What is the weather like in Vienna in September?

Expect temperatures between 12°C and 21°C with 24% average rain probability and about 8 hours of sunshine daily.

What is the weather like in Vienna in September?

Vienna in September scores 65/100 based on 30 years of climate data. Solid choice for most travelers.

Who should visit Vienna in September?

September in Vienna is ideal for: Families with children, Elderly travelers, Outdoor enthusiasts, Cultural tourists, Honeymoon couples.

Vienna Weather in September | 30-Year Forecast

Avg High

21°C

Hottest around day 1

Avg Low

12°C

Coolest around day 30

Rainy Days

12days

24% avg rain chance

Sunshine

8hrs/day

Autumn season

Essential Travel Info for Vienna

🗓️ Best Time to Visit 📖 Travel Guide 🍴 Food Guide

Currency

EUR

€ Euro

Language

German

Driving

Right side

Connect

As of Sep 2025, the entire city and its ...

Safety

Very High Safety

GPI: 1.3

Travel Intelligence

Exclusive flight analytics & health data for Vienna

Smart Flight Estimator

Airport-to-Airport Logistics

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Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Major Hub

89/ 100

Traffic Index

Extremely busy airport

Peak Daily Arrivals

slots per day

Peak

Aug

Low

Jan

Monthly Traffic Distribution

246

Jan

276

Feb

282

Mar

337

Apr

362

May

764

Jun

780

Jul

787

Aug

746

Sep

720

Oct

586

Nov

679

Dec

Traffic Level

Low Season

Health & Safety Advisory

CDC travel health recommendations

6 Recommendations

COVID-19

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

Hepatitis B

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

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 Austria.If rabies exposures occur while in Austria, 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

For travelers moving or traveling toTBE-endemic areasTBE vaccineis recommended for persons who will haveextensiveexposure to ticks based on their planned outdoor activities and itinerary.TBE vaccine may be considered for persons who might engage in outdoor activities in areas ticks are likely to be found.

Yellow Fever

CDC recommendations:Vaccine isnotrecommended.Country entry requirements:Vaccine isnotrequired.Updated April 23, 2025

Source: CDC Travelers' Health

View Complete Health Guide

Is September a Good Time to Visit Vienna?

👍Solid choice for most travelers(65/100)

Short Answer

September is Vienna's peak season for good reason: 21°C temperatures and 24% rain probability. But expect crowds (95% of annual maximum) and premium prices.

Decision Factors

Vaccinations required

Yellow Fever

Peak tourist season

95% of annual peak - expect crowds and peak prices

Ideal temperature range

20.9°C - perfect for sightseeing and outdoor activities

Health precautions needed

Be aware of: Leptospirosis, Hantavirus, Parvovirus B19

Plenty of sunshine

8.6h of sunshine daily

Rich cultural heritage

5 UNESCO World Heritage sites nearby

Good For

👨‍👩‍👧‍👦
Families with children
Comfortable 20.9°C temperatures and low 24% rain risk
👴
Elderly travelers
Comfortable 20.9°C temperature range with manageable humidity
🥾
Outdoor enthusiasts
Ideal hiking conditions: 20.9°C, 24% rain chance
🏛️
Cultural tourists
Comfortable conditions for exploring museums and sites
💑
Honeymoon couples
Wedding score 95/100 with romantic weather conditions

Who Should Avoid

💰
Budget travelers
Peak season means premium prices everywhere

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Vienna in September averages 21°C with 24% precipitation probability."

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

Frequently Asked Questions: Vienna in September

What are the temperatures in Vienna in September?

Daytime highs average 21°C, nights drop to 12°C. Temperatures remain fairly consistent.

How many rainy days in Vienna in September?

Expect around 12 days with measurable rainfall. Rain is unlikely to disrupt plans.

What to wear in Vienna in September?

Comfortable casual wear with a light jacket for evenings.

Is September peak season in Vienna?

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

Vienna Weather in September

Vienna September Weather Calendar

Essential Travel Info for Vienna

Travel Intelligence

Smart Flight Estimator

Flight Connectivity Analysis

Monthly Traffic Distribution

Health & Safety Advisory

COVID-19

Hepatitis B

Measles

Rabies

Tick-borne Encephalitis

Yellow Fever

Is September a Good Time to Visit Vienna?

Decision Factors

Good For

Who Should Avoid

Related Guides

Frequently Asked Questions: Vienna in September

What are the temperatures in Vienna in September?

How many rainy days in Vienna in September?

What to wear in Vienna in September?

Is September peak season in Vienna?