Yunnan (Lijiang)
September
Weather in Yunnan for September 2025
Your guide to Yunnan weather in September - trends and predictions
In general, the average temperature in Yunnan at the beginning of September is 21 °C. As the month progressed, temperatures tended to slightly decrease, reaching an average of 20.6 °C by the end of September.
Yunnan experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 272.3 mm.
Is September a good time to visit Yunnan? check out the best time to travel to Yunnan page.
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Temperatures
Rain 🌧️
More
3
Dry days
27
Rainy days
0
Snow days
22°/12°
Temperatures
7 km/h
Avg max wind
84 %
Avg humidity
Yunnan in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  22° | 2  18° | 3 21° | 4 19° | 5 17° | 6 24° | 7 26° |
| 8 25° | 9 24° | 10 21° | 11 21° | 12 21° | 13 20° | 14 24° |
| 15 23° | 16 19° | 17 24° | 18 24° | 19 25° | 20 26° | 21 25° |
| 22  23° | 23 23° | 24 22° | 25 21° | 26 18° | 27 20° | 28 21° |
| 29 21° | 30 21° |
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Temperatures trend during September in Yunnan
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Patchy light rain with thunder | 22° /14° | 18.9 mm | 5 | |
| 2 Sept. | Light rain shower | 18° /13° | 7.1 mm | 4 | |
| 3 Sept. | Light rain shower | 21° /13° | 21.1 mm | 5 | |
| 4 Sept. | Light rain shower | 19° /13° | 12.1 mm | 4 | |
| 5 Sept. | Light rain shower | 17° /11° | 11 mm | 4 | |
| 6 Sept. | Patchy rain possible | 24° /11° | 0.8 mm | 5 | |
| 7 Sept. | Patchy rain possible | 26° /11° | 2.3 mm | 6 | |
| 8 Sept. | Patchy light rain with thunder | 25° /11° | 7.1 mm | 6 | |
| 9 Sept. | Patchy light rain with thunder | 24° /13° | 8.3 mm | 5 | |
| 10 Sept. | Patchy light rain with thunder | 21° /14° | 21.5 mm | 5 | |
| 11 Sept. | Light rain shower | 21° /12° | 8.9 mm | 5 | |
| 12 Sept. | Light rain shower | 21° /13° | 9.1 mm | 5 | |
| 13 Sept. | Patchy rain possible | 20° /11° | 6 mm | 5 | |
| 14 Sept. | Patchy light rain with thunder | 24° /11° | 11.6 mm | 5 | |
| 15 Sept. | Patchy light rain with thunder | 23° /12° | 17.3 mm | 5 | |
| 16 Sept. | Light rain shower | 19° /13° | 15.7 mm | 4 | |
| 17 Sept. | Patchy rain possible | 24° /11° | 3.3 mm | 5 | |
| 18 Sept. | Patchy rain possible | 24° /11° | 1.8 mm | 5 | |
| 19 Sept. | Patchy rain possible | 25° /12° | 3.8 mm | 6 | |
| 20 Sept. | Patchy rain possible | 26° /11° | 0.6 mm | 6 | |
| 21 Sept. | Patchy rain possible | 25° /11° | 0.3 mm | 6 | |
| 22 Sept. | Moderate rain at times | 23° /12° | 5.5 mm | 5 | |
| 23 Sept. | Patchy rain possible | 23° /12° | 4.8 mm | 5 | |
| 24 Sept. | Light rain shower | 22° /13° | 13 mm | 5 | |
| 25 Sept. | Light rain shower | 21° /13° | 8.8 mm | 5 | |
| 26 Sept. | Patchy light rain with thunder | 18° /12° | 15.2 mm | 5 | |
| 27 Sept. | Patchy light rain with thunder | 20° /11° | 11.2 mm | 5 | |
| 28 Sept. | Light rain shower | 21° /11° | 7.6 mm | 5 | |
| 29 Sept. | Light rain shower | 21° /11° | 9.4 mm | 5 | |
| 30 Sept. | Light rain shower | 21° /11° | 8.1 mm | 5 | |
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Important Notice
Our weather forecast for Yunnan in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Yunnan forecast closer to your planned date for the most up-to-date weather information.
Yunnan in September - FAQ
What are the expected maximum and minimum temperatures in Yunnan during September?
Enjoy moderate daytime temperatures of up to 22° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Yunnan during September?
Significant rainfall exceeding 272.3 mm is expected in Yunnan during September, occurring over more than 27 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Yunnan during September?
The average wind speed in Yunnan during September is 7 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Yunnan in September?
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
- Warm Clothing: Sweaters, hoodies, long pants
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- Scarves: To protect you from the cold wind
- Gloves/Mittens: Essential for cold weather
- Warm Hats: Warm hats for insulation in cold weather
- Umbrellas/Raincoats: For rainy days
September rainfall patterns in Yunnan
Explore the daily rainfall trends and prepare for Yunnans September weather 💧
UV exposure in Yunnan during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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