September 2023 to be France's hottest September ever

The Local France
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September 2023 to be France's hottest September ever
Dried sunflowers in a field in Saint-Ciers-sur-Bonnieure, southwestern France (Photo by Philippe LOPEZ / AFP)

September 2023 is on track to be the hottest September France has ever recorded, according to national weather service Météo France's monthly report.


Average temperatures for the whole month, based on data from 30 of the weather stations distributed evenly across the territory, found that temperatures have been 3.6C higher than average seasonal norms seen between 1991 and 2020, according to Météo France.

On average, temperatures across the country were higher than 21.3C during September.

September 2023 also marks the 20th consecutive month that France noted an "abnormally warm" month, Le Parisien reported. 

The month began with a late-summer heatwave, leading to the record for the "hottest day in September" being broken twice: first on September 4th and for a second time on September 9th. 


Even though temperatures cooled down toward the end of the month, weather forecaster la Chaîne Météo noted that apart from the period between September 22-24, average temperatures for all other days of the month were higher than seasonal norms.

Certain areas were more impacted than others - namely the southern French city of Toulouse, which had already recorded over 14 days of temperatures above 30C before the end of the month. 

READ MORE: MAP: Which are the hottest towns in France?

Regionally, the Centre-Val de Loire saw highest increases in average temperatures (+4.5C) above seasonal norms during September. Burgundy came in second place with average temperatures of 4.4C above what would be expected for the season.

What is expected for October?

The month of October is expected to start with potentially another record-breaking day when it comes to heat. 

Forecasters expect the mercury to top 30C in southwest France on October 1st and 2nd. 

READ MORE: Hotter than July': France set for record-breaking temperatures this weekend


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