15.09
tue
tue
Day

81°F
SW 9 mph
Precip.
5%
5%
Night

70°F
SE 2 mph
Precip.
18%
18%
16.09
wed
wed
Day

79°F
SW 8 mph
Precip.
11%
11%
Night

72°F
W 1 mph
Precip.
16%
16%
17.09
thu
thu
Day

79°F
SW 7 mph
Precip.
12%
12%
Night

73°F
SW 3 mph
Precip.
12%
12%
18.09
fri
fri
Day

75°F
SW 7 mph
Precip.
24%
24%
Night

70°F
S 2 mph
Precip.
12%
12%
19.09
sat
sat
Day

82°F
SW 4 mph
Precip.
23%
23%
Night

72°F
SW 6 mph
Precip.
38%
38%
20.09
sun
sun
Day

82°F
SW 6 mph
Precip.
8%
8%
Night

72°F
NW 3 mph
Precip.
7%
7%
21.09
mon
mon
Day

82°F
S 7 mph
Precip.
2%
2%
Night

72°F
S 3 mph
Precip.
7%
7%
22.09
tue
tue
Day

81°F
SW 7 mph
Precip.
3%
3%
Night

73°F
SW 7 mph
Precip.
7%
7%
23.09
wed
wed
Day

82°F
SW 7 mph
Precip.
2%
2%
Night

73°F
W 4 mph
Precip.
8%
8%
24.09
thu
thu
Day

84°F
W 6 mph
Precip.
5%
5%
Night

75°F
NW 3 mph
Precip.
11%
11%
25.09
fri
fri
Day

88°F
W 6 mph
Precip.
2%
2%
Night

77°F
N 3 mph
Precip.
13%
13%
26.09
sat
sat
Day

91°F
N 6 mph
Precip.
4%
4%
Night

75°F
NE 5 mph
Precip.
54%
54%
27.09
sun
sun
Day

72°F
S 8 mph
Precip.
73%
73%
Night

68°F
SW 7 mph
Precip.
46%
46%
sea water
temperature
temperature
| Hangzhou |
monthly
weather
weather
| Hangzhou |
current
weather
weather
| Hangzhou |
7 days
forecast
forecast
| Hangzhou |
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 84.0°F. The highest and lowest sea temperatures during the month were 87.1°F and 80.4°F.
Air temperature in Hangzhou, °F
Precipitation total in Hangzhou, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Hangzhou
Hangzhou on a weather map
Places in China:
Name
°F
24 Hours Forecast
Hangzhou
Local time: 02:17
September 15, tuesday
0300

70°F
S
4 mph
4 mph
0600

68°F
S
3 mph
3 mph
0900

75°F
SW
7 mph
7 mph
1200

81°F
SW
9 mph
9 mph
1500

79°F
W
7 mph
7 mph
1800

75°F
W
6 mph
6 mph
2100

73°F
NW
4 mph
4 mph
September 16, wednesday
0000

70°F
SE
2 mph
2 mph


























