Measurements:
°C
°F
CURRENT WEATHER
01:51
Geneva
68°F
N 4 mph
Feels like: 68°F
Precip: 16%
World Resorts Switzerland Geneva Weather

7 Day Weather Forecast

09.29
tue
DAY
70°F
E 3 mph
precip
11%
NIGHT
68°F
N 4 mph
precip
14%
09.30
wed
DAY
72°F
NE 6 mph
precip
3%
NIGHT
66°F
N 7 mph
precip
18%
10.01
thu
DAY
56°F
NE 4 mph
precip
70%
NIGHT
58°F
S 1 mph
precip
31%
10.02
fri
DAY
62°F
S 4 mph
precip
21%
NIGHT
64°F
SW 1 mph
precip
40%
10.03
sat
DAY
60°F
W 5 mph
precip
51%
NIGHT
58°F
NE 5 mph
precip
68%
10.04
sun
DAY
56°F
NE 4 mph
precip
45%
NIGHT
52°F
NE 5 mph
precip
74%
10.05
mon
DAY
58°F
SW 6 mph
precip
27%
NIGHT
58°F
SW 6 mph
precip
25%

Geneva Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Geneva was 21.4°F. The maximum and minimum values were 19.3°F and 24.0°F respectively.

Geneva on the Weather Map

Best Time to Visit Geneva
The most sunny months:
August 19 days
July 18 days
September 15 days
The most warm months:
August 79.9 °F
July 79.5 °F
June 75.4 °F
Warmest sea temperature:
August 70.2 °F
July 69.5 °F
September 66.4 °F
The most cold months:
January 37.2 °F
December 39.9 °F
February 41.9 °F
The most rainy months:
May 7 days
June 7 days
July 6 days
The most windy months:
January 5 mph
February 4 mph
April 4 mph
more details