Jiangsu (Suzhou)
September
Weather in Jiangsu for September 2025
Your guide to Jiangsu weather in September - trends and predictions
In general, the average temperature in Jiangsu at the beginning of September is 34.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 27.9 °C by the end of September.
The climate of Jiangsu in September is notably wet, with an average of 14 rainy days.
Is September a good time to visit Jiangsu? check out the best time to travel to Jiangsu page.
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16
Dry days
14
Rainy days
0
Snow days
31°/24°
Temperatures
19 km/h
Avg max wind
78 %
Avg humidity
Jiangsu in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  34° | 2  35° | 3  32° | 4  34° | 5 34° | 6  35° | 7 35° |
| 8 34° | 9 34° | 10 34° | 11  29° | 12 33° | 13  33° | 14 33° |
| 15 30° | 16  27° | 17 32° | 18 32° | 19 29° | 20 27° | 21 26° |
| 22 24° | 23  25° | 24 24° | 25 24° | 26 29° | 27 29° | 28 29° |
| 29 30° | 30 30° |
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Temperatures trend during September in Jiangsu
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. | Thundery outbreaks possible | 34° /25° | 0.3 mm | 7 | |
| 2 Sept. | Light rain shower | 35° /26° | 1.5 mm | 8 | |
| 3 Sept. | Light drizzle | 32° /25° | 1.2 mm | 7 | |
| 4 Sept. | Partly cloudy | 34° /25° | 0 mm | 8 | |
| 5 Sept. | Patchy rain possible | 34° /25° | 0.1 mm | 7 | |
| 6 Sept. | Cloudy | 35° /25° | 0 mm | 7 | |
| 7 Sept. | Patchy rain possible | 35° /25° | 0 mm | 8 | |
| 8 Sept. | Patchy rain possible | 34° /25° | 0.3 mm | 7 | |
| 9 Sept. | Patchy rain possible | 34° /26° | 0.2 mm | 7 | |
| 10 Sept. | Light rain shower | 34° /25° | 7.5 mm | 7 | |
| 11 Sept. | Moderate or heavy rain shower | 29° /26° | 23.7 mm | 6 | |
| 12 Sept. | Patchy rain possible | 33° /26° | 0.6 mm | 7 | |
| 13 Sept. | Sunny | 33° /26° | 0 mm | 8 | |
| 14 Sept. | Patchy rain possible | 33° /25° | 0 mm | 7 | |
| 15 Sept. | Light rain shower | 30° /25° | 3.1 mm | 7 | |
| 16 Sept. | Torrential rain shower | 27° /25° | 84.2 mm | 6 | |
| 17 Sept. | Thundery outbreaks possible | 32° /25° | 0 mm | 7 | |
| 18 Sept. | Partly cloudy | 32° /24° | 0 mm | 8 | |
| 19 Sept. | Light rain shower | 29° /26° | 10.2 mm | 6 | |
| 20 Sept. | Moderate or heavy rain shower | 27° /25° | 71.5 mm | 6 | |
| 21 Sept. | Patchy rain possible | 26° /20° | 0.8 mm | 6 | |
| 22 Sept. | Patchy rain possible | 24° /19° | 0.1 mm | 5 | |
| 23 Sept. | Overcast | 25° /17° | 0 mm | 6 | |
| 24 Sept. | Light rain shower | 24° /20° | 5.9 mm | 5 | |
| 25 Sept. | Patchy rain possible | 24° /21° | 0.2 mm | 5 | |
| 26 Sept. | Patchy rain possible | 29° /21° | 0.1 mm | 6 | |
| 27 Sept. | Patchy rain possible | 29° /20° | 0.1 mm | 6 | |
| 28 Sept. | Sunny | 29° /19° | 0 mm | 7 | |
| 29 Sept. | Patchy rain possible | 30° /21° | 0 mm | 7 | |
| 30 Sept. | Light rain shower | 30° /23° | 5 mm | 7 | |
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Important Notice
Our weather forecast for Jiangsu 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 Jiangsu forecast closer to your planned date for the most up-to-date weather information.
Jiangsu in September - FAQ
What are the expected maximum and minimum temperatures in Jiangsu during September?
During September, expect a variety of temperatures with highs around 31° and lows near 24°, suitable for diverse activities and preferences.
How much rainfall should be expected in Jiangsu during September?
Significant rainfall exceeding 216.6 mm is expected in Jiangsu during September, occurring over more than 14 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Jiangsu during September?
The average wind speed in Jiangsu during September is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Jiangsu in September?
As you prepare for your trip to Jiangsu 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 Jiangsu, 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
- Insect Repellent: For destinations with mosquitos or other insects
September rainfall patterns in Jiangsu
Explore the daily rainfall trends and prepare for Jiangsus September weather 💧
UV exposure in Jiangsu during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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