What September feels like in Guangzhou
September falls in Guangzhou's wet season — the rainfall numbers rise clearly above the dry months. Afternoons are hot, so sightseeing works best in the morning or evening. There is little difference between day and night: nights stay warm, and evenings feel much like the afternoon. The air is muggy, so it feels hotter than the thermometer suggests.
Rain in Guangzhou in September
Rain is part of normal life this month, falling on about every other day. When rain comes it is heavy, about 12.1 mm (0.5 in) per wet day, often in short, strong bursts. Across the year Guangzhou averages about 12.1 mm per rainy day, so September is typical.
Daylight and sunshine in September
In mid-September, sunrise is at about 6:13 am and sunset at about 6:32 pm (local time) — 12 h 19 min of daylight. Days are getting shorter: 39 min less daylight than in mid-August. The sun is out for roughly 76% of those daylight hours, so there are plenty of bright spells.
How September compares to the rest of the year
In Guangzhou's temperature order, September sits as the 3rd warmest month. Compared with August, afternoons are 0.6°C (1.1°F) cooler, with 82 mm less rain. October is cooler again. By October, typical highs are 28.6°C (83.5°F).
Who September suits
- Sightseeing: less ideal — rain falls on more than half the days.
- Parks & outdoor: less ideal — afternoons are too warm to linger outside.
- Beach: less ideal — too many rainy days.
- Museums & indoor: a good choice — with rain on most days, galleries and museums make easy plans.
Tips for visiting Guangzhou in September
Rain Protection
A packable rain jacket saves the day on showery afternoons.
Sun Protection
Protect yourself from strong sun: hat, SPF and plenty of water.
Quick questions
How warm is Guangzhou in September?
Afternoons average 31.1°C (88°F) and nights about 24.6°C (76.3°F) — hot by most people's standards. It is the 3rd warmest month of the year.
Does it rain a lot in Guangzhou in September?
Quite a lot — 206 mm spread over about 17 days.
What should I wear in Guangzhou in September?
Pack rain protection and sun protection. There is little need to change for the evening.
Is September or October better for visiting Guangzhou?
October scores better on our climate ranking (#5 of 12 vs #8), rated Good against Fair. October is cooler and has fewer rainy days.