What is the weather like in Warsaw in September?

Expect temperatures between 11°C and 19°C with 20% average rain probability and about 8 hours of sunshine daily.

What is the weather like in Warsaw in September?

Warsaw in September scores 64/100 based on 30 years of climate data. Decent conditions for most activities.

Who should visit Warsaw in September?

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

Warsaw Weather in September | 30-Year Forecast

Avg High

19°C

Hottest around day 1

Avg Low

11°C

Coolest around day 30

Rainy Days

3days

20% avg rain chance

Sunshine

8hrs/day

Autumn season

Essential Travel Info for Warsaw

🗓️ Best Time to Visit 📖 Travel Guide 🍴 Food Guide

Currency

PLN

zł Polish złoty

Language

Polish

Driving

Right side

Connect

Free wi-fi is widespread in Warsaw. Muni...

Safety

High Safety

GPI: 1.552

Travel Intelligence

Exclusive flight analytics & health data for Warsaw

Smart Flight Estimator

Airport-to-Airport Logistics

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Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Moderate

59/ 100

Traffic Index

Balanced traffic

Peak Daily Arrivals

slots per day

Peak

Jun

Low

Nov

Monthly Traffic Distribution

228

Jan

205

Feb

202

Mar

264

Apr

268

May

293

Jun

272

Jul

253

Aug

285

Sep

279

Oct

167

Nov

241

Dec

Traffic Level

Low Season

Key Connections

Amsterdam Schiphol (AMS)

Vienna Schwechat (VIE)

Frankfurt-am-Main (FRA)

Copenhagen Kastrup (CPH)

London Heathrow (LHR)

Health & Safety Advisory

CDC travel health recommendations

8 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

Recommended for unvaccinated travelers one year old or older going to Poland.Infants 6 to 11 months old should also be vaccinated against Hepatitis A. The dose does not count toward the routine 2-dose series.Travelers allergic to a vaccine component should receive a single dose of immune globulin, which provides effective protection for up to 2 months depending on dosage given.Unvaccinated travelers who are over 40 years old, are immunocompromised, or have chronic medical conditions planning to depart to a risk area in less than 2 weeks should get the initial dose of vaccine and at the same appointment receive immune globulin.

Hepatitis B

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

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.

Polio

In Poland poliovirus has been identified in the past year.Travelers to Poland are at increased risk of exposure to poliovirus.Vaccine recommendations: Adults traveling to Poland who received a complete polio vaccination series as children may receive a single lifetime booster dose of inactivated polio vaccine; travelers who are unvaccinated or not fully vaccinated should receive a complete polio vaccination series before travel. Children who are not fully vaccinated will be considered for anaccelerated vaccination schedule.

Rabies

Dogs infected with rabies are not commonly found in Poland.Rabies is present in some terrestrial wildlife species.If rabies exposures occur while in Poland, 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.

+2 more

Source: CDC Travelers' Health

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Is September a Good Time to Visit Warsaw?

👌Decent conditions for most activities(64/100)

Short Answer

September is Warsaw's peak season for good reason: 19°C temperatures and 20% rain probability. But expect crowds (97% of annual maximum) and premium prices.

Decision Factors

Vaccinations required

Yellow Fever

Peak tourist season

97% of annual peak - expect crowds and peak prices

Health precautions needed

Be aware of: Leptospirosis, Hantavirus, Tuberculosis (TB)

Plenty of sunshine

8.2h of sunshine daily

Exceptional dining scene

23 Michelin-listed restaurants

Good For

👨‍👩‍👧‍👦
Families with children
Comfortable 19.1°C temperatures and low 20% rain risk
🥾
Outdoor enthusiasts
Ideal hiking conditions: 19.1°C, 20% rain chance
🏛️
Cultural tourists
Comfortable conditions for exploring museums and sites
💑
Honeymoon couples
Wedding score 95/100 with romantic weather conditions
💼
Business travelers
Climate-controlled meetings unaffected by weather

Who Should Avoid

💰
Budget travelers
Peak season means premium prices everywhere
👴
Elderly travelers
75% humidity creates difficult conditions

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Warsaw in September averages 19°C with 20% precipitation probability."

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

Frequently Asked Questions: Warsaw in September

What are the temperatures in Warsaw in September?

Daytime highs average 19°C, nights drop to 11°C. Temperatures remain fairly consistent.

How many rainy days in Warsaw in September?

Expect around 3 days with measurable rainfall. Rain is unlikely to disrupt plans.

What to wear in Warsaw in September?

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

Is September peak season in Warsaw?

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

Warsaw Weather in September

Warsaw September Weather Calendar