Measurements:
°C
°F
CURRENT WEATHER
22:27
Montreux
66°F
N 6 mph
Feels like: 66°F
Precip: 21%
World Resorts Switzerland Montreux Weather

7 Day Weather Forecast

09.08
tue
DAY
78°F
NE 7 mph
precip
0%
NIGHT
58°F
NE 4 mph
precip
70%
09.09
wed
DAY
50°F
SE 6 mph
precip
78%
NIGHT
46°F
S 2 mph
precip
62%
09.10
thu
DAY
58°F
SE 3 mph
precip
16%
NIGHT
52°F
N 1 mph
precip
20%
09.11
fri
DAY
58°F
SE 6 mph
precip
27%
NIGHT
50°F
NW 2 mph
precip
31%
09.12
sat
DAY
54°F
W 1 mph
precip
29%
NIGHT
48°F
NW 3 mph
precip
10%
09.13
sun
DAY
62°F
NW 2 mph
precip
2%
NIGHT
54°F
N 1 mph
precip
9%
09.14
mon
DAY
62°F
NW 2 mph
precip
3%
NIGHT
54°F
NW 4 mph
precip
12%

Montreux Sea Water Temperature in September, °F

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Montreux was 20.3°F. The maximum and minimum values were 18.5°F and 22.1°F respectively.

Montreux on the Weather Map

Best Time to Visit Montreux
The most sunny months:
August 18 days
October 16 days
July 16 days
The most warm months:
August 71.8 °F
July 71.6 °F
June 68.2 °F
Warmest sea temperature:
August 72.7 °F
July 71.6 °F
September 67.8 °F
The most cold months:
January 32.0 °F
December 34.6 °F
February 35.4 °F
The most rainy months:
May 10 days
June 9 days
July 8 days
The most windy months:
January 4 mph
March 4 mph
December 4 mph
more details