September · China
Best time to visit Guangzhou in September Weather, crowds & prices
Weather in Guangzhou in September
Average temperature 28°C, 285 mm of rain, about 25 days with 6+ hours of sunshine and 81% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
3.2/10
Ranked #9 of 12 months
- Avg temp
- 28°C
- Rainfall
- 285 mm
- Humidity
- 81%
- Days with 6h+ sun
- 25
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
September in Guangzhou scores 3.2/10 for sightseeing and cultural travel - ranked #9 of 12. Expect around 28°C, 285 mm of rain, and roughly 25 days with 6+ hours of sunshine this month.
Guangzhou faces the Pearl River with a skyline of towers, colonial-era Shamian Island, and a serious dim sum culture.
September in Guangzhou — off-season conditions
September averages 28°C (82°F) and humidity near 81%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
285 mm makes this the wettest stretch of the year, though about 25 days with 6+ hours of sunshine still appear — keep an indoor fallback ready.
It scores 3.2/10 here, 9th of 12 months, against 9.8/10 in the destination's best month.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
Plan for low-season pricing, with crowds are light for this destination.
Flexible dates? December scores 6.6 points higher here — enough to change the trip.
Frequently asked
- What is the weather like in Guangzhou in September?
- In September, Guangzhou averages 28°C, 285 mm of rain, and about 25 days with 6+ hours of sunshine. Its climate-comfort score is 3.2/10.
- Is September a good time to visit Guangzhou?
- September earns a 3.2/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Guangzhou in September?
- Expect about 285 mm of rain in September. Average humidity is 81% and there are about 25 days with 6+ hours of sunshine.
Curated in Guangzhou
Tickets & experiences
Things to do in Guangzhou
Guangzhou, China. Live activities and tours from GetYourGuide, matched to this destination.