Here we are in September! And often at the start of the school year, there is change in the air. We discover together the upheavals and innovations that await you in France in Paris in Paris in September 2025.
Each September school year marks the entry into force of new legislative, tax and social measures In France. September 2025 does not derogate from the rule, with several developments which concern all French. These adjustments may concern the purchasing powerTHE energy billsthat social aidTHE taxesor regulated price. Here we share the changes to come to the local level (Paris and Île-de-France) as well as on the national scale.
Why September is a key month
Traditionally, September coincides with the Political and economic school yearmoment chosen by governments for implement budgetary measures or adapt public policies. Certain reforms adopted in spring or in summer often find their Concrete application from September 1with a direct impact on householdsTHE companies or even local authorities.
In addition, we share the reforms that can impact your daily life over the months. If you have missed the changes in August, go here!
What changed in September 2025 in France:
Work stoppage: end of the tolerance period vis-à-vis old forms
Since July 1, 2025, a new safety paper form for work stoppages has been set up. A period of tolerance followed the establishment of this anti-fraud measure. Now from September 1, 2025, obsolete forms will be systematically rejected by health insurance.
Maprimerine ‘ is a public aid to support the renovation of housing. The route concerning the large -scale renovation has been suspended since June 2025 and should be available again in September. Note that this suspension did not concern the renovation files for condominiums or individual work.
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