Warsaw events & things to do in September 2026
Start with Old Town Market Square and Barbican, Copernicus Science Centre, plus Łazienki Park and Palace on the Isle. September in Warsaw averages 19°C / 66°F highs, 10°C / 49°F nights, and about 8 rainy days.
Expect 19°C/66°F days and about 8 rainy ones in September. Start with these:
- Old Town Market Square and Barbican★ 4.7 · 10.8k reviewsThe Old Town core was almost completely destroyed in World War II and meticulously reconstructed from paintings, surveys, and surviving fragments…
- Copernicus Science Centre★ 4.6 · 57.5k reviewsThe Vistula-side science center opened in 2010 with hands-on physics exhibits, robotics, and the Heavens of Copernicus planetarium.
- NOTHINGSep 1Hydrozagadka · Source: Ticketmaster
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By TripSapien Research · Updated June 3, 2026
Warsaw in September 2026
Weather
TempTemperature
66°F / 49°F
19.1°C / 9.5°C
RainPrecipitation
8d
2in · 50mm
LightDaylight
12.4h
September is mild and less crowded, a strong month for the Old Town, Powiśle, and Praga murals.
Events & festivals
Event calendar- Sep 4 – Sep 5
- Sep 4
- Sep 7
Show all 39 events for September
- Sep 8
- Sep 8 – Sep 9
- Sep 8
- Sep 9
- Sep 10 – Sep 13
Burn Selector Festival 2026
An electronic and alternative music festival featuring a diverse lineup of artists and DJs, held annually in Warsaw during September.
Planning lead · dates set closer in · Source: festival research
- Sep 10
- Sep 12
- Sep 12
- Sep 12
- Sep 13
- Sep 14 – Sep 27
Warsaw Autumn 2026
International festival of contemporary music showcasing avant-garde compositions and performances by leading contemporary musicians.
Planning lead · dates set closer in · Source: festival research
- Sep 15
- Sep 15
- Sep 16
- Sep 16
- Sep 16
- Sep 18
- Sep 19
- Sep 20
- Sep 20
- Sep 20
- Sep 21
- Sep 22
- Sep 23
- Sep 23
- Sep 24
- Sep 26 – Sep 27
- Sep 26
- Sep 27
- Sep 27
- Sep 28
Father Of Peace – The Year Of Madness & The Mystery Century Tour
Music · Alternative.
Source: Ticketmaster
- Sep 28
- Sep 29
- Sep 29
- Sep 29
- Sep 29
About Warsaw
City overview
Warsaw is a Vistula River capital rebuilt around memory: the UNESCO Old Town was reconstructed after 1945, while Śródmieście and Praga show the city's Soviet, Jewish, and post-industrial layers. The most useful traveler axis runs from Castle Square down Krakowskie Przedmieście and Nowy Świat, then east across the river to Praga's factory courtyards and murals.
Food & drink
Warsaw food is milk-bar, market, and modern Polish: pierogi are dumplings filled with potato, cheese, meat, or fruit, zurek brings sour rye soup with sausage and egg, bigos stews cabbage and meat, and kotlet schabowy plates breaded pork cutlet with potatoes. Hala Gwardii, Hala Mirowska, Praga Koneser, and milk bars around Śródmieście make it easy to compare zapiekanka, paczki, old canteens, and newer tasting menus.
Top sights
Ranked for September suitability using weather, setting, ratings, and review volume.
- 1Łazienki Park and Palace on the Isle
- 2Royal Castle
- 3Warsaw Uprising Museum
- 4Wilanów Palace
- 5Palace of Culture and Science
- 6POLIN Museum of the History of Polish Jews
- 7National Museum in Warsaw
- 8Neon Museum
1Łazienki Park and Palace on the Isle
4.8★ · 21,436indoorClosed MonKing Stanisław August Poniatowski reshaped this royal bath estate in the late 18th century around a lake palace, amphitheatre, orangery, and peacocks. The Chopin Monument lawn hosts summer Sunday piano recitals beside Aleje Ujazdowskie.
2Royal Castle
4.7★ · 58,192indoorClosed MonThe brick royal residence was rebuilt between 1971 and 1984 after wartime destruction, restoring state apartments, Canaletto rooms, and the Castle Square facade. It anchors the northern end of the Royal Route beside Sigismund Column.
3Warsaw Uprising Museum
4.7★ · 38,769indoorClosed TueOpened in 2004 inside a former tram power station, the museum documents the 1944 uprising through aircraft fragments, sewers, street reconstructions, and insurgent testimonies. It stands in Wola, two tram stops west of Rondo Daszyńskiego.
Wikipedia
Show 3 more sights
- 4Wilanów Palace
- 5Palace of Culture and Science
- 6POLIN Museum of the History of Polish Jews
Neighborhoods
1Old Town and New Town
The reconstructed historic core feels ceremonial and compact, with Castle Square, the Royal Castle, Market Square, the Barbican, and Freta Street within a short walk.
2Śródmieście and Royal Route
Central Warsaw is the practical base, where Warszawa Centralna, the Palace of Culture and Science, Nowy Świat, Krakowskie Przedmieście, and university buildings line the main visitor spine.
3Powiśle
Powiśle sits low by the Vistula with river boulevards, Copernicus Science Centre, Elektrownia Powiśle, and summer bar terraces under the escarpment.
Day trips
55km / about 1h by car or tour bus from central Warsaw
Żelazowa Wola
Frédéric Chopin's birthplace is a manor-house museum set in a garden park near the Utrata River. Summer recitals make the trip more than a quick photo stop.
130km / 1h 20min by train from Warszawa Centralna to Łódź Fabryczna
Łódź
Former textile factories, Piotrkowska Street, Manufaktura, and film-school history make Łódź the strongest urban contrast to Warsaw.
25km / 45min by car or suburban bus from Młociny Metro
Kampinos National Park
Forests, dunes, wetlands, elk habitat, and wartime memorials sit just northwest of the city. Bring shoes for sandy trails after rain.
Getting around
Warsaw Public Transport runs two metro lines, red-and-yellow trams, buses, SKM trains, and airport links under one ticket system. The fastest cross-core moves are Metro M1 north-south, Metro M2 east-west to Praga, and trams along Aleje Jerozolimskie.
Planning a Warsaw trip?
Add your dates and we'll check every place for closures, limited hours, and booking needs in September.
Common questions about Warsaw in September
- What to pack for Warsaw in September
Pack for September's weather, not a generic Warsaw checklist.
- Layerable daytime clothes for average highs around 19°C / 66°F.
- A light evening layer because nights average 10°C / 49°F.
- A small umbrella or packable shell for scattered rain across about 8 days.
- How many days do you need in Warsaw
- 4 days covers the main Warsaw highlights at a realistic pace. Add 3 extra days if you want the listed day trips.
- Is Warsaw worth visiting in September
- Yes. September in Warsaw averages 19°C / 66°F highs, 10°C / 49°F nights, and about 8 rainy days.
Ready to plan Warsaw?
You've seen what's on — now get a day-by-day Warsaw plan for September 2026, every place checked for your exact dates.