Guangzhou Weather in September
September in Guangzhou brings very high temperatures, with daytime highs of 33°C (91°F) and nights around 25°C (77°F). It's part of the rainy season, with 187 mm (7.4 in) of rainfall on average, so an umbrella or poncho is a good idea.
Rainfall in Guangzhou in September
As part of the rainy season, Guangzhou sees around 13 days of rain in September, with an average of 187 mm (7.4 in). Rainfall this month is frequent and tends to be fairly heavy when it does fall. Packing waterproofs is a good idea.
Temperature in Guangzhou in September
September in Guangzhou brings very high temperatures, with highs of 33°C (91°F) and nights around 25°C (77°F). Indoor breaks or shaded spots can make the warmer part of the day much more comfortable. With lows around 25°C (77°F), the nights are warm enough that a sheet is usually all you need for bedding.
Sunshine in Guangzhou in September
The city usually sees around 169 hours of sunlight, indicating a moderately sunny period (despite it being part of rainy season).September in Guangzhou can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.
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 Guangzhou's climate page.
Guangzhou Temperature in September
Min Temperature
25°C (77°F)
Max Temperature
33°C (91°F)
Chance of Rain
43%
Precipitation
187 mm (7.4 in)
Rainy days
13 days
Humidity
78%
Sunshine
169 hours
Percentage Sunshine
46%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Guangzhou typically stay consistent throughout September, with daily highs averaging around 33°C (91°F). Nights are warm, with lows typically ranging from 24°C (75°F) to 26°C (79°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 Guangzhou in September
Browse day-by-day weather records for Guangzhou spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Guangzhou historical weather extremes in September
According to our 49 years of weather records for Guangzhou, the following extremes were recorded between 1976 and 2025.
- The hottest September day on record in Guangzhou reached 39°C (102°F) (September 22, 2008).
- On September 28, 1997, Guangzhou saw its coldest September day with temperatures maxing out at 18°C (64°F).
- The coldest night in September in Guangzhou was on September 28, 1997, with a minimum of 16°C (61°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
What to Wear in Guangzhou 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. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! Bring sunglasses since you'll have some sunny periods throughout the monthWhat To Do in Guangzhou 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 Guangzhou's climate page.
Temperature Rainfall Sunshine Humidity
See the full Guangzhou climate overview or explore weather in China.
