The Li River: A Journey Through China’s Most Breathtaking Landscape
Explore the Li River, China's breathtaking landscape with majestic mountains, serene waters, and picturesque views. A must-see for every traveler.
Hangzhou Weather in September
With daytime temperatures of 30°C (86°F) and nighttime lows of 22°C (72°F), September in Hangzhou brings very high temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 106 mm (4.2 in) falls on average.
Rainfall in Hangzhou in September
Climate statistics over the past 30 years suggest around 14 days of rain, with 106 mm (4.2 in) average for the month. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.
Temperature in Hangzhou in September
Hangzhou in September gets highs of 30°C (86°F) during the day and drops to 22°C (72°F) at night. If you're spending a lot of time outdoors, it helps to plan around the warmer part of the day. With overnight lows of 22°C (72°F), evenings stay pleasantly warm.
Sunshine in Hangzhou in September
The city usually sees around 145 hours of sunlight, indicating a moderately sunny period.If you prefer enjoying temperate temperatures and rain-free days, October typically offers the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Hangzhou Temperature in September
Min Temperature
22°C (72°F)
Max Temperature
30°C (86°F)
Chance of Rain
46%
Precipitation
106 mm (4.2 in)
Rainy days
14 days
Humidity
79%
Sunshine
145 hours
Percentage Sunshine
Hangzhou Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Hangzhou - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Hangzhou 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 19°C (66°F) to 23°C (73°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 records for Hangzhou in September
Browse day-by-day weather records for Hangzhou spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Hangzhou historical weather extremes in September
According to our 50 years of weather records for Hangzhou, the following extremes were recorded between 1976 and 2026.
- The warmest day in September was on September 7, 1995, with a maximum of 39°C (102°F).
- The coldest September day was on September 12, 1984, with a maximum of 17°C (63°F).
- The coldest night in September in Hangzhou was on September 13, 1981, with a minimum of 8°C (46°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
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Hangzhou in September
Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Prepare for significant rainfall with proper waterproof clothing and shoes. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.
What To Do in Hangzhou in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming7/10 -
Cycling7/10 -
Walking7/10 -
Camping6/10 -
Outdoor sports7/10
Hangzhou 3-Day Forecast
More climate data for Hangzhou
Temperature Rainfall Sunshine Humidity
See the full Hangzhou climate overview or explore weather in China.
Popular in September
Where to go in September - average daytime high across popular destinations.
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
The Li River: A Journey Through China’s Most Breathtaking Landscape
Go to China's Zhangjiajie National Park with the highest, the fastest, largest-loaded outdoor elevator in the world
You won't find this unique landscape anywhere else in the world. Thousands of floating mountains overgrown with trees at the top dominate this fairy tale landscape.
Go to Xinjiang in China
In Xinjiang you get to see a mix of East and Central Asia. An experience that you might want to add to your bucket list. You can travel through the province as if you are following an ancient silk route.
Mount Kailash
The best time for a Kailash tour/trekking is from mid-May to mid-October when the temperature is most pleasant. It is warm, dry and sunny in that period.