Sunbound

Holiday search · from Helsinki

Where in Europe is warm in September 2026 within 1,500 km of Helsinki?

Top picks: Vienna (avg 19.8°C, 9/30 days in range), Berlin (avg 19.4°C, 6/30 days in range). September 2026 is past the ~14-day forecast horizon, so this ranking uses 30-year climate normals — typical conditions, not a specific-day prediction. Generated 2026-05-31.

2 places match · within 1,500 km

Showing destinations where the daily high stays 22°C and above across most of your 29 nights.

Sorted by match score

Real driving reach from Helsinki. The dashed ring is your 1,500 km limit; inner rings mark a third and two-thirds of it.

  • Match (score 80+)
  • Borderline (60–79)
  • Below your minimum
  1. Climate likelihood№ 02

    Berlin

    Berlin · DE

    25/ 100below your minimum
    Avg high
    19.4°C
    Drive (approx)
    1,105 km
    In-range days
    6/30

How we ranked these

Each destination is scored 0–100. The main signal is the share of trip days whose daily high falls inside your 22°C and above preference. Forecast confidence (real forecasts beat climate normals) and proximity to Helsinki contribute the remaining weight.

Weather data from Open-Meteo, generated 2026-05-31. Drive distances are great-circle approximations — set ORS_API_KEY in your environment for real road distances.