Measurements:
°C
°F
Hong Kong
88°F
N 1 mph
Feels like: 98°F
Precip: 60%
World Resorts China Hong Kong Weather

7 Day Weather Forecast

09.14
mon
DAY
88°F
NW 2 mph
precip
62%
NIGHT
80°F
W 4 mph
precip
56%
09.15
tue
DAY
86°F
NW 6 mph
precip
36%
NIGHT
80°F
W 5 mph
precip
26%
09.16
wed
DAY
86°F
NW 11 mph
precip
4%
NIGHT
80°F
W 7 mph
precip
28%
09.17
thu
DAY
86°F
W 9 mph
precip
6%
NIGHT
78°F
W 6 mph
precip
15%
09.18
fri
DAY
88°F
W 10 mph
precip
8%
NIGHT
80°F
W 4 mph
precip
12%
09.19
sat
DAY
88°F
NW 6 mph
precip
12%
NIGHT
80°F
NW 4 mph
precip
36%
09.20
sun
DAY
88°F
E 2 mph
precip
12%
NIGHT
80°F
N 2 mph
precip
21%

Hong Kong Sea Water Temperature in September, °F

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Hong Kong was 29.2°F. The maximum and minimum values were 27.8°F and 30.0°F respectively.

Hong Kong on the Weather Map

Best Time to Visit Hong Kong
The most sunny months:
January 14 days
December 14 days
October 13 days
The most warm months:
August 93.3 °F
July 93.2 °F
September 92.4 °F
Warmest sea temperature:
July 88.0 °F
August 87.8 °F
September 87.3 °F
The most cold months:
January 68.7 °F
December 70.7 °F
February 71.2 °F
The most rainy months:
June 10 days
August 10 days
July 9 days
The most windy months:
July 9 mph
June 9 mph
October 9 mph