Average Sunshine in France for September

The tables below give September averages for the number of sunny days and hours of sunshine at dozens of cities throughout France.

For most places the total number of hours in the month with sunshine is an average of data collected from 1991 to 2020, while the rest are averages of 1991 to 2010. The numbers of days with strong and weak sunshine are based on measurements made from 1991 to 2000.

There's a separate table for each corner of the country: Southeast, Southwest, Northeast and Northwest, plus Central France.

Southeastern France

Total September sunshine

Hours	Place	Days of Strong Sun	Days of Weak Sun
261	Ajaccio (Corsica)	15	2
238	Bastia (Corsica)	11	4
189	Bourg-Saint-Maurice	3	8
254	Cannes	–	–
216	Carcassonne	9	6
199	Grenoble	9	8
186	Lyon	9	9
259	Marseille	15	4
231	Montelimar	–	–
247	Montpellier	13	5
250	Nice	13	3
224	Perpignan	11	6
259	Toulon	15	3

Southwestern France

Average amount of sun in September

Hours	Place	Days of Strong Sun	Days of Weak Sun
199	Biarritz	8	8
209	Bordeaux	8	8
193	Pau	–	–
195	Tarbes	–	–
204	Toulouse	9	7

Central France

Average September sun

Hours	Place	Days of Strong Sun	Days of Weak Sun
191	Clermont-Ferrand	8	8
191	Dijon	7	9
234	La Rochelle	8	7
198	Limoges	9	10
185	Orléans	7	10
175	Paris	5	10
200	Poitiers	8	8
191	Tours	7	10

Northeastern France

Number of sunny hours and days in September on average

Hours	Place	Days of Strong Sun	Days of Weak Sun
184	Besançon	7	10
171	Colmar	6	10
155	Lille	4	10
158	Metz	6	11
172	Nancy	5	11
–	Reims	4	10
174	Strasbourg	5	11
186	Troyes	7	8

Northwestern France

Average total sunshine in September

Hours	Place	Days of Strong Sun	Days of Weak Sun
186	Angers	7	9
158	Brest	4	10
171	Caen	4	9
185	Le Mans	6	9
193	Lorient	5	7
199	Nantes	7	8
181	Rennes	5	9
159	Rouen	4	11
164	Saint-Brieuc	4	10