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 (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.
Lake Sempach
Lake Sempach (Sempachersee), Canton of Lucerne, Switzerland
47.1441, 8.1553
Open outdoors year-round
Free (public 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.

Best Time to Visit
JulyAugustSeptember
Temperature & Rainfall
Temperature Range
32°
Warmest Month
-24°
Coldest Month
Monthly Conditions

January

January is the coolest month with highs of 4°C and lows of -2°C. Regular rainfall (87 mm) and mostly overcast skies.

41 Poor

Comfort

Feels Like Cold
C
Temperature
-2°
83%
Humidity
Very Humid

Weather

87 mm
Rainfall
2.0 m/s
Wind
Calm
0.1
UV Index
Low
8.8h daylight

February

February is cold with highs of 6°C and lows of -2°C. Regular rainfall (94 mm) and mostly overcast skies.

41 Poor

Comfort

Feels Like Cold
C
Temperature
-2°
82%
Humidity
Very Humid

Weather

94 mm
Rainfall
2.1 m/s
Wind
Calm
0.3
UV Index
Low
10.1h daylight

March

March is cold with highs of 10°C and lows of 1°C. Regular rainfall (87 mm) and partly cloudy skies.

55 Acceptable

Comfort

Feels Like Cold
C
Temperature
10°
81%
Humidity
Very Humid

Weather

87 mm
Rainfall
2.3 m/s
Wind
Calm
0.5
UV Index
Moderate
11.8h daylight

April

April is cold with highs of 13°C and lows of 4°C. Regular rainfall (96 mm) and partly cloudy skies.

55 Acceptable

Comfort

Feels Like Cold
C
Temperature
13°
78%
Humidity
Very Humid

Weather

96 mm
Rainfall
2.2 m/s
Wind
Calm
0.9
UV Index
Moderate
13.5h daylight

May

May is cool with highs of 18°C and lows of 8°C. Significant rainfall (113 mm) and mostly overcast skies.

59 Acceptable

Comfort

13°
Feels Like Cool
13°C
Temperature
18°
78%
Humidity
Very Humid

Weather

113 mm
Rainfall
2.1 m/s
Wind
Calm
1.3
UV Index
High
14.9h daylight

June

June is cool with highs of 21°C and lows of 11°C. The wettest month with heavy rain (139 mm) and partly cloudy skies.

63 Good

Comfort

16°
Feels Like Cool
16°C
Temperature
11° 21°
78%
Humidity
Very Humid

Weather

139 mm
Rainfall
2.0 m/s
Wind
Calm
1.6
UV Index
Very High
15.7h daylight

July

July is the warmest month with highs of 24°C and lows of 13°C. Significant rainfall (131 mm) and partly cloudy skies.

75 Very Good

Comfort

18°
Feels Like Mild
18°C
Temperature
13° 24°
77%
Humidity
Very Humid

Weather

131 mm
Rainfall
1.9 m/s
Wind
Calm
1.6
UV Index
Very High
15.3h daylight

August

August is mild with highs of 23°C and lows of 13°C. Significant rainfall (130 mm) and partly cloudy skies.

71 Very Good

Comfort

18°
Feels Like Mild
18°C
Temperature
13° 23°
78%
Humidity
Very Humid

Weather

130 mm
Rainfall
1.7 m/s
Wind
Calm
1.3
UV Index
High
14.1h daylight

September

September is cool with highs of 19°C and lows of 10°C. Regular rainfall (95 mm) and partly cloudy skies.

65 Good

Comfort

14°
Feels Like Cool
14°C
Temperature
10° 19°
80%
Humidity
Very Humid

Weather

95 mm
Rainfall
1.7 m/s
Wind
Calm
0.9
UV Index
Moderate
12.4h daylight

October

October is cold with highs of 14°C and lows of 6°C. Regular rainfall (98 mm) and mostly overcast skies.

53 Acceptable

Comfort

10°
Feels Like Cold
10°C
Temperature
14°
81%
Humidity
Very Humid

Weather

98 mm
Rainfall
1.7 m/s
Wind
Calm
0.4
UV Index
Low
10.7h daylight

November

November is cold with highs of 8°C and lows of 1°C. Significant rainfall (105 mm) and mostly overcast skies.

41 Poor

Comfort

Feels Like Cold
C
Temperature
84%
Humidity
Very Humid

Weather

105 mm
Rainfall
1.9 m/s
Wind
Calm
0.2
UV Index
Low
9.2h daylight

December

December is cold with highs of 5°C and lows of -1°C. Regular rainfall (100 mm) and mostly overcast skies.

39 Poor

Comfort

Feels Like Cold
C
Temperature
-1°
82%
Humidity
Very Humid

Weather

100 mm
Rainfall
2.0 m/s
Wind
Calm
0.1
UV Index
Low
8.3h daylight

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