Guiyang Weather in September
With daytime temperatures of 26°C (79°F) and nighttime lows of 17°C (63°F), September in Guiyang brings high temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 118 mm (4.6 in) falls on average.
Rainfall in Guiyang in September
Typically around 14 days of rainfall are expected, averaging 118 mm (4.6 in) for the month. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.
Temperature in Guiyang in September
September in Guiyang sees highs of 26°C (79°F) and lows of 17°C (63°F) overnight. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With overnight lows of 17°C (63°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.
Sunshine in Guiyang in September
The month experiences a moderate amount of sunlight, with 120 hours of sunshine. This provides a nice balance between sunshine and clouds.So this is a great month to visit if you prefer dry days with pleasant temperatures.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit China, check out our Guiyang's climate page.
Guiyang Temperature in September
Min Temperature
17°C (63°F)
Max Temperature
26°C (79°F)
Chance of Rain
46%
Precipitation
118 mm (4.6 in)
Rainy days
14 days
Humidity
75%
Sunshine
120 hours
Percentage Sunshine
32%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Guiyang typically drop from around 27°C (81°F) at the start of September to approximately 23°C (73°F) by the end. Nights are pleasant, with lows typically ranging from 16°C (61°F) to 19°C (66°F).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for Guiyang in September
Browse day-by-day weather records for Guiyang spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Guiyang historical weather extremes in September
Our historical data for Guiyang spans 1976 to 2025, revealing these weather extremes.
- The warmest day in September was on September 4, 2024, with a maximum of 35°C (95°F).
- Guiyang experienced its chilliest September day on September 20, 2011, reaching only 12°C (54°F).
- The lowest overnight temperature recorded in September was 8°C (46°F) (September 29, 2013).
Best Places in China in September
Find out more about the weather in China and which places have the best travel conditions in this month. See all of China in September →
perfect weather
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What to Wear in Guiyang in September
Warm but pleasant conditions in Guiyang in September. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Expect heavy rainfall, so bring good rain protection and waterproof bags. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Guiyang in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit China, check out our Guiyang's climate page.
Temperature Rainfall Sunshine Humidity
See the full Guiyang climate overview or explore weather in China.
