Sunny skies over Paris, Lyon, Marseille and Lille on September 12

Paris: sunny skies and a high of 25°C

On September 12, Paris is expected to reach a high of 25°C and a low of 16°C under sunny skies. Winds will be light at 2 m/s from 12°, and the probability of precipitation will reach 10% during the day. An area of high pressure is expected to remain nearly stationary from late morning through the evening.

Air quality will be rated good at 06:00 and 09:00, excellent at 12:00 and 15:00, then good again at 21:00. The activity index is rated excellent, the skin index indicates skin-friendly conditions, and the clothing index recommends short sleeves. The driving index is rated excellent.

Lyon and Marseille: highs of 27°C

In Lyon, the high will reach 27°C, compared with a low of 15°C, under sunny skies. The probability of precipitation will reach 10% for the day. In Marseille, the high will also reach 27°C, with a low of 17°C and similarly sunny weather.

In both cities, daily air quality is rated good, the activity index is excellent, and the clothing index recommends short sleeves. The skin index indicates slightly dry skin, with hydration recommended. The driving index is rated excellent in both Lyon and Marseille.

Lille: sunny spells and a few clouds

Farther north, Lille will see a high of 23°C and a low of 13°C, under skies described as sunny with a few clouds. The probability of precipitation will reach 20% during the day.

Air quality will be rated good at 06:00, excellent at 12:00, then good again at 21:00. The clothing index recommends long sleeves, the activity index is rated excellent, and the driving index is rated excellent in Lille.