Shanghai
September
Weather in Shanghai for September 2025
Your guide to Shanghai weather in September - trends and predictions
In general, the average temperature in Shanghai at the beginning of September is 30.9 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 28.1 °C by the end of September.
Shanghai experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 193.9 mm.
Is September a good time to visit Shanghai? check out the best time to travel to Shanghai page.
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Temperatures
Rain 🌧️
More
9
Dry days
21
Rainy days
0
Snow days
29°/23°
Temperatures
17 km/h
Avg max wind
76 %
Avg humidity
Shanghai Weather September
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Temperatures trend during September in Shanghai
See the weather trend as well as the moving average line
September weather in Shanghai day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Partly cloudy | 32° /23° | 0.1 mm | 8 | |
| 2 Sept. |  Moderate or heavy rain shower | 30° /24° | 5.6 mm | 7 | |
| 3 Sept. |  Patchy rain possible | 29° /24° | 9.2 mm | 6 | |
| 4 Sept. | Moderate or heavy rain shower | 31° /24° | 3.9 mm | 7 | |
| 5 Sept. | Moderate rain at times | 30° /24° | 2.7 mm | 7 | |
| 6 Sept. | Moderate or heavy rain shower | 32° /23° | 2.1 mm | 7 | |
| 7 Sept. | Partly cloudy | 32° /23° | 0.1 mm | 7 | |
| 8 Sept. | Patchy rain possible | 31° /23° | 0.4 mm | 7 | |
| 9 Sept. | Patchy rain possible | 31° /23° | 5.3 mm | 7 | |
| 10 Sept. | Moderate or heavy rain shower | 31° /23° | 6.7 mm | 7 | |
| 11 Sept. | Moderate or heavy rain shower | 30° /23° | 15.3 mm | 7 | |
| 12 Sept. | Moderate rain at times | 29° /24° | 23.4 mm | 6 | |
| 13 Sept. | Moderate or heavy rain shower | 28° /23° | 26.3 mm | 6 | |
| 14 Sept. | Moderate or heavy rain shower | 27° /23° | 21.9 mm | 6 | |
| 15 Sept. | Moderate or heavy rain shower | 27° /23° | 8.9 mm | 6 | |
| 16 Sept. |  Overcast | 27° /22° | 25.7 mm | 6 | |
| 17 Sept. |  Sunny | 30° /22° | 0.3 mm | 7 | |
| 18 Sept. | Patchy rain possible | 30° /22° | 0.2 mm | 7 | |
| 19 Sept. |  Cloudy | 29° /22° | 4.6 mm | 7 | |
| 20 Sept. | Moderate or heavy rain shower | 27° /21° | 22.1 mm | 6 | |
| 21 Sept. | Sunny | 26° /20° | 0.6 mm | 6 | |
| 22 Sept. | Sunny | 27° /20° | 1 mm | 6 | |
| 23 Sept. | Sunny | 27° /20° | 0.4 mm | 7 | |
| 24 Sept. | Sunny | 27° /20° | 0.9 mm | 6 | |
| 25 Sept. | Sunny | 28° /21° | 0.3 mm | 7 | |
| 26 Sept. | Sunny | 28° /21° | 1.4 mm | 7 | |
| 27 Sept. | Patchy rain possible | 29° /21° | 0.4 mm | 6 | |
| 28 Sept. | Sunny | 28° /21° | 1.1 mm | 7 | |
| 29 Sept. | Patchy rain possible | 29° /22° | 1.8 mm | 6 | |
| 30 Sept. | Overcast | 28° /22° | 1 mm | 6 | |
| Next | |||||
Important Notice
Our weather forecast for Shanghai 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 Shanghai forecast closer to your planned date for the most up-to-date weather information.
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Shanghai in September - FAQ
What are the expected maximum and minimum temperatures in Shanghai during September?
During September, expect a variety of temperatures with highs around 29° and lows near 23°, suitable for diverse activities and preferences.
How much rainfall should be expected in Shanghai during September?
Significant rainfall exceeding 193.9 mm is expected in Shanghai during September, occurring over more than 21 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Shanghai during September?
The average wind speed in Shanghai during September is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Shanghai in September?
As you prepare for your trip to Shanghai 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 Shanghai, during September, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Lightweight Clothing: T-shirts, blouses, shorts, skirts
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Sandals/Flip-flops: Comfortable for warm climates
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- Umbrellas/Raincoats: For rainy days
- Personal Items
- Sunscreen: High SPF for sunny destinations
- Lip Balm with SPF: To protect against chapped lips
September rainfall patterns in Shanghai
Explore the daily rainfall trends and prepare for Shanghais September weather 💧
UV exposure in Shanghai during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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