Dongguan Weather in September
With daytime temperatures of 33°C (91°F) and nighttime lows of 25°C (77°F), September in Dongguan brings very high temperatures during the day. Do keep in mind that September is part of the rainy season, with frequent and often heavy rainfall.
Rainfall in Dongguan in September
As part of the rainy season, Dongguan sees around 13 days of rain in September, with an average of 184 mm (7.2 in). Rainfall this month is frequent and tends to be fairly heavy when it does fall. Packing waterproofs is a good idea.
Temperature in Dongguan in September
In September, Dongguan gets very high temperatures, with highs of 33°C (91°F). Nights cool to around 25°C (77°F). Indoor breaks or shaded spots can make the warmer part of the day much more comfortable. At 25°C (77°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference.September in Dongguan has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, 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 Dongguan's climate page.
Dongguan Temperature in September
Min Temperature
25°C (77°F)
Max Temperature
33°C (91°F)
Chance of Rain
44%
Precipitation
184 mm (7.2 in)
Rainy days
13 days
Humidity
76%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Dongguan typically stay consistent throughout September, with daily highs averaging around 33°C (91°F). Nights are warm, with lows around 25°C (77°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 Dongguan in September
Browse day-by-day weather records for Dongguan spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Dongguan historical weather extremes in September
Based on 49 years of weather observations in Dongguan between 1976 and 2025, these are the recorded extremes.
- The warmest day in September was on September 1, 1990, with a maximum of 38°C (100°F).
- Dongguan experienced its chilliest September day on September 28, 1997, reaching only 19°C (66°F).
- Dongguan registered its coldest September night on September 28, 1997, with temperatures dropping to 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 Dongguan in September
Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can.What To Do in Dongguan 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 Dongguan's climate page.
See the full Dongguan climate overview or explore weather in China.
