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Climate · Shanghai

Shanghai in September

Warm and damp, as the days shorten.

Typical weather, averaged over 30 years

September in Shanghai is warm: highs near 84°F, lows near 72°F. Rain falls on about three days a week, less often as the month goes on, and the days shorten by 41 minutes from the first week to the last.September in Shanghai is warm: highs near 29°C, lows near 22°C. Rain falls on about three days a week, less often as the month goes on, and the days shorten by 41 minutes from the first week to the last.

High
84°F29°Caverage
Low
72°F22°Caverage
Wet days
3a week · 43% of days
Daylight
12h 18mon average

Is September a good time to visit Shanghai?

A good month, just outside Shanghai's best months, which run in two parts: May, or 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 84°F in September, against 50°F to 91°F through the year.Highs near 29°C in September, against 10°C to 33°C through the year.

Chance of a wet day

43% of days in September, against 20% to 52% through the year.

Cloud cover

46% cover in September, against 35% to 68% through the year.

Daylight

12h 18m in September, against 10h 09m to 14h 09m 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. August91°33°low 79°low 26°4 wet days a weekRain on about four days a week.
  2. September84°29°low 72°low 22°3 wet days a weekRain on about three days a week.
  3. October77°25°low 63°low 17°2 wet days a weekRain on about two days a week.

Where Shanghai sits, in September

Asia/Shanghai
this place
typical high in September 40°F4°C95°F35°C
Sunrise, mid-September
5:37 AMsets 6:02 PM
Above the sea
20 mlow-lying
Latitude
31.2°Nnorthern hemisphere
Nearest of ours
Hangzhou163 km south-west

The land around Shanghai, 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 Shanghai

Typical weather, averaged over 30 years (1995–2024), from the 11 km grid square nearest Shanghai. Temperatures are adjusted against 66 weather stations: daytime highs read about 3.1°F cold in the source data and are raised to match.Temperatures are adjusted against 66 weather stations: daytime highs read about 1.7°C cold in the source data and are raised to match. 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.