Chamonix-Mont-Blanc

Rhône-Alps Weather in September

Average temperatures, rainfall, sunshine and the best places to visit in the Rhône-Alps, France in September.

Planning a journey to the Rhône-Alps, France this September and curious over the weather conditions to await? Your essential details are found on this page, answering your query:

What to Expect in the Rhône-Alps in September

The Rhône-Alps, France is a region in France. The weather in the Rhône-Alps in September can be quite varied, with temperatures that range from mild to warm and precipitation levels ranging from moderate to high.

Temperatures

The average maximum daytime temperatures vary from mild in Val dʼIsère at 13°C (55°F) to warm in Saint-Just at 26°C (79°F). Nighttime temperatures generally drop to 15°C (59°F) in Saint-Just and 3°C (37°F) in Val dʼIsère.

For specific regional insights in the Rhône-Alps, France, refer to the map provided below.

Precipitation

In September, precipitation varies across different areas. From moderate rainfall in Aussois with an average of 82 mm (3.2 in) to high rainfall in Joyeuse with 144 mm (5.7 in).

Average sunshine

September brings good sunshine to many areas. Lyon sees around 195 hours of sunlight, great for visitors looking for bright days.

Explore the Rhône-Alps by month

Pick a month to see the average temperature, rainfall and sunshine in the Rhône-Alps — and find the best time to visit. (based on Lyon)

Best Places to Visit in the Rhône-Alps in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across the Rhône-Alps.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in the Rhône-Alps

What is the weather like in September for some of the most popular destinations in the Rhône-Alps, France?

Temperature range in the Rhône-Alps (September)

Precipitation variation in the Rhône-Alps (September)

Lyon

In September Lyon generally has high temperatures with maximum daytime temperatures around 23°C (73°F), minimum nighttime temperatures around 12°C (54°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

August
September
October
Max temperature
28°C (82°F)
23°C (73°F)
18°C (64°F)
Min temperature
16°C (61°F)
12°C (54°F)
9°C (48°F)
Monthly sun hours
252 hours
195 hours
130 hours
Monthly rainfall
81 mm (3.2 in)
100 mm (3.9 in)
104 mm (4.1 in)
Monthly rainy days
11 days
10 days
13 days
Weather conditions

Chamonix-Mont-Blanc

In September Chamonix-Mont-Blanc generally has moderate temperatures with maximum daytime temperatures around 14°C (57°F), minimum nighttime temperatures around 3°C (37°F) and high monthly rainfall. So on average the conditions are unpleasant that month.

August
September
October
Max temperature
18°C (64°F)
14°C (57°F)
10°C (50°F)
Min temperature
7°C (45°F)
3°C (37°F)
-1°C (30°F)
Monthly sun hours
230 hours
190 hours
160 hours
Monthly rainfall
134 mm (5.3 in)
120 mm (4.7 in)
119 mm (4.7 in)
Monthly rainy days
17 days
15 days
14 days
Weather conditions

Tignes

In September Tignes generally has moderate temperatures with maximum daytime temperatures around 13°C (55°F), minimum nighttime temperatures around 3°C (37°F) and high monthly rainfall. So on average the conditions are poor that month.

August
September
October
Max temperature
17°C (63°F)
13°C (55°F)
8°C (46°F)
Min temperature
7°C (45°F)
3°C (37°F)
-2°C (28°F)
Monthly sun hours
230 hours
190 hours
160 hours
Monthly rainfall
126 mm (5 in)
124 mm (4.9 in)
116 mm (4.6 in)
Monthly rainy days
16 days
14 days
14 days
Weather conditions

Les Deux Alpes

In September Les Deux Alpes generally has moderate temperatures with maximum daytime temperatures around 15°C (59°F), minimum nighttime temperatures around 4°C (39°F) and high monthly rainfall. So on average the conditions are unpleasant that month.

August
September
October
Max temperature
20°C (68°F)
15°C (59°F)
11°C (52°F)
Min temperature
7°C (45°F)
4°C (39°F)
0°C (32°F)
Monthly sun hours
255 hours
193 hours
139 hours
Monthly rainfall
99 mm (3.9 in)
108 mm (4.3 in)
118 mm (4.6 in)
Monthly rainy days
14 days
13 days
13 days
Weather conditions

Les Menuires

In September Les Menuires generally has moderate temperatures with maximum daytime temperatures around 15°C (59°F), minimum nighttime temperatures around 3°C (37°F) and high monthly rainfall. So on average the conditions are unpleasant that month.

August
September
October
Max temperature
19°C (66°F)
15°C (59°F)
10°C (50°F)
Min temperature
7°C (45°F)
3°C (37°F)
-1°C (30°F)
Monthly sun hours
235 hours
178 hours
122 hours
Monthly rainfall
111 mm (4.4 in)
110 mm (4.3 in)
109 mm (4.3 in)
Monthly rainy days
15 days
13 days
13 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in the Rhône-Alps, in France.

Popular cities in September

Day & night temperatures, rainfall and average weather in the Rhône-Alps in September.

City Weather Day temp Night temp Rainfall
Lyon 23°C (73°F) 12°C (54°F) 100 mm (3.9 in)
Chamonix-Mont-Blanc 14°C (57°F) 3°C (37°F) 120 mm (4.7 in)
Tignes 13°C (55°F) 3°C (37°F) 124 mm (4.9 in)
Les Deux Alpes 15°C (59°F) 4°C (39°F) 108 mm (4.3 in)
Les Menuires 15°C (59°F) 3°C (37°F) 110 mm (4.3 in)
Val Thorens 14°C (57°F) 3°C (37°F) 102 mm (4 in)

The Rhône-Alps weather in September: frequently asked questions

What is the weather like in the Rhône-Alps, France in September?

In September, the Rhône-Alps, France generally has pleasant weather conditions. Lyon sees daytime temperatures near 23°C (73°F), with nights cooling to roughly 12°C (54°F).

What is the average temperature in the Rhône-Alps, France in September?

Lyon averages a daytime maximum of 23°C (73°F) in September, with overnight lows close to 12°C (54°F).

Does the Rhône-Alps, France get a lot of rain in September?

Rain is generally moderate to light in the Rhône-Alps, France during September, with Lyon averaging close to 100 mm (3.9 in).

Is September a Good Time to Visit the Rhône-Alps, France?

Given the typically pleasant weather conditions in Lyon, September might be a good time to visit the Rhône-Alps, France. It's worth noting that weather conditions might differ depending on the location you visit.

Generally speaking, the best visiting conditions can be found in May, June, July and August offering mostly perfect weather in Lyon. In contrast, January, February, November and December tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in the Rhône-Alps.

Weather and climate has detailed information for every country in the world. Are you going to France? Get detailed historical weather averages for many cities in France.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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