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Hangzhou weather in September

Weather in Hangzhou: September

Average day temperature: 83.1°F
Average night temperature: 71.7°F
Sea water temperature: 79.6°F
Number of sunny days: 9 days
Day length: 11.9 - 12.8 hours
Number of rainy days: 5 days
Precipitation totals: 3.2 in.

Air temperature in September, °F

Show year:
2026
2025
2024

The highest day temperature during September of 2026 was 92°F. At the same time the lowest night temperature was 67°F. Daily and nightly averages during September were 82.7°F and 72.4°F.

Sea water temperature in Hangzhou in September, °F

Show year:
2026
2025
2024

The average sea water temperature in September of 2026 was 80.5°F. The highest and lowest sea temperatures during the month were 82.9°F and 78.4°F.

Sunny, partly cloudy and cloudy days

Mostly all days in September are cloudy but sunny and partly cloudy days are also possible.

Precipitation total in September, in.

Precipitation total value in Hangzhou in September is 2.7 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 5.5 mph

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 5.7.

Best time for vacation in Hangzhou

Sunniest months:
December 17 days
January 14 days
July 14 days
Warmest months:
August 92.0 °F
July 91.9 °F
June 83.3 °F
Warmest sea temp:
August 84.5 °F
July 83.2 °F
September 79.6 °F
Coldest months:
January 49.5 °F
February 51.7 °F
December 52.6 °F
Rainiest months:
June 10 days
August 9 days
July 9 days
Windiest months:
March 6.1 mph
August 6.0 mph
April 5.9 mph

Hangzhou on a weather map

Hangzhou
+66°F
S 9 mph
Feels like: +66°F
Precip.: 22%
Places in China:
Name
°F
+61°F
+64°F
+73°F
+73°F
+82°F
+63°F
+75°F
+63°F
+82°F
+77°F
+79°F
+63°F
+70°F
+75°F
+82°F
24 Hours Forecast
Hangzhou
Local time: 08:53
October 05, monday
0900
66°F
S
9 mph
1200
70°F
S
12 mph
1500
70°F
S
9 mph
1800
66°F
S
7 mph
2100
63°F
SE
5 mph
October 06, tuesday
0000
59°F
E
4 mph
0300
57°F
E
4 mph
0600
55°F
E
4 mph
Units of measurement: °C / °F