page.

Trappes Temperature in September

Min Temperature 11°C (52°F)  

Max Temperature 22°C (72°F)  

Chance of Rain 40%  

Precipitation 54 mm (2.1 in)  

Rainy days 12 days  

Humidity 77% *  

Sunshine 172 hours *  

Percentage Sunshine 44% *  

* Data from: Paris, France (39 KM, 24 Miles).

What to Wear in Trappes 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. Rain gear is recommended, you can expect wet weather on multiple days. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Trappes 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 Trappes's climate page.

More climate data for Trappes

Temperature Rainfall Sunshine Humidity

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