Pontoise weather in September (Ile de France, France)

Curious about the September weather in Pontoise? Here's what the weather might have in store during this month.

In Pontoise, September is characterized by pleasant temperatures and moderate rainfall. Throughout the daytime, temperatures often hover around 22°C. However, as the sun sets and evening approaches, there's a noticeable cool-down, with temperatures gently dropping to a more temperate 11°C.

Pontoise in September usually receives moderate rainfall, averaging around 50 mm for the month. It is the driest month of the year. For those who prefer outdoor activities, it's a great time to explore without the huge concern of sudden downpours. Based on our climate data of the past 30 years, about 12 days of rain are anticipated.

The city usually sees around 172 hours of sunlight, indicating a moderately sunny period.

If you're inclined towards comfortable temperatures and drier conditions, September is a prime time to visit Pontoise. May, June, July, August and September typically offer the best circumstances. While January, February and December tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Pontoise climate page with graphs.

 

Pontoise, monthly averages in September

Min Temperature 11°C  

Max Temperature 22°C  

Chance of Rain 41%  

Precipitation 50 mm  

Rainy days 12 days  

Humidity 77% *  

Sunshine 172 hours *  

Percentage Sunshine 44% *  

* Data from: Paris, France (27 KM, 16 Miles).

Where to go in France in September

Find out more about the weather in France in September and which places have the best weather conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in Pontoise in September?

For visitors traveling to Pontoise, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.

What To Do

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

Swimming

6/10

Cycling

10/10

Walking

10/10

Camping

8/10

Outdoor sports

10/10

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Pontoise.

Our site offers climate and forecast data for every country in the world. Are you going to France? On this website you can find historical weather averages for many cities in France. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.