Lucerne Weather in September
Switzerland · September climate averages and travel tips
Expect mild days in Lucerne in September: the average high is 19°C (67°F) and the average low is 11°C (52°F). September is autumn (fall) in Switzerland. The month is moderately rainy, with about 104 mm (4.1 in) of rain spread over 14 days. You get roughly 12.3 hours of daylight and a mix of sun and cloud.
Is September a good time to visit Lucerne?
Yes — September is one of the best months to visit Lucerne. The weather rates good (7.5/10) on our comfort score.
Visiting Lucerne in September
Mild days by the lake
September feels like a gentle step into autumn in Lucerne. Days reach about 19°C, while evenings cool to around 11°C. Rain falls on roughly half the days, so a clear morning can turn grey by afternoon.
You can stroll the Old Town, take a Lake Lucerne boat trip or walk beside the water without August's stronger heat. On wet days, the Swiss Museum of Transport gives you plenty to do indoors. Clouds can hide the mountain views, so don't count on a clear panorama from Mount Pilatus.
Festival season
Lucerne Festival's summer programme often runs into September, bringing classical music concerts to venues around the city. It's a lovely reason to stay for an evening, though popular performances can make the centre feel busier.
If you hate crowds, September is usually a calmer choice than peak summer. August is warmer and wetter, and summer brings more visitors to the lakefront and Old Town. Prices can ease after the busiest holiday weeks, but festival dates may keep hotel costs high.
September in Lucerne: local tips
With 14 rainy days on average, September is a good month for mixing outdoor plans with indoor stops. Save a lakeside walk or boat ride for a brighter spell, and keep the covered arcades near Kapellplatz in mind when showers arrive.
Travelling with kids? The boat ride from Lucerne to Weggis is an easy outing, with lake views and a relaxed village stop. Check the Lake Lucerne Navigation Company's seasonal timetable before choosing a return sailing, as services can change after summer.
September weather at a glance
| Average high | 19°C (67°F) |
|---|---|
| Average low | 11°C (52°F) |
| Daily mean | 15°C (59°F) |
| Rainfall | 104 mm (4.1 in) |
| Rainy days (1 mm+) | 14 |
| Humidity | 80% |
| Cloud cover | 59% |
| Daylight | 12.3 hours |
| Est. sunshine | 5.5 hours/day |
| Wind | 5.2 km/h |
| vs August | 3°C cooler than August, with 53 mm less rain. |
What to pack for Lucerne in September
- T-shirts plus a light layer for the evening
- a sweater for cool nights
- an umbrella or rain jacket
Lucerne weather in other months
← AugustBest time to visit LucerneOctober →
Better weather in September nearby
- Berlin21°C · 44 mm · Excellent
- Budapest24°C · 57 mm · Excellent
- Marseille27°C · 50 mm · Excellent
- Lisbon23°C · 24 mm · Excellent
- Nice23°C · 54 mm · Excellent
- Porto24°C · 52 mm · Excellent
Nearby in September
- Zurich20°C · 104 mm
- Bern20°C · 88 mm
- Vaduz19°C · 127 mm
- Strasbourg22°C · 58 mm
- Milan25°C · 85 mm
- Geneva22°C · 87 mm
Where else is good in September? See where to go in September.