Zhoushan Weather in September
With daytime temperatures of 28°C (82°F) and nighttime lows of 24°C (75°F), September in Zhoushan brings high temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 148 mm (5.8 in) falls on average.
Rainfall in Zhoushan in September
Typically, about 13 days will experience rainfall, with an average of 148 mm (5.8 in) for the month. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.
Temperature in Zhoushan in September
September in Zhoushan brings high temperatures, with highs of 28°C (82°F) and nights around 24°C (75°F). Experience the summer season in September. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. At 24°C (75°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference.
Sunshine in Zhoushan in September
The city usually sees around 178 hours of sunlight, indicating a moderately sunny period.Our weather planner can help you find worldwide destinations with pleasant weather during this period. October typically offers the best weather for Zhoushan.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit China, check out our Zhoushan's climate page.
Zhoushan Temperature in September
Min Temperature
24°C (75°F)
Max Temperature
28°C (82°F)
Chance of Rain
44%
Precipitation
148 mm (5.8 in)
Rainy days
13 days
Humidity
80%
Sunshine
178 hours
Percentage Sunshine
47%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Zhoushan typically drop from around 30°C (86°F) at the start of September to approximately 26°C (79°F) by the end. Nights are warm, with lows typically ranging from 20°C (68°F) to 24°C (75°F).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for Zhoushan in September
Browse day-by-day weather records for Zhoushan spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Zhoushan historical weather extremes in September
Based on 49 years of weather observations (1976-2025), these are the most extreme conditions recorded in Zhoushan.
- Zhoushan recorded its highest September temperature of 38°C (100°F) on September 7, 1995.
- Zhoushan experienced its chilliest September day on September 23, 2010, reaching only 19°C (66°F).
- The coldest night in September in Zhoushan was on September 5, 2020, with a minimum of 12°C (54°F).
Best Places in China in September
Find out more about the weather in China and which places have the best travel conditions in this month. See all of China in September →
perfect weather
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What to Wear in Zhoushan in September
Warm but pleasant conditions in Zhoushan in September. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Expect heavy rainfall, so bring good rain protection and waterproof bags. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Zhoushan in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit China, check out our Zhoushan's climate page.
Temperature Rainfall Sunshine Humidity
See the full Zhoushan climate overview or explore weather in China.
