Lyonnais (Around Lyon) in september: average Weather, Temperature and Climate, Where to go?
Weather around Lyon in september 2025
Below, check out the weather forecast for the month of september for most popular cities in Lyonnais (Around Lyon). These predictions are probabilities for the month of september from weather reports for many years. The percentage indicates the probability of having the weather indicated.
Average weather in september in Lyon
good weather
Weather at 6am
58°F
Clear/Sunny
29% of time
23%
23%
14%
Weather at 12pm
74°F
Clear/Sunny
46% of time
23%
23%
6%
Weather at 6pm
63°F
Clear/Sunny
46% of time
23%
22%
6%
Weather at 3am
54°F
31%
26%
20%
16%
Where to go around Lyon in september?
Where to go around Lyon in september: destination map
perfect weather
good
tolerable
bad
very bad
Where to go in september based on the weather?
| Ain (Bourg-en-Bresse (Ain), Belley, Pérouges...) | 70°F to 74°F | 6 à 8 days | good weather |
| Isère (Vienne, Voiron, Bourgoin...) | 65°F to 74°F | 4 à 5 days | good weather |
| Loire (Saint-Etienne, Roanne, Sainte-Croix-en-Jarrez...) | 72°F | 4 à 5 days | good weather |
| Rhône (Lyon, Villeurbanne, Montagny...) | 70°F to 74°F | 5 à 6 days | good weather |
Where should you go around Lyon in september when it comes to the weather?
Remember:
The climate around Lyon in september is good across the board.
You are lucky: It is not perfect, however, the weather in Lyonnais (Around Lyon) in september is, on average, good averywhere: in Villefranche-sur-Saône, Ambérieu-en-Bugey, Villars-les-Dombes, Oyonnax, Bourg-en-Bresse (Ain), Drôme, Tarare, Montbrison, Hauteville-Lompnes, Belley, Pilat Regional Natural Park, Rive-de-Gier, Lyon, Sainte-Croix-en-Jarrez, Roanne, Voiron, La Cote-Saint-Andre, Ardèche, Saint-Etienne, Firminy, Pérouges, Montagny, Givors, Saint-Chamond, Belleville-en-Beaujolais, Villeurbanne and Chatillon-sur-Chalaronne. I allows to appreciate vacation in these cities. And even why not take a little time to lazing in the sun!
Climate around Lyon in september
Climate in Lyon in september
In the month of september, the mean temperature in Lyon is 67°F (maximum temperature is 74°F and minimum temperature is 58°F). The climate pleasant here in this month. With 3.8in over 6 days, you will experience some showers throughout your holidays. But this is reasonably and it is only of temporary showers.
With a good climate, september is a good time to go there in Rhône-Alpes.
| September | |||
| Average temperature | 67°F | ||
| Highest temperature | 74°F | ||
| Lowest temperature | 58°F | ||
| Rainfall | 3.8in | ||
| Number of days with rainfall | 6 day(s) (20%) | ||
| Humidity | 89% | ||
| Daily sunshine hours | 11 | ||
| Cloud cover | 33% | ||
| Length of day | 12:33 | ||
| Our opinion at whereandwhen.net | good |
Climate in Belley in september
In the month of september, the mean temperature in Belley is 63°F (maximum temperature is 74°F and minimum temperature is 52°F). The climate is good there in september. With 3.9in over 6 days, you will experience some showers throughout your stay. But this is moderate and you will not be too bothered by it.
With a good climate, september is an advisable month to go in that area.
| September | |||
| Average temperature | 63°F | ||
| Highest temperature | 74°F | ||
| Lowest temperature | 52°F | ||
| Rainfall | 3.9in | ||
| Number of days with rainfall | 6 day(s) (19%) | ||
| Humidity | 89% | ||
| Daily sunshine hours | 12 | ||
| Cloud cover | 30% | ||
| Length of day | 12:33 | ||
| Our opinion at whereandwhen.net | good |
Climate in Bourg-en-Bresse (Ain) in september
In the month of september, the mean temperature in Bourg-en-Bresse (Ain) is 63°F (maximum temperature is 72°F and minimum temperature is 54°F). The climate enjoyable in that locality in the month of september. With 4.7in over 7 days, you risk getting wet slightly throughout your holidays. But this is reasonably and you will not be too bothered by it.
With good weather conditions, the month of september is a good month to go in Bourg-en-Bresse (Ain) in Rhône-Alpes.
| September | |||
| Average temperature | 63°F | ||
| Highest temperature | 72°F | ||
| Lowest temperature | 54°F | ||
| Rainfall | 4.7in | ||
| Number of days with rainfall | 7 day(s) (23%) | ||
| Humidity | 92% | ||
| Daily sunshine hours | 11 | ||
| Cloud cover | 33% | ||
| Length of day | 12:33 | ||
| Our opinion at whereandwhen.net | good |
Climate in Pérouges in september
In september, the mean temperature in Pérouges is 63°F (maximum temperature is 72°F and minimum temperature is 56°F). The climate is comfortable in that locality in september. With 6.1in over 8 days, you will experience some showers during your trip. But this is reasonably and you will not be too bothered by it.
With good weather conditions, september is an advisable month to go in Pérouges.
| September | |||
| Average temperature | 63°F | ||
| Highest temperature | 72°F | ||
| Lowest temperature | 56°F | ||
| Rainfall | 6.1in | ||
| Number of days with rainfall | 8 day(s) (26%) | ||
| Humidity | 93% | ||
| Daily sunshine hours | 11 | ||
| Cloud cover | 37% | ||
| Length of day | 12:33 | ||
| Our opinion at whereandwhen.net | good |
Climate in Roanne in september
In september, the mean temperature in Roanne is 61°F (maximum temperature is 72°F and minimum temperature is 50°F). The climate quite pleasant in that area in this month. With 3.8in over 5 days, rain may occur for your trip. But this is rather reasonably and it will not be continuous.
With good weather conditions, the month of september is a recommended month to go there.
| September | |||
| Average temperature | 61°F | ||
| Highest temperature | 72°F | ||
| Lowest temperature | 50°F | ||
| Rainfall | 3.8in | ||
| Number of days with rainfall | 5 day(s) (18%) | ||
| Humidity | 90% | ||
| Daily sunshine hours | 11 | ||
| Cloud cover | 38% | ||
| Length of day | 12:33 | ||
| Our opinion at whereandwhen.net | good |
All cities around Lyon in september
| Lyon in september | good weather |
| Belley in september | good weather |
| Bourg-en-Bresse (Ain) in september | good weather |
| Pérouges in september | good weather |
| Roanne in september | good weather |
| Saint-Etienne in september | good weather |
| Vienne in september | good weather |
| Villeurbanne in september | good weather |
| Montagny in september | good weather |
| Belleville-en-Beaujolais in september | good weather |
| Pilat Regional Natural Park in september | good weather |
| Sainte-Croix-en-Jarrez in september | good weather |
| Ambérieu-en-Bugey in september | good weather |
| Bellegarde-sur-Valserine in september | good weather |
| Bourgoin in september | good weather |
| Chatillon-sur-Chalaronne in september | good weather |
| Firminy in september | good weather |
| Givors in september | good weather |
| Hauteville-Lompnes in september | good weather |
| La Cote-Saint-Andre in september | good weather |
| Montbrison in september | good weather |
| Oyonnax in september | good weather |
| Rive-de-Gier in september | good weather |
| Saint-Chamond in september | good weather |
| Tarare in september | good weather |
| Villars-les-Dombes in september | good weather |
| Villefranche-sur-Saône in september | good weather |
| Voiron in september | good weather |
Weather data for Lyonnais (Around Lyon) in september:
Weather data for Lyonnais (Around Lyon) in september is derived from an average of the weather forecast since 2009 around Lyon. There is a margin of error and these forecasts are to be considered as general information only. The weather around Lyon can vary slightly from year to year, but these predictions should limit surprises. So you can pack your bags and check when is the best time to go around Lyon.