30YearWeather
Lyon in September
Lyon weather in September - France
😊Warm & Pleasant

Lyon Weather in September

Plan your September trip to Lyon, France. Based on 30 years of NASA data, expect temperatures of 23°C (high) to 13°C (low), with 21% rain probability and 8 hours of daily sunshine. Great conditions with only 5 rainy days expected.

Avg High
23°C

Hottest around day 2

Avg Low
13°C

Coolest around day 29

Rainy Days
5days

21% avg rain chance

Sunshine
8hrs/day

Autumn season

Lyon September Weather Calendar

Click any day to see detailed weather information

Currency

EUR

Euro

Language

French

Driving

Right side

Connect

Lyon has 5G from all French carriers. Wi...

Safety

High Safety

GPI: 1.895

Travel Intelligence

Exclusive flight analytics & health data for Lyon

Smart Flight Estimator

Airport-to-Airport Logistics

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Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Moderate
55/ 100
Traffic Index

Balanced traffic

Peak Daily Arrivals

0

slots per day

Peak

Sep

Low

Jan

Monthly Traffic Distribution

106
Jan
120
Feb
118
Mar
138
Apr
120
May
217
Jun
244
Jul
223
Aug
247
Sep
233
Oct
168
Nov
232
Dec
Traffic Level
Low Season

Key Connections

Bordeaux/Mérignac Bordeaux-Mérignac (BOD)
Paris Charles de Gaulle (CDG)
Nantes Atlantique (NTE)
Toulouse-Blagnac (TLS)
Madrid Adolfo Suárez –Barajas (MAD)

Health & Safety Advisory

CDC travel health recommendations

7 Recommendations
COVID-19

All eligible travelers should be up to date with their COVID-19 vaccines. Please seeYour COVID-19 Vaccinationfor more information.

Hepatitis A

Consider hepatitis A vaccination for most travelers. It is recommended for travelers who will be doing higher risk activities, such as visiting smaller cities, villages, or rural areas where a traveler might get infected through food or water. It is recommended for travelers who plan on eating street food.

Hepatitis B

Recommended for unvaccinated travelers younger than 60 years old traveling to France. Unvaccinated travelers 60 years and older may get vaccinated before traveling to France.

Measles

Cases of measles are on the rise worldwide. Travelers are at risk of measles if they have not been fully vaccinated at least two weeks prior to departure, or have not had measles in the past, and travel internationally to areas where measles is spreading.All international travelers should be fully vaccinated against measles with the measles-mumps-rubella (MMR) vaccine, including an early dose for infants 6–11 months, according toCDC’s measles vaccination recommendations for international travel.

Rabies

Dogs infected with rabies are not commonly found in France.If rabies exposures occur while in France, rabies vaccines are typically available throughout most of the country.Rabies pre-exposure vaccination considerations include whether travelers 1) will be performing occupational or recreational activities that increase risk for exposure to potentially rabid animals and 2) might have difficulty getting prompt access to safe post-exposure prophylaxis.Please consult with a healthcare provider to determine whether you should receive pre-exposure vaccination before travel.For more information, seecountry rabies status assessments.

Tick-borne Encephalitis

Avoid bug bitesLearn more abouttick-borne encephalitis at your destination.

+1 more

Source: CDC Travelers' Health

View Complete Health Guide

Is September a Good Time to Visit Lyon?

👍Recommended for planning your trip
Short Answer

September is Lyon's peak season for good reason: 23°C temperatures and 21% rain probability. But expect crowds (100% of annual maximum) and premium prices.

Decision Factors

Vaccinations required

Yellow Fever

Peak tourist season

100% of annual peak - expect crowds and peak prices

Ideal temperature range

22.7°C - perfect for sightseeing and outdoor activities

Health precautions needed

Be aware of: Leptospirosis, Leishmaniasis, Zika

Plenty of sunshine

9.4h of sunshine daily

Exceptional dining scene

88 Michelin-listed restaurants

Good For

  • 👨‍👩‍👧‍👦
    Families with children

    Comfortable 22.7°C temperatures and low 21% rain risk

  • 👴
    Elderly travelers

    Comfortable 22.7°C temperature range with manageable humidity

  • 🥾
    Outdoor enthusiasts

    Ideal hiking conditions: 22.7°C, 21% rain chance

  • 🏛️
    Cultural tourists

    Comfortable conditions for exploring museums and sites

  • 💑
    Honeymoon couples

    Wedding score 98/100 with romantic weather conditions

Who Should Avoid

  • 💰
    Budget travelers

    Peak season means premium prices everywhere

900 observations30-year historical data
Confidence: 95%

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Lyon in September averages 23°C with 21% precipitation probability."

📊 Source: 30YearWeather.com🛰️ Data: NASA POWER (1991-2021)View Methodology →

Frequently Asked Questions: Lyon in September

What are the temperatures in Lyon in September?

Daytime highs average 23°C, nights drop to 13°C. Temperatures remain fairly consistent.

How many rainy days in Lyon in September?

Expect around 5 days with measurable rainfall. Rain is unlikely to disrupt plans.

What to wear in Lyon in September?

Comfortable casual wear with a light jacket for evenings.

Is September peak season in Lyon?

This is typically peak season with higher prices. Book 2-3 months ahead.