30YearWeather
Annecy in September
Annecy weather in September - France
🌤️Mild & Comfortable

Annecy Weather in September

Plan your September trip to Annecy, France. Based on 30 years of NASA data, expect temperatures of 20°C (high) to 12°C (low), with 30% rain probability and 8 hours of daily sunshine. Pack rain gear for around 25 rainy days.

Avg High
20°C

Hottest around day 2

Avg Low
12°C

Coolest around day 28

Rainy Days
25days

30% avg rain chance

Sunshine
8hrs/day

Autumn season

Annecy September Weather Calendar

Click any day to see detailed weather information

Day 1
cloudy
Cloudy
22°C23%
Day 2
cloudy
Cloudy
23°C22%
Day 3
cloudy
Cloudy
23°C23%
Day 4
cloudy
Cloudy
23°C23%
Day 5
cloudy
Cloudy
23°C25%
Day 6
cloudy
Cloudy
23°C28%
Day 7
cloudy
Cloudy
22°C29%
Day 8
cloudy
Cloudy
22°C27%
Day 9
cloudy
Cloudy
22°C27%
Day 10
cloudy
Cloudy
22°C28%
Day 11
cloudy
Cloudy
22°C26%
Day 12
cloudy
Cloudy
21°C27%
Day 13
cloudy
Cloudy
21°C30%
Day 14
cloudy
Cloudy
21°C34%
Day 15
cloudy
Cloudy
21°C32%
Day 16
cloudy
Cloudy
20°C32%
Day 17
cloudy
Cloudy
20°C32%
Day 18
cloudy
Cloudy
20°C31%
Day 19
cloudy
Cloudy
20°C30%
Day 20
cloudy
Cloudy
20°C31%
Day 21
cloudy
Cloudy
20°C34%
Day 22
cloudy
Cloudy
20°C35%
Day 23
cloudy
Cloudy
19°C38%
Day 24
cloudy
Cloudy
19°C39%
Day 25
cloudy
Cloudy
18°C39%
Day 26
cloudy
Cloudy
18°C37%
Day 27
cloudy
Cloudy
18°C34%
Day 28
cloudy
Cloudy
18°C31%
Day 29
cloudy
Cloudy
18°C29%
Day 30
cloudy
Cloudy
18°C32%

Essential Travel Info for Annecy

🗓️ Best Time to Visit📖 Travel Guide🍴 Food Guide

Currency

EUR

€ Euro

Language

French

Driving

Right side

Safety

High Safety

GPI: 1.895

Travel Intelligence

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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 Annecy?

👍Very good conditions overall
Short Answer

Annecy shines in September with 21°C pleasant temperatures and minimal 30% rain chance. Expect 9.3 hours of sunshine daily - pack light layers for evenings.

Decision Factors

Vaccinations required

Yellow Fever

Ideal temperature range

20.5°C - perfect for sightseeing and outdoor activities

Health precautions needed

Be aware of: Leptospirosis, Leishmaniasis, Zika

Plenty of sunshine

9.3h of sunshine daily

Shoulder season - balanced conditions

50% of peak - good value with moderate crowds

Exceptional dining scene

39 Michelin-listed restaurants

Good For

  • 🏛️
    Cultural tourists

    Comfortable conditions for exploring museums and sites

  • 💼
    Business travelers

    Climate-controlled meetings unaffected by weather

Who Should Avoid

  • 👴
    Elderly travelers

    79% humidity creates difficult conditions

Related Guides

Best Time to VisitWhen to AvoidAnnecy Overview
900 observations30-year historical data
Confidence: 90%

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Annecy in September averages 20°C with 30% precipitation probability."

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

Frequently Asked Questions: Annecy in September

What are the temperatures in Annecy in September?

Daytime highs average 20°C, nights drop to 12°C. Temperatures remain fairly consistent.

How many rainy days in Annecy in September?

Expect around 25 days with measurable rainfall. Rain is unlikely to disrupt plans.

What to wear in Annecy in September?

Layers are key. A medium-weight jacket and closed-toe shoes.

Is September peak season in Annecy?

This is shoulder season—moderate prices and manageable crowds.