Weather in Yunnan for September 2026
In general, the average temperature in Yunnan at the beginning of September is 21.7 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 20.3 °C by the end of September.
Yunnan experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 294.1 mm.
Is September a good time to visit Yunnan? check out the best time to travel to Yunnan page.
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Yunnan Weather September
What’s the Weather Like in Yunnan This September?
Temperatures trend during September in Yunnan
September weather in Yunnan day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Patchy light rain with thunder | 22° /12° | 18.9 mm | 5 | |
| 2 Sept. | Light rain shower | 19° /12° | 9.9 mm | 5 | |
| 3 Sept. | Light rain shower | 22° /12° | 12.9 mm | 5 | |
| 4 Sept. | Light rain shower | 21° /12° | 6.5 mm | 5 | |
| 5 Sept. | Light rain shower | 21° /12° | 7.1 mm | 5 | |
| 6 Sept. | Patchy rain possible | 23° /11° | 7.2 mm | 5 | |
| 7 Sept. | Patchy rain possible | 24° /12° | 9.4 mm | 6 | |
| 8 Sept. | Patchy light rain with thunder | 23° /12° | 14.1 mm | 6 | |
| 9 Sept. | Patchy light rain with thunder | 23° /13° | 10.9 mm | 5 | |
| 10 Sept. | Patchy light rain with thunder | 22° /13° | 16.7 mm | 5 | |
| 11 Sept. | Light rain shower | 21° /12° | 11.9 mm | 5 | |
| 12 Sept. | Light rain shower | 20° /13° | 11.6 mm | 5 | |
| 13 Sept. | Patchy rain possible | 21° /12° | 8.7 mm | 5 | |
| 14 Sept. | Patchy light rain with thunder | 23° /11° | 5.8 mm | 5 | |
| 15 Sept. | Patchy light rain with thunder | 23° /11° | 8.8 mm | 5 | |
| 16 Sept. | Light rain shower | 20° /12° | 10.8 mm | 5 | |
| 17 Sept. | Patchy rain possible | 22° /11° | 7.8 mm | 5 | |
| 18 Sept. | Patchy rain possible | 22° /11° | 6.7 mm | 5 | |
| 19 Sept. | Patchy rain possible | 23° /12° | 11.6 mm | 6 | |
| 20 Sept. | Patchy rain possible | 23° /12° | 9.1 mm | 6 | |
| 21 Sept. | Patchy rain possible | 22° /12° | 10 mm | 5 | |
| 22 Sept. | Moderate rain at times | 22° /12° | 12.6 mm | 5 | |
| 23 Sept. | Patchy rain possible | 20° /12° | 8.7 mm | 5 | |
| 24 Sept. | Light rain shower | 23° /11° | 7 mm | 5 | |
| 25 Sept. | Light rain shower | 22° /11° | 5.9 mm | 5 | |
| 26 Sept. | Patchy light rain with thunder | 17° /11° | 10.3 mm | 4 | |
| 27 Sept. | Patchy light rain with thunder | 20° /11° | 8.8 mm | 4 | |
| 28 Sept. | Light rain shower | 20° /11° | 8.5 mm | 5 | |
| 29 Sept. | Light rain shower | 21° /11° | 10.3 mm | 5 | |
| 30 Sept. | Light rain shower | 19° /11° | 5.8 mm | 5 | |
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Yunnan weather in September vs August vs October
| August | September | October | |
|---|---|---|---|
| Weather | Patchy rain possible | Patchy rain possible | Patchy rain possible |
| Temperatures | 23°/12° | 21°/12° | 18°/9° |
| Rainfall | 269 mm | 294 mm | 130 mm |
| Wind | 7.1 km/h | 6.8 km/h | 8 km/h |
| Humidity | 84% | 85% | 83% |
| Rainy days | 30 days | 30 days | 24 days |
| Dry days | 1 days | 0 days | 7 days |
Planning a trip to Yunnan? Discover the best time to visit
Yunnan in September - FAQ
What are the expected maximum and minimum temperatures in Yunnan during September?
How much rainfall should be expected in Yunnan during September?
What are the typical wind conditions in Yunnan during September?
September rainfall patterns in Yunnan
UV exposure in Yunnan during September
What to pack to Yunnan in September?
Mild & changeable · highs around 21 °C, frequent showers
As you prepare for your trip to Yunnan in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Yunnan, during September, is comfortable and enjoyable, regardless of the weather conditions.
🧥 Clothing
👟 Footwear
🎒 Accessories
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Get accurate weather forecasts for Yunnan, located at latitude 26.869 and longitude 100.221. Stay updated with localized weather information tailored for Yunnan.