How hot is Guangzhou in September?

Daytime highs in Guangzhou in September average 31°C (88°F); nights drop to about 25°C.

Does it rain in Guangzhou in September?

Expect around 19.5 rainy days and 247 mm of rainfall in September.

Is September a good time to visit Guangzhou?

September is a challenging month to visit Guangzhou — consider November–January instead. Overall travel score: 3.4/10. The best months are November–January.

Guangzhou weather in September

September is a challenging month to visit Guangzhou — consider November–January instead. Expect highs around 31°C, lows near 25°C, and about 19.5 days with rain.

3.4 · Poortravel score for September

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Avg high

31°C

Avg low

25°C

Rainfall

247 mm

Rain days

19.5

Sunshine

9 h/day

Daylight

12.1 h

What to pack for Guangzhou in September

light, breathable clothing
sun protection (hat, SPF 50)
a compact umbrella or rain shell — rain is frequent
expect humid, sticky conditions

Humidity averages 82%; max daily wind around 15 km/h.

How September compares

Best months in Guangzhou: November–January. See the full best time to visit Guangzhou guide.

Guangzhou in September: the details

In September, Guangzhou sees average daytime highs of 31°C (88°F) and overnight lows of 25°C (77°F). Rainfall totals roughly 247 mm across 19.5 rainy days, and the sun shines about 9 hours per day with 12.1 hours of daylight mid-month. Relative humidity averages 82%.

These figures are climate normals computed from the ERA5 weather reanalysis (2019–2024) for Guangzhou, China (23.12, 113.25) — see our methodology. Actual conditions vary year to year.

Where should you go next month?

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