High temperatures expected in Paris and Lyon on September 15

Highs of 33°C in Paris and Lyon
In Paris, on September 15, a high of 33°C is forecast under sunny skies, with humidity of 25% and a 10% chance of rain. At 3:00 p.m., the temperature is expected to reach 32°C under clear skies. At 6:00 p.m., it is forecast to be 31°C with sunny skies, with a 10% chance of rain forecast for that hour.
In Lyon, the high for the day is also forecast to be 33°C under sunny skies, with humidity of 30% and a 10% chance of rain. At 3:00 p.m., the forecast temperature is 32°C under clear skies, and at 6:00 p.m., it is forecast to be 33°C under sunny skies.
Sunny skies in Marseille, occasional clouds in Lille
In Marseille, a high of 29°C is forecast under sunny skies, with a 10% chance of rain. At 6:00 a.m., the forecast temperature is 19°C under clear skies, and at 9:00 p.m., it is forecast to be 23°C under clear skies.
In Lille, September 15 is forecast to bring a high of 27°C under sunny skies with some clouds, and a 20% chance of rain. At 3:00 p.m., cloudy skies are forecast, with a 40% chance of rain and no precipitation expected (0.0 mm) for that hour. At 6:00 p.m., the forecast chance of rain is also 40%, with no precipitation expected at that time.
Air quality and daily indices
At 12:00 p.m., forecast air quality is “Excellent” in Paris, Lyon, and Lille, while a “Good” level is forecast in Marseille for the entire day. The driving index is rated “Excellent” in Paris, Lyon, Marseille, and Lille for September 15.
The skin-care index indicates a risk of oily skin to monitor in all four cities, while the clothing index suggests wearing short sleeves in Paris, Lyon, Marseille, and Lille. The outdoor activity index is rated “Good” in Lille and Marseille, compared with “Slightly unfavorable” in Paris and Lyon.




