Guangxi weather in September
September is a fair month to visit Guangxi: highs of 30°C (86°F) and about 136 mm (5.4 in) of rain on average. Nights average 22°C (71°F) and cloud cover 66% (NASA POWER, 2001–2025 averages). It is the 5th wettest month of the year and the 5th warmest. Compared with August, it is cooler and drier; October brings highs of 27°C (81°F) and 80 mm (3.1 in) of rain.
Figures are long-term averages for Nanning, the largest city in Guangxi. See below for other places.
Is September a good time to visit Guangxi?
fair month Weather score 64/100.
September is a fair month in Guangxi. The weather is usually best in Oct–Apr.
Does it rain a lot in Guangxi in September?
Some rain is normal: about 136 mm (5.4 in) falls in an average September. It is the 5th wettest month of the year.
How warm is Guangxi in September?
Days average 30°C (86°F) and nights 22°C (71°F).
Guangxi weather by month
| Month | High | Low | Rain | Cloud | Weather |
|---|---|---|---|---|---|
| January | 18°C (64°F) | 7°C (44°F) | 46 mm | 71% | best |
| February | 22°C (71°F) | 10°C (50°F) | 30 mm | 76% | best |
| March | 25°C (78°F) | 14°C (56°F) | 63 mm | 81% | best |
| April | 30°C (85°F) | 18°C (64°F) | 79 mm | 75% | best |
| May | 31°C (89°F) | 22°C (71°F) | 167 mm | 76% | fair |
| June | 31°C (88°F) | 24°C (75°F) | 248 mm | 85% | least pleasant |
| July | 31°C (87°F) | 24°C (76°F) | 246 mm | 80% | least pleasant |
| August | 31°C (87°F) | 24°C (75°F) | 213 mm | 77% | least pleasant |
| September | 30°C (86°F) | 22°C (71°F) | 136 mm | 66% | fair |
| October | 27°C (81°F) | 18°C (64°F) | 80 mm | 54% | best |
| November | 24°C (75°F) | 13°C (55°F) | 49 mm | 58% | best |
| December | 19°C (66°F) | 8°C (46°F) | 33 mm | 61% | best |
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis). Page updated . How we rate months
Weather across Guangxi in September
Weather can differ a lot within Guangxi: coasts, hills and mountains each have their own climate.
| Place | High | Low | Rain | Weather |
|---|---|---|---|---|
| Nanning | 30°C (86°F) | 22°C (71°F) | 136 mm | fair |
| Guilin | 27°C (81°F) | 19°C (66°F) | 92 mm | best |
| Liuzhou | 30°C (85°F) | 21°C (70°F) | 107 mm | best |
| Qinzhou | 30°C (86°F) | 24°C (74°F) | 184 mm | fair |
| Guigang | 30°C (86°F) | 22°C (72°F) | 136 mm | fair |
| Yulin | 30°C (85°F) | 22°C (72°F) | 164 mm | fair |
| Hezhou | 28°C (82°F) | 19°C (67°F) | 101 mm | best |
| Laibin | 30°C (86°F) | 22°C (71°F) | 122 mm | best |
| Wuzhou | 30°C (87°F) | 22°C (72°F) | 134 mm | fair |
| Baise | 29°C (84°F) | 20°C (67°F) | 142 mm | fair |
| Beihai | 30°C (86°F) | 26°C (78°F) | 231 mm | least pleasant |
| Chongzuo | 30°C (86°F) | 22°C (71°F) | 144 mm | fair |