Kunming Weather in September

China · September climate averages and travel tips

Avg high26°C (78°F)
Avg low15°C (59°F)
Rainfall111 mm (4.4 in)
RatingFair 5.5/10

Expect warm days in Kunming in September: the average high is 26°C (78°F) and the average low is 15°C (59°F). September is autumn (fall) in China. The month is moderately rainy, with about 111 mm (4.4 in) of rain spread over 16 days. You get roughly 12.1 hours of daylight and frequently cloudy skies.

Is September a good time to visit Kunming?

September is a fair time to visit Kunming (5.5/10) mainly because of the rain. For better weather, go in February to May and November.

Visiting Kunming in September

September weather

September feels mild rather than chilly in Kunming, but it's often damp and cloudy. Daytime highs reach 26°C, while evenings can cool to 15°C. Rain falls on 16 days, and August is wetter, so showers are easing but still part of the day.

You can explore the Yunnan Nationalities Village or browse Kunming's old streets between showers. Long views from the Western Hills are less reliable under thick cloud. Stone Forest is still worth a day trip, but wet paths can be slippery. If you hate crowds, September is calmer than the summer holiday period.

Events and holidays

The Mid-Autumn Festival sometimes falls in September, though its date changes each year. If it does, you'll find mooncakes in bakeries and family gatherings around the city. It's a Chinese public holiday, so rail and road trips can get busier around the festival itself.

September isn't Kunming's main festival month, and there's no fixed citywide event to plan your visit around. The big National Day holiday begins in October, so the city is usually less crowded before it.

Crowds and prices

After the summer school break, September tends to be quieter than July and August. It's also before October's National Day rush. Hotels and flights can be better value than during those peak periods, though prices vary around Mid-Autumn Festival.

For a practical local tip, take the cable car up the Western Hills only when the sky looks clear; cloud can hide the Dianchi Lake view. If it's grey, stay around Green Lake Park and try a bowl of rice noodles instead.

September weather at a glance

Average high26°C (78°F)
Average low15°C (59°F)
Daily mean20°C (68°F)
Rainfall111 mm (4.4 in)
Rainy days (1 mm+)16
Humidity77%
Cloud cover80%
Daylight12.1 hours
Est. sunshine2.7 hours/day
Wind7.1 km/h
vs August1°C cooler than August, with 52 mm less rain.

What to pack for Kunming in September

Kunming weather in other months

Jan16°C / 3°C20 mmExcellentFeb19°C / 5°C9 mmExcellentMar22°C / 8°C15 mmExcellentApr25°C / 11°C28 mmExcellentMay27°C / 14°C64 mmExcellentJun28°C / 17°C146 mmFairJul27°C / 17°C173 mmPoorAug27°C / 17°C163 mmPoorSep26°C / 15°C111 mmFairOct23°C / 12°C67 mmExcellentNov20°C / 8°C23 mmExcellentDec16°C / 4°C13 mmExcellent

← AugustBest time to visit KunmingOctober →

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