17.09
thu
thu
Day

54°F
SE 3 mph
Precip.
5%
5%
Night

48°F
NE 1 mph
Precip.
20%
20%
18.09
fri
fri
Day

54°F
S 4 mph
Precip.
10%
10%
Night

46°F
NW 2 mph
Precip.
12%
12%
19.09
sat
sat
Day

59°F
S 2 mph
Precip.
2%
2%
Night

50°F
NW 3 mph
Precip.
16%
16%
20.09
sun
sun
Day

63°F
S 2 mph
Precip.
1%
1%
Night

52°F
NW 2 mph
Precip.
24%
24%
21.09
mon
mon
Day

63°F
SE 5 mph
Precip.
5%
5%
Night

52°F
NW 4 mph
Precip.
13%
13%
22.09
tue
tue
Day

63°F
N 2 mph
Precip.
1%
1%
Night

54°F
NW 4 mph
Precip.
13%
13%
23.09
wed
wed
Day

63°F
NW 3 mph
Precip.
3%
3%
Night

54°F
NW 3 mph
Precip.
14%
14%
24.09
thu
thu
Day

63°F
NW 2 mph
Precip.
3%
3%
Night

52°F
NW 3 mph
Precip.
20%
20%
25.09
fri
fri
Day

61°F
NW 2 mph
Precip.
3%
3%
Night

50°F
NW 3 mph
Precip.
27%
27%
26.09
sat
sat
Day

57°F
W 3 mph
Precip.
6%
6%
Night

46°F
NW 3 mph
Precip.
7%
7%
27.09
sun
sun
Day

52°F
SE 5 mph
Precip.
2%
2%
Night

41°F
NW 3 mph
Precip.
11%
11%
28.09
mon
mon
Day

46°F
W 3 mph
Precip.
3%
3%
Night

39°F
NW 5 mph
Precip.
11%
11%
29.09
tue
tue
Day

50°F
NW 2 mph
Precip.
1%
1%
Night

43°F
NW 5 mph
Precip.
5%
5%
30.09
wed
wed
Day

52°F
N 3 mph
Precip.
1%
1%
Night

45°F
NW 3 mph
Precip.
7%
7%
sea water
temperature
temperature
| Montreux |
monthly
weather
weather
| Montreux |
current
weather
weather
| Montreux |
7 days
forecast
forecast
| Montreux |
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 73.1°F. The highest and lowest sea temperatures during the month were 77.2°F and 70.0°F.
Sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 60.7°F. The highest and lowest sea temperatures during the month were 64.9°F and 57.2°F.
Air temperature in Montreux, °F
Precipitation total in Montreux, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Montreux
Montreux on a weather map
Places in Switzerland:
Name
°F
24 Hours Forecast
Montreux
Local time: 17:41
September 17, thursday
1800

54°F
SE
6 mph
6 mph
2100

50°F
E
1 mph
1 mph
September 18, friday
0000

48°F
NE
1 mph
1 mph
0300

46°F
NW
2 mph
2 mph
0600

46°F
NW
2 mph
2 mph
0900

45°F
NW
1 mph
1 mph
1200

54°F
S
4 mph
4 mph
1500

57°F
SE
6 mph
6 mph

























