Zurich · Month comparison

January vs September

September ranks #1 overall vs January at #12. The undersold sweet spot — warm enough for the lake, dry enough for the alps, prices drop from August.

Zurich Altstadt with January fog over the Limmat

January

#12 of 12 months

Strong option

Cold, often foggy, and the cheapest hotel rates Zurich ever delivers — relative to itself.

  • ↑Hotel rates 30-40% below summer — 4-star Niederdorf rooms from CHF 180 (still expensive in absolute terms)
  • ↑Day-trip skiing at Flumserberg or Hoch-Ybrig — train direct, lift pass CHF 75
Lake Zurich and Alps in clear September light

September

#1 of 12 months

Best match

The undersold sweet spot — warm enough for the lake, dry enough for the alps, prices drop from August.

  • ↑20°C and lake still at 20°C through early September — last realistic swim window
  • ↑Knabenschiessen folk festival (2nd weekend) on Albisgüetli — fairground and shooting tradition
FactorJanuarySeptember
Weather score
4
9
Value score
5
5
Crowd score
9
5
Events score
4
7
Atmosphere
6
10
Avg high temp3°C20°C
Monthly rain65mm80mm
Daily sunshine2hrs7hrs

January trade-offs

  • ↓High-fog (Hochnebel) traps grey gloom over the city for days at a time
  • ↓3°C high with damp cold cutting harder than a clear -5°C in Helsinki

September trade-offs

  • ↓Daylight contracting — by month end down to 12 hours
  • ↓Lake temperature drops fast in the last week — pack a wetsuit if swimming end-Sep
See all 12 months for Zurich →January in detail →September in detail →
Scores compare months within Zurich. Climate data: Open Meteo ERA5 30-year normals (1991–2020). Methodology →