Guangdong weather in September
September is a fair month to visit Guangdong: highs of 31°C (87°F) and about 178 mm (7.0 in) of rain on average. Nights average 23°C (74°F) and cloud cover 63% (NASA POWER, 2001–2025 averages). It is the 5th wettest month of the year and the 4th warmest. Compared with August, it is cooler and drier; October brings highs of 29°C (83°F) and 55 mm (2.2 in) of rain.
Figures are long-term averages for Guangzhou, the largest city in Guangdong. See below for other places.
Is September a good time to visit Guangdong?
fair month Weather score 58/100.
September is a fair month in Guangdong. The weather is usually best in Oct–Feb.
Does it rain a lot in Guangdong in September?
Yes, it is one of the rainy months: about 178 mm (7.0 in) falls in an average September. It is the 5th wettest month of the year.
How warm is Guangdong in September?
Days average 31°C (87°F) and nights 23°C (74°F).
Guangdong weather by month
| Month | High | Low | Rain | Cloud | Weather |
|---|---|---|---|---|---|
| January | 20°C (68°F) | 8°C (47°F) | 49 mm | 63% | best |
| February | 23°C (73°F) | 11°C (52°F) | 41 mm | 75% | best |
| March | 26°C (78°F) | 15°C (58°F) | 96 mm | 82% | fair |
| April | 29°C (84°F) | 19°C (66°F) | 152 mm | 83% | fair |
| May | 30°C (87°F) | 23°C (73°F) | 298 mm | 83% | least pleasant |
| June | 31°C (87°F) | 25°C (77°F) | 332 mm | 84% | least pleasant |
| July | 31°C (89°F) | 25°C (77°F) | 213 mm | 76% | least pleasant |
| August | 32°C (89°F) | 25°C (77°F) | 244 mm | 75% | least pleasant |
| September | 31°C (87°F) | 23°C (74°F) | 178 mm | 63% | fair |
| October | 29°C (83°F) | 19°C (66°F) | 55 mm | 49% | best |
| November | 26°C (78°F) | 14°C (58°F) | 41 mm | 53% | best |
| December | 21°C (69°F) | 9°C (48°F) | 30 mm | 52% | best |
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis). Page updated . How we rate months
Weather across Guangdong in September
Weather can differ a lot within Guangdong: coasts, hills and mountains each have their own climate.
| Place | High | Low | Rain | Weather |
|---|---|---|---|---|
| Guangzhou | 31°C (87°F) | 23°C (74°F) | 178 mm | fair |
| Shenzhen | 30°C (86°F) | 26°C (78°F) | 161 mm | fair |
| Dongguan | 31°C (87°F) | 24°C (75°F) | 164 mm | fair |
| Foshan | 31°C (87°F) | 23°C (74°F) | 178 mm | fair |
| Bao'an | 30°C (85°F) | 26°C (79°F) | 173 mm | fair |
| Zhongshan | 30°C (86°F) | 24°C (75°F) | 201 mm | fair |
| Shantou | 29°C (84°F) | 25°C (76°F) | 136 mm | fair |
| Nanhai | 31°C (87°F) | 23°C (74°F) | 178 mm | fair |
| Huizhou | 30°C (87°F) | 23°C (74°F) | 141 mm | fair |
| Yunfu | 30°C (85°F) | 22°C (72°F) | 153 mm | fair |
| Zhuhai | 30°C (85°F) | 26°C (79°F) | 173 mm | fair |
| Puning | 30°C (85°F) | 22°C (72°F) | 151 mm | fair |