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Climate · Hangzhou

Hangzhou in September

Hot and damp, as the days shorten.

Typical weather, averaged over 30 years

September in Hangzhou is hot: highs near 85°F, lows near 70°F. Rain falls on about three days a week, less often as the month goes on, and the days shorten by 39 minutes from the first week to the last.September in Hangzhou is hot: highs near 29°C, lows near 21°C. Rain falls on about three days a week, less often as the month goes on, and the days shorten by 39 minutes from the first week to the last.

High
85°F29°Caverage
Low
70°F21°Caverage
Wet days
3a week · 39% of days
Daylight
12h 17mon average

Is September a good time to visit Hangzhou?

A good month, just outside Hangzhou's best months, which run from October.

How we judge it: every month is scored on how close its typical high comes to the range from 70°F to 80°F, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.How we judge it: every month is scored on how close its typical high comes to the range from 21°C to 27°C, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.

How September sits in the year

week by week

Temperature

Highs near 85°F in September, against 51°F to 94°F through the year.Highs near 29°C in September, against 11°C to 34°C through the year.

Chance of a wet day

39% of days in September, against 24% to 57% through the year.

Cloud cover

48% cover in September, against 34% to 71% through the year.

Daylight

12h 17m in September, against 10h 13m to 14h 04m through the year.

Week by week, lightly smoothed, with September shaded. The olive line marks the best months. Hover or tap a week for its figures.

Either side

  1. August94°34°low 78°low 26°3 wet days a weekRain on about three days a week.
  2. September85°29°low 70°low 21°3 wet days a weekRain on about three days a week.
  3. October77°25°low 61°low 16°2 wet days a weekRain on about two days a week.

Where Hangzhou sits, in September

Asia/Shanghai
this place
typical high in September 40°F4°C95°F35°C
Sunrise, mid-September
5:43 AMsets 6:06 PM
Above the sea
90 mlow-lying
Latitude
30.2°Nnorthern hemisphere
Nearest of ours
Shanghai163 km north-east

The land around Hangzhou, shaded by its typical high in September, the planning map's own layer. Hover the map for the figure at that spot; tap it on a phone. Clock times are local, for the 15th.

Elsewhere in China in September

high · low · wet days
See September on the planning mapThe whole year in Hangzhou

Typical weather, averaged over 30 years (1995–2024), from the 11 km grid square nearest Hangzhou. Temperatures are adjusted against 66 weather stations: daytime highs read about 3.1°F cold in the source data and are raised to match, and both highs and lows are adjusted for the town's height (90 m) against the climate model's (0 m).Temperatures are adjusted against 66 weather stations: daytime highs read about 1.7°C cold in the source data and are raised to match, and both highs and lows are adjusted for the town's height (90 m) against the climate model's (0 m). Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not. Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.

Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not.

Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.