Les Ulis Weather in September

Les Ulis in September sees high temperatures, with highs around 22°C (72°F) and overnight lows of 11°C (52°F). It's the driest month of the year, with very little rainfall to worry about.

Rainfall in Les Ulis in September

Conditions tend to be dry and settled, making it a good month for outdoor plans. Looking at the last 30 years, the data shows about 12 days with rain, averaging 53 mm (2.1 in) for the month. A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.

Temperature in Les Ulis in September

September in Les Ulis is generally perfect, with days reaching 22°C (72°F) and nights settling around 11°C (52°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights cool down to 11°C (52°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Les Ulis 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 Les Ulis.

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• January
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For a detailed overview over the year and the best time to visit France, check out our Les Ulis's climate page.

Les Ulis Temperature in September

Min Temperature 11°C (52°F)  

Max Temperature 22°C (72°F)  

Chance of Rain 40%  

Precipitation 53 mm (2.1 in)  

Rainy days 12 days  

Humidity 77% *  

Sunshine 172 hours *  

Percentage Sunshine 44% *  

* Data from: Paris, France (37 KM, 23 Miles).

What to Wear in Les Ulis in September

For Les Ulis 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 Les Ulis 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 Les Ulis's climate page.

More climate data for Les Ulis

Temperature Rainfall Sunshine Humidity

See the full Les Ulis climate overview or explore weather in France.