Measurements:
°C
°F
Lausanne
80°F
E 4 mph
Feels like: 84°F
Precip: 28%
World Resorts Switzerland Lausanne Weather

7 Day Weather Forecast

09.08
tue
DAY
78°F
NE 6 mph
precip
1%
NIGHT
72°F
E 10 mph
precip
38%
09.09
wed
DAY
54°F
S 7 mph
precip
70%
NIGHT
52°F
S 13 mph
precip
26%
09.10
thu
DAY
60°F
SW 14 mph
precip
16%
NIGHT
60°F
S 8 mph
precip
9%
09.11
fri
DAY
64°F
SW 6 mph
precip
13%
NIGHT
68°F
S 8 mph
precip
13%
09.12
sat
DAY
66°F
SW 19 mph
precip
9%
NIGHT
68°F
S 5 mph
precip
3%
09.13
sun
DAY
64°F
NW 2 mph
precip
4%
NIGHT
72°F
S 5 mph
precip
3%
09.14
mon
DAY
68°F
SW 9 mph
precip
6%
NIGHT
68°F
S 9 mph
precip
6%

Lausanne Sea Water Temperature in September, °F

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Lausanne was 20.1°F. The maximum and minimum values were 18.4°F and 21.9°F respectively.

Lausanne on the Weather Map

Best Time to Visit Lausanne
The most sunny months:
August 19 days
July 18 days
September 17 days
The most warm months:
August 77.0 °F
July 76.8 °F
June 72.9 °F
Warmest sea temperature:
August 72.4 °F
July 71.1 °F
September 67.7 °F
The most cold months:
January 38.4 °F
December 41.5 °F
February 41.9 °F
The most rainy months:
May 6 days
June 6 days
December 6 days
The most windy months:
January 7 mph
February 6 mph
December 6 mph