What to pack for Kunming in September
- t-shirts and light layers
- a light jacket for evenings
- a compact umbrella or rain shell — rain is frequent
Humidity averages 81%; max daily wind around 14 km/h.
How September compares
Best months in Kunming: February–April. See the full best time to visit Kunming guide.
Kunming in September: the details
In September, Kunming sees average daytime highs of 23°C (74°F) and overnight lows of 15°C (59°F). Rainfall totals roughly 172 mm across 21.5 rainy days, and the sun shines about 9.6 hours per day with 12.1 hours of daylight mid-month. Relative humidity averages 81%.
In context: September is the 7th-warmest month and the 4th-wettest in Kunming. The sunniest month is April (10.7 h/day).
| Metric | September average |
|---|---|
| Daytime high | 23°C / 74°F |
| Overnight low | 15°C / 59°F |
| Rainfall | 172 mm over 21.5 rainy days |
| Sunshine | 9.6 h/day (12.1 h daylight) |
| Humidity | 81% |
| Travel score | 7.4 / 10 |
These figures are climate normals computed from the ERA5 weather reanalysis (2019–2024) for Kunming, China (25.04, 102.72) — see our methodology. Actual conditions vary year to year.
Not set on Kunming? Browse the best places to visit in September ranked by travel score.
Frequently asked questions
How hot is Kunming in September?
Daytime highs in Kunming in September average 23°C (74°F); nights drop to about 15°C.
Does it rain in Kunming in September?
Expect around 21.5 rainy days and 172 mm of rainfall in September.
Is September a good time to visit Kunming?
September is a good month to visit Kunming. Overall travel score: 7.4/10. The best months are February–April.
Also good in September, near Kunming
Where should you go next month?
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