SeasonScore
Warsaw, Poland
Photo: Bosyantek · CC BY-SA 3.0

Poland

Warsaw in September

🍂 Autumn

Pleasant and some showers.

🎒 Pack: light layers

Best months: Jun (9.4), Jul (9.4), Aug (9.4)

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Why September scores 9.2What goes into the score

How it works
🌡️ 19° / 10°C🌧️ 50 mm💧 dew pt 10°🍃 PM2.5 14
  • Weather comfort9.4
    • ✓Comfortable temperatures (19°C highs / 10°C lows)
    • ✓Comfortable humidity (dew point 9.7°C)
    • ✓Mostly dry (~50 mm rain)
  • Air quality8.5
    • ✓Good (within WHO guideline) (PM2.5 ~14 µg/m³)
  • Seasonal hazards10.0
    • ·No notable seasonal hazards
  • Safety baseline8.0
    • ·Normal precautions
Compare monthsPut September side by side with another month
SepJun
Score9.2 Excellent9.4 Excellent
Season🍂 Autumn☀️ Summer
High / low19° / 10°23° / 12°
Rain50 mm64 mm
Humiditydew pt 10°dew pt 13°
PM2.514 µg/m³8 µg/m³

Typical-month data: NASA POWER (MERRA-2 reanalysis) 2015–2024 (modelled, not a forecast). Temperatures: Warsaw weather-station normals. Rainfall: Warsaw weather-station normals (national met service).

Holidays & crowdsSeptember 2027

No long holidays

No long public-holiday weekends this month. School holidays aren't counted, so check those if you want to avoid family crowds.

No national public holidays in Poland this month.

National holidays only; regional holidays and school breaks aren't included. Source: holidays (open-source public-holiday calendar).

Nature calendarBlossoms, leaves & seasons in Warsaw

  • Snowy daysIn SeptemberTypical dates
    Snow likely Sep–May (most in Jan: ~18 days)

    Average number of days with snowfall at Warsaw.

    Source: Warsaw weather-station normals (national weather service, via Wikipedia climate table)

Explore WarsawEvents, sights, food & souvenirs

Check event dates locally

Poland's capital on the Vistula, known for its rebuilt Old Town, museums of 20th-century history and Chopin heritage.

Events in September
Chopin concerts in Łazienki ParkDate variesUsually Sundays from mid-May to late September

Free open-air piano recitals.

Why go: Arrive early for a spot.

Where: Chopin Monument, Łazienki Park

Coming up later

Independence DayEvery year11 November every year

Poland's national day.

Why go: Large marches can occur; check local news.

Where: Across the city

Christmas marketDate variesUsually late November to December

A Christmas market by the Barbican and in the Old Town.

Why go: Festive lights along the Royal Route.

Where: Old Town

Warsaw Uprising anniversaryEvery year1 August every year

At 5pm sirens sound and the city stops to commemorate the uprising.

Why go: Traffic and pedestrians pause for a minute.

Where: Across the city

Plan this tripTickets, data and transfers for Warsaw

Airport transfer Kiwitaxi

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