Lake Sempach Lake

Swiss lake in Lucerne canton, recreational area

West of Lucerne, Lake Sempach (Sempachersee) offers shallow bathing bays, cycling routes and reed-lined bird habitats. Visitors use its beaches, walkways and nearby historic sites such as the Battle of Sempach memorial.

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Lake Sempach at a Glance#

Address: Lake Sempach (Sempachersee), Canton of Lucerne, Switzerland

Hours: Open outdoors year-round

Admission: Free (public lake)

About Lake Sempach#

Lake Sempach (Sempachersee) is a lake in the Canton of Lucerne, Switzerland, used locally for recreation and small-scale boating. It is a modest-sized lake in central Switzerland with shoreline villages and bathing areas.

The lake and its surroundings have been the site of local settlement for centuries and are associated with regional events in Swiss history; the nearby town of Sempach is historically notable. Land use around the lake has remained largely rural with recreational development in the 19th and 20th centuries.

Lake Sempach sits within the Canton of Lucerne in central Switzerland, near the town of Sempach and within easy driving distance of the city of Lucerne and other Central Switzerland transport hubs.

  • Recreation spots: Shoreline areas are used for swimming, rowing and seasonal recreation, with access points near the town of Sempach and other villages around the lake.

How to Get to Lake Sempach#

Lake Sempach (Sempachersee) is in the Canton of Lucerne near the town of Sempach. From Lucerne city the lake is about 15-25 km to the west and is reached by the A2 motorway and then cantonal roads toward Sempach/Sursee. Rail and regional bus services connect Lucerne with Sempach and nearby stations; from the nearest station it is typically a short walk (up to a couple of kilometres) to reach the lakeshore.

Tips for Visiting Lake Sempach#

  • Use the lakeside town of Sempach as your main access point and follow the established lakeside circuit path that links walking and cycling routes around the lake for the best variety of viewpoints.
  • Aim for weekday mornings to enjoy birdwatching in the reedbeds with far fewer recreational crowds; the quieter northern shore is particularly good for waterfowl sightings.

Best Time to Visit Lake Sempach#

Best visited late spring through early autumn (May-September) for comfortable weather and active water recreation.

Summer
June-August · ~18-25°C
Warm, pleasant and ideal for swimming, boating and lakeside recreation.
Winter
December-February · ~-5-5°C
Chilly with possible snow in surrounding hills; lake rarely fully frozen at this elevation.
Shoulder seasons
May, September-October · ~5-15°C
Mild and generally quiet-good for cycling and walking without summer crowds.

Weather & Climate near Lake Sempach#

Climate

Lake Sempach's climate is classified as Oceanic - Oceanic climate with mild summers (peaking in July) and cold winters (coldest in January). Temperatures range from -2°C to 24°C. Abundant rainfall (1275 mm/year), wettest in June, distributed fairly evenly throughout the year.

Air Quality: AQI 38 Good
Best Time to Visit
JulyAugustSeptember
Temperature & Rainfall
Temperature Range
32°
Warmest Month
-24°
Coldest Month
Monthly Conditions
Month Comfort Temp Feels Rain Sky Humidity Wind UV Daylight
January Poor -2° - 4° -1° 87 mm overcast 83% 2.0 m/s 0.1 low 8.8h
February Poor -2° - 6° 0° 94 mm overcast 82% 2.1 m/s 0.3 low 10.1h
March Acceptable 1° - 10° 3° 87 mm partly cloudy 81% 2.3 m/s 0.5 moderate 11.8h
April Acceptable 4° - 13° 7° 96 mm partly cloudy 78% 2.2 m/s 0.9 moderate 13.5h
May Acceptable 8° - 18° 13° 113 mm overcast 78% 2.1 m/s 1.3 high 14.9h
June Good 11° - 21° 16° 139 mm partly cloudy 78% 2.0 m/s 1.6 very high 15.7h
July Very Good 13° - 24° 18° 131 mm partly cloudy 77% 1.9 m/s 1.6 very high 15.3h
August Very Good 13° - 23° 18° 130 mm partly cloudy 78% 1.7 m/s 1.3 high 14.1h
September Good 10° - 19° 14° 95 mm partly cloudy 80% 1.7 m/s 0.9 moderate 12.4h
October Acceptable 6° - 14° 9° 98 mm overcast 81% 1.7 m/s 0.4 low 10.7h
November Poor 1° - 8° 3° 105 mm overcast 84% 1.9 m/s 0.2 low 9.2h
December Poor -1° - 5° 0° 100 mm overcast 82% 2.0 m/s 0.1 low 8.3h

Nearby Attractions to Lake Sempach#