Warsaw · Month comparison

September vs June

June ranks #1 overall vs September at #3. Peak cultural month — Warsaw Summer Jazz Festival, 22°C and long evenings on the Vistula beaches.

Warsaw Lazienki Park with the neoclassical palace and fountain in early autumn

September

#3 of 12 months

Best match

Golden autumn — 18°C, falling leaves in Lazienki Park, lower crowds and Warsaw at its most atmospheric.

  • Lazienki Park turns golden in late September — the finest time to see the lakeside palace surrounded by autumn colour
  • Tourist numbers drop noticeably from August highs; the Old Town and museums are comfortable again
Warsaw Vistula river with the city skyline on a summer evening

June

#1 of 12 months

Best match

Peak cultural month — Warsaw Summer Jazz Festival, 22°C and long evenings on the Vistula beaches.

  • Warsaw Summer Jazz Festival (June–July) brings world-class performances to intimate Old Town venues and outdoor stages
  • Wisła riverbank urban beaches open — a uniquely Warsaw experience of sunbathing on the Vistula with the city skyline behind
FactorSeptemberJune
Weather score
7
8
Value score
7
7
Crowd score
6
6
Events score
6
8
Atmosphere
8
8
Avg high temp18°C22°C
Monthly rain51mm68mm
Daily sunshine7hrs9hrs

September trade-offs

  • Evenings cool to 10°C after the warmth of summer; a jacket is needed by dusk
  • 51mm of rainfall means some grey autumnal days, particularly in the second half of the month

June trade-offs

  • 68mm of rainfall with possible afternoon thunderstorms; outdoor event schedules can be disrupted
  • Hotel prices at their summer high; booking 6–8 weeks ahead recommended for the best options
Scores compare months within Warsaw. Climate data: Open Meteo ERA5 30-year normals (1991–2020). Methodology →