Average Rainfall for France in September

The tables below give monthly averages for rainfall during September at cities in France. Each place has a total for how many days of wet weather it usually gets this month and for the normal amount of precipitation.

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

The calculation of days only includes the days when precipitation totalled at least one millimetre (0.04 inches). The month's total rainfall is an average of weather data collected during 1991 to 2020.

Southeastern France

Average monthly precipitation in September
Days Place Inches Milli­metres
5 Ajaccio, Corsica 2.3 58
5 Bastia, Corsica 2.9 75
8 Bourg-Saint-Maurice 2.7 68
5 Cannes 3.6 92
6 Carcassonne 1.9 48
12 Chastreix 5.6 141
8 Grenoble 3.9 99
7 Lyon 3.4 87
8 Mont Aigoual 7.2 184
6 Montelimar 4.6 116
5 Montpellier 3.4 87
5 Nice 3.2 81
4 Perpignan 1.7 43
5 Toulon 2.8 70

Southwestern France

September averages for total rainfall
Days Place Inches Milli­metres
10 Biarritz 4.7 118
81 Bordeaux 3.2 81
9 Pau 3.0 77
9 Tarbes 2.9 74
6 Toulouse  2.0 51

Central France

Average amount of rain in September
Days Place Inches Milli­metres
7 Clermont-Ferrand 2.3 58
8 Dijon 2.2 56
7 La Rochelle 2.4 60
10 Limoges 2.9 75
8 Orléans2.0 51
8 Paris 1.8 45
7 Poitiers 2.1 53
8 Tours 2.0 52

Northeastern France

Precipitation totals for September
Days Place Inches Milli­metres
9 Besançon 4.0 101
10 Calais 2.5 63
8 Colmar 1.8 46
10 Lille 2.2 57
8 Metz 2.4 62
9 Nancy 2.4 61
8 Strasbourg 2.1 55
8 Troyes 2.1 52
7 Angers 2.1 54

Northwestern France

Total precipitation during September
Days Place Inches Milli­metres
10 Brest 3.1 79
9 Caen 2.1 54
8 Le Mans 2.0 51
8 Lorient 2.6 66
8 Nantes 2.3 60
8 Rennes 2.2 57
9 Rouen 2.4 62
8 Saint-Brieuc 2.1 52
Reference

Météo France. Climatologie. Normales et records. Données publiques. Fiche climatologique.

France Precipitation
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