Zürich
Switzerland · Europe
Year-round range: 29°F to 75°F
September
Excellent conditions this month
Your monthly fit score
Comfort fit by month.
Climate details▼
Temperature
Average highs and lows.
September has comfortable temperatures — not too hot, not too cold.
Shaded band = typical daily swing (P10 of night lows to P90 of afternoon peaks) — spans wider than avg high/low lines because it captures day-to-day variation.
| = SepPrecipitation
Monthly precipitation, wet-day risk, and snow signal where relevant.
September has moderate rainfall — occasional showers but mostly manageable.
Sunshine
Average hours of bright sun per day.
September has decent sunshine — a mix of sun and cloud.
Clear sky
Clear-sky share is the inverse of average cloud cover (100% minus cloud cover). Band labels follow standard meteorological categories; distribution within each band varies by day.
Air comfort by month
Humidity and heat feel by month.
September is mostly comfortable — low heat and humidity pressure.
Time-of-day patterns
Typical hourly rhythm for September.
Temperature by hour
Temperature by hour and month
Typical temperature through the day across the year (1996-2025 normals, local time). Shaded cells are nighttime.
In September, afternoons reach about 68° and nights settle near 54°.
▶Full month-by-month data
| Month | High °F | Low °F | Rain days | Rain (in) | Sun h/day | Humidity |
|---|---|---|---|---|---|---|
| Jan | 40°F | 29°F | 16 | 2.7in | 2.8h | 80.57142857142857% |
| Feb | 44°F | 30°F | 12 | 2.3in | 3.7h | 76.42857142857142% |
| Mar | 51°F | 34°F | 12 | 2.8in | 4.7h | 71.57142857142857% |
| Apr | 57°F | 40°F | 12 | 3.2in | 5.5h | 68.85714285714285% |
| May | 64°F | 48°F | 15 | 5.0in | 5.5h | 71.85714285714285% |
| Jun | 72°F | 55°F | 16 | 4.9in | 6.7h | 70.42857142857143% |
| Jul | 75°F | 58°F | 13 | 4.9in | 7.1h | 69.71428571428571% |
| Aug | 75°F | 59°F | 12 | 4.7in | 6.4h | 71.71428571428571% |
| Sep | 67°F | 52°F | 10 | 3.5in | 5.3h | 77.28571428571428% |
| Oct | 59°F | 45°F | 12 | 3.3in | 3.6h | 81.42857142857143% |
| Nov | 48°F | 36°F | 12 | 3.2in | 2.5h | 85.28571428571428% |
| Dec | 41°F | 31°F | 13 | 3.3in | 2.5h | 84.57142857142857% |