Nanjing
September
Weather in Nanjing for September 2025
Your guide to Nanjing weather in September - trends and predictions
In general, the average temperature in Nanjing at the beginning of September is 32.7 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 27.3 °C by the end of September.
The climate of Nanjing in September is notably wet, with an average of 14 rainy days.
Is September a good time to visit Nanjing? check out the best time to travel to Nanjing page.
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16
Dry days
14
Rainy days
0
Snow days
30°/22°
Temperatures
20 km/h
Avg max wind
78 %
Avg humidity
Nanjing in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  35° | 2  34° | 3 29° | 4 32° | 5  33° | 6 33° | 7 33° |
| 8 32° | 9 33° | 10 34° | 11 31° | 12  30° | 13 31° | 14 32° |
| 15 29° | 16  26° | 17  31° | 18 30° | 19 31° | 20 29° | 21 25° |
| 22 23° | 23 25° | 24 22° | 25 27° | 26  28° | 27 28° | 28  27° |
| 29 30° | 30 29° |
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Temperatures trend during September in Nanjing
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 rain possible | 35° /25° | 0 mm | 8 | |
| 2 Sept. | Moderate or heavy rain with thunder | 34° /25° | 9.2 mm | 7 | |
| 3 Sept. | Patchy rain possible | 29° /24° | 0.1 mm | 6 | |
| 4 Sept. | Patchy rain possible | 32° /23° | 0 mm | 7 | |
| 5 Sept. | Partly cloudy | 33° /24° | 0 mm | 8 | |
| 6 Sept. | Patchy rain possible | 33° /24° | 0.2 mm | 7 | |
| 7 Sept. | Partly cloudy | 33° /24° | 0 mm | 8 | |
| 8 Sept. | Patchy rain possible | 32° /24° | 0.2 mm | 7 | |
| 9 Sept. | Patchy rain possible | 33° /24° | 0.1 mm | 7 | |
| 10 Sept. | Patchy rain possible | 34° /24° | 0.1 mm | 7 | |
| 11 Sept. | Light rain shower | 31° /25° | 4.9 mm | 7 | |
| 12 Sept. | Fog | 30° /25° | 0.5 mm | 7 | |
| 13 Sept. | Light rain shower | 31° /25° | 7.4 mm | 7 | |
| 14 Sept. | Light rain shower | 32° /25° | 1.4 mm | 7 | |
| 15 Sept. | Light rain shower | 29° /23° | 1.4 mm | 6 | |
| 16 Sept. | Moderate or heavy rain shower | 26° /22° | 61.3 mm | 6 | |
| 17 Sept. | Patchy light rain with thunder | 31° /22° | 72.8 mm | 7 | |
| 18 Sept. | Partly cloudy | 30° /24° | 0 mm | 8 | |
| 19 Sept. | Patchy light rain with thunder | 31° /24° | 0.8 mm | 7 | |
| 20 Sept. | Light rain shower | 29° /25° | 5.4 mm | 6 | |
| 21 Sept. | Patchy rain possible | 25° /18° | 0.3 mm | 6 | |
| 22 Sept. | Partly cloudy | 23° /16° | 0 mm | 6 | |
| 23 Sept. | Partly cloudy | 25° /15° | 0 mm | 7 | |
| 24 Sept. | Patchy rain possible | 22° /17° | 1.8 mm | 5 | |
| 25 Sept. | Patchy rain possible | 27° /20° | 0.2 mm | 6 | |
| 26 Sept. | Light drizzle | 28° /22° | 0.7 mm | 6 | |
| 27 Sept. | Patchy rain possible | 28° /20° | 0.3 mm | 6 | |
| 28 Sept. | Sunny | 27° /18° | 0 mm | 7 | |
| 29 Sept. | Partly cloudy | 30° /20° | 0 mm | 8 | |
| 30 Sept. | Light rain shower | 29° /21° | 3.7 mm | 6 | |
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Important Notice
Our weather forecast for Nanjing 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 Nanjing forecast closer to your planned date for the most up-to-date weather information.
Nanjing in September - FAQ
What are the expected maximum and minimum temperatures in Nanjing during September?
During September, expect a variety of temperatures with highs around 30° and lows near 22°, suitable for diverse activities and preferences.
How much rainfall should be expected in Nanjing during September?
Significant rainfall exceeding 172.6 mm is expected in Nanjing during September, occurring over more than 14 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Nanjing during September?
The average wind speed in Nanjing during September is 20 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Nanjing in September?
As you prepare for your trip to Nanjing 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 Nanjing, 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 Nanjing
Explore the daily rainfall trends and prepare for Nanjings September weather 💧
UV exposure in Nanjing during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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