Shanghai weather in September
Shanghai in September averages 25°C (77°F), 97 mm of rain and 5.4 hours of sun a day.
Of the twelve months in Shanghai, September is the third warmest, the fourth wettest and the fourth sunniest.
- Average temp
- 25°C (77°F)
22–29°C · 72–83°F
- Rainfall
- 97 mm
Showers likely
- Sunshine
- 5.4 h
hours per day
What is Shanghai like in September?
Daytime
Days are warm, typically in the mid-20s°C or above.
Rain
Some rain is likely; pack for showers.
Evening
Evenings stay warm.
What should I pack for Shanghai in September?
Loose cotton or linen
Synthetics stop working once you are sweating through them all day.
A refillable water bottle
Daily highs this warm need roughly double the water a temperate day does.
A light rain jacket
About 97 mm falls this month — showers rather than washouts.
September compared with August and October
September in Shanghai is 4.2°C cooler than August and 119 mm drier than it, which averages 29°C (85°F).
September in Shanghai is 5.2°C warmer than October and 33 mm wetter than it, which averages 20°C (68°F).
Daylight in Shanghai in September
On 15 September the sun is up for 12 hours 21 minutes in Shanghai, rising about 05:38 and setting about 17:59 local time.
September ends 54 minutes shorter than it begins, so the last week of the month is a different length of day from the first.
That is 1 hour 49 minutes short of June, the longest-lit month here.
Where to stay in Shanghai
Dates are a starting point for September.
Travel guides for Shanghai
What to read before you book.
Shanghai weather by month
TemperatureRainfall
How September compares with the rest of the year
September is highlighted. Every other month links to its own page.
| Month | Average | Rainfall |
|---|---|---|
| January | 6°C / 42°F | 69 mm |
| February | 7°C / 45°F | 65 mm |
| March | 11°C / 52°F | 88 mm |
| April | 16°C / 62°F | 72 mm |
| May | 22°C / 71°F | 84 mm |
| June | 25°C / 77°F | 192 mm |
| July | 30°C / 85°F | 151 mm |
| August | 29°C / 85°F | 216 mm |
| September | 25°C / 77°F | 97 mm |
| October | 20°C / 68°F | 64 mm |
| November | 14°C / 58°F | 53 mm |
| December | 8°C / 47°F | 43 mm |
Check another month
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FAQs about Shanghai in September
September climate averages for Shanghai, 1991–2020.
Shanghai averages 25°C (77°F) in September, ranging from about 22°C (72°F) at night to 29°C (83°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.
Some. About 97 mm falls across September, enough to need a light jacket but not enough to reshape a trip.
Yes. September averages 25°C (77°F) against 20°C (68°F) in October — 5.2°C warmer.
September is 4.2°C cooler than August, and 119 mm drier.
It is outside the easiest window. The most comfortable stretch here is April to June; September sits outside it, which usually means more heat, more rain, or both — worth it if you would rather have the place to yourself.
About 5.4 hours of sun a day on the 1991–2020 average.
This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what September is usually like, which is what you want when booking months ahead. For today or the coming week, check a live forecast.
About 12 hours 21 minutes of daylight in mid-September, against 14 hours 10 minutes in June and 10 hours 8 minutes in December.
On 15 September, sunrise is about 05:38 and sunset about 17:59 local time. Both shift across the month — the month ends 54 minutes shorter than it starts.
