Verdict: Excellent month
Zurich Weather in September
September hits the sweet spot in Zurich — highs around 20°C (68°F), ideal for a full day on foot. Expect showers on roughly 11 days of the month — rarely trip-ruining, worth planning around. Overall, September is one of the best months of the year to be in Zurich.
Average high
20°C / 68°F
Average low
12°C / 54°F
Rain days
~11
Precipitation
95 mm
What to pack for Zurich in September
- Layers — t-shirts under a light jacket or sweater
- A packable rain shell or compact umbrella earns its space
- Comfortable walking shoes — every guide on this site assumes you'll use them
September against the rest of the year
Warmest in Zurich: Jul (25°C / 77°F) · Coolest: Jan (5°C / 41°F) · Wettest: May (~18 rain days)
5°
-1°
Jan
9°
0°
Feb
11°
1°
Mar
14°
4°
Apr
18°
9°
May
23°
14°
Jun
25°
15°
Jul
25°
15°
Aug
20°
12°
Sep
16°
8°
Oct
9°
3°
Nov
5°
0°
Dec
Daily highs / lows in °C · bars show rain days per month · ERA5 climate normals (2020–2024)