Monthly climate guide
Dongguan weather in September
September in Dongguan is typically hot, with average daytime highs around 31°C (88°F) and night-time lows near 24°C (76°F). The month usually brings about 144 mm of rain (wet) and is often cloudy. Daytime highs are about the same as August and 2°C warmer than October.
What stands out in September
- Nights stay warm, rarely below 24°C — air-conditioning helps.
- Only 2 months are warmer in Dongguan than September.
- Just 310 km apart, but Dongguan runs about 2°C warmer than Shantou this month.
- Humidity near 82% makes 31°C feel stickier than it sounds.
Avg high
31°C
88°F
Avg low
24°C
76°F
Rainfall
144 mm
wet
Humidity
82%
relative
Sky
65%
cloud · often cloudy
Dongguan weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 21°C / 70°F | 10°C / 49°F | 58 mm | 70% | 66% |
| February | 23°C / 73°F | 12°C / 53°F | 42 mm | 72% | 77% |
| March | 26°C / 78°F | 16°C / 60°F | 108 mm | 75% | 84% |
| April | 29°C / 84°F | 20°C / 67°F | 159 mm | 78% | 83% |
| May | 30°C / 87°F | 24°C / 74°F | 307 mm | 84% | 86% |
| June | 31°C / 88°F | 26°C / 78°F | 284 mm | 87% | 86% |
| July | 32°C / 89°F | 26°C / 79°F | 206 mm | 86% | 81% |
| August | 32°C / 89°F | 26°C / 79°F | 242 mm | 85% | 79% |
| September | 31°C / 88°F | 24°C / 76°F | 144 mm | 82% | 65% |
| October | 29°C / 85°F | 20°C / 68°F | 64 mm | 76% | 54% |
| November | 27°C / 81°F | 16°C / 62°F | 45 mm | 73% | 61% |
| December | 22°C / 71°F | 10°C / 50°F | 30 mm | 66% | 58% |
What to pack for September
- Light, breathable clothing (cotton or linen)
- A sun hat and high-SPF sunscreen
- A refillable water bottle
- A compact umbrella or packable rain jacket
- Water-resistant shoes
- Quick-dry fabrics — it feels stickier than the temperature suggests
Is September a good time to visit Dongguan?
Compare the months in the chart above to find your ideal window.
Best time to visit Dongguan →Other China cities in September
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Dongguan weather in September. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/china/dongguan/september
<a href="https://weathercompare.eu/weather/china/dongguan/september">Dongguan weather in September</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/china/dongguan" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Dongguan weather in September"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/china/dongguan/september">Dongguan weather in September</a> – WeatherCompare</p>
Dongguan in September: quick answers
Is September a good time to visit Dongguan?
It can be, if you like heat: September highs in Dongguan are around 31°C. Good for the beach; plan sightseeing for early morning and evening.
How warm is Dongguan in September?
Average highs are about 31°C (88°F) and average lows about 24°C (76°F), based on 10 years of daily data.
Does it rain a lot in Dongguan in September?
Dongguan typically gets around 144 mm of rain in September — wet.
Figures are long-term averages for the area around Dongguan (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.