Suzhou Weather in September

China · September climate averages and travel tips

Avg high29°C (83°F)
Avg low21°C (69°F)
Rainfall136 mm (5.4 in)
RatingFair 5.6/10

In September, Suzhou has average highs of 29°C (83°F) and lows of 21°C (69°F). September is autumn (fall) in China. The month is wet, with about 136 mm (5.4 in) of rain spread over 12 days. Humidity averages 81%, so it feels sticky and hotter than the thermometer suggests. You get roughly 12.2 hours of daylight and frequently cloudy skies.

Is September a good time to visit Suzhou?

September is a fair time to visit Suzhou (5.6/10) mainly because of the rain. For better weather, go in October.

Visiting Suzhou in September

September weather

September feels warm and damp in Suzhou, though less hot than August. Days reach about 29°C, and evenings stay mild. Humidity remains high, so walking around the old town can feel sticky, especially after rain. Showers come on several days, but they don't usually rule out a whole visit.

The gardens are still lovely in the softer autumn light. Try the Humble Administrator's Garden or take a slow walk beside the canals in Pingjiang Road. Keep indoor stops, such as the Suzhou Museum, in mind for rainy spells. Long hikes are less of a draw here, and you may want to avoid packing too many outdoor stops into one wet afternoon.

Crowds and events

September is a shoulder month between the summer holidays and October's peak travel period. Once Chinese schools are back, Suzhou is generally calmer than in August or during the October National Day break. Prices can be more moderate than in October, though weekends and popular gardens still draw visitors.

The Mid-Autumn Festival sometimes falls in September; its date changes each year. If it does, you may see lanterns and find Suzhou-style mooncakes, including flaky pastries filled with fresh pork, in local bakeries. Check the festival date before choosing your travel week.

If you hate crowds, visit the Humble Administrator's Garden on a weekday rather than a weekend.

A useful local tip

Rain can make the stone paths around Suzhou's canals slippery. On a wet day, trade a long walk for a boat ride on the Grand Canal, then explore Pingjiang Road between showers. You'll get a feel for the city's waterways without spending hours outdoors.

For a quieter garden visit, consider the Master of the Nets Garden. It's smaller than the Humble Administrator's Garden, so it's easier to enjoy at an unhurried pace. October is usually the better month for drier, cooler sightseeing, but September still works well if you're flexible when showers pass through.

September weather at a glance

Average high29°C (83°F)
Average low21°C (69°F)
Daily mean24°C (75°F)
Rainfall136 mm (5.4 in)
Rainy days (1 mm+)12
Humidity81%
Cloud cover64%
Daylight12.2 hours
Est. sunshine4.8 hours/day
Wind9.7 km/h
vs August4°C cooler than August, with 26 mm less rain.

What to pack for Suzhou in September

Suzhou weather in other months

Jan8°C / 0°C56 mmFairFeb11°C / 1°C76 mmFairMar16°C / 5°C81 mmGoodApr22°C / 10°C95 mmExcellentMay27°C / 16°C93 mmExcellentJun30°C / 21°C183 mmPoorJul32°C / 25°C213 mmPoorAug32°C / 25°C162 mmPoorSep29°C / 21°C136 mmFairOct24°C / 14°C74 mmExcellentNov18°C / 8°C69 mmExcellentDec10°C / 1°C35 mmGood

← AugustBest time to visit SuzhouOctober →

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