How hot is Dongguan in September?

Daytime highs in Dongguan in September average 31°C (88°F); nights drop to about 24°C.

Does it rain in Dongguan in September?

Expect around 21.7 rainy days and 300 mm of rainfall in September.

Is September a good time to visit Dongguan?

September is a challenging month to visit Dongguan — consider November–January instead. Overall travel score: 3.3/10. The best months are November–January.

Dongguan weather in September

September is a challenging month to visit Dongguan — consider November–January instead. Expect highs around 31°C, lows near 24°C, and about 21.7 days with rain.

3.3 · Poortravel score for September

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

Avg high

31°C

Avg low

24°C

Rainfall

300 mm

Rain days

21.7

Sunshine

9.1 h/day

Daylight

12.1 h

What to pack for Dongguan 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 83%; max daily wind around 13 km/h.

How September compares

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

Dongguan in September: the details

In September, Dongguan sees average daytime highs of 31°C (88°F) and overnight lows of 24°C (76°F). Rainfall totals roughly 300 mm across 21.7 rainy days, and the sun shines about 9.1 hours per day with 12.1 hours of daylight mid-month. Relative humidity averages 83%.

These figures are climate normals computed from the ERA5 weather reanalysis (2019–2024) for Dongguan, China (23.02, 113.75) — see our methodology. Actual conditions vary year to year.

Where should you go next month?

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