Hangzhou
September
Weather in Hangzhou for September 2025
Your guide to Hangzhou weather in September - trends and predictions
In general, the average temperature in Hangzhou at the beginning of September is 30.7 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 28.3 °C by the end of September.
Hangzhou in September brings notable rainfall, with an average of 18 rainy days and a total precipitation of 145.5 mm.
Is September a good time to visit Hangzhou? check out the best time to travel to Hangzhou page.
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Temperatures
Rain 🌧️
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12
Dry days
18
Rainy days
0
Snow days
29°/22°
Temperatures
14 km/h
Avg max wind
80 %
Avg humidity
Hangzhou in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  32° | 2  30° | 3 29° | 4  30° | 5 31° | 6  31° | 7 32° |
| 8 31° | 9 31° | 10  31° | 11 31° | 12 31° | 13 28° | 14  26° |
| 15 26° | 16 27° | 17 31° | 18 30° | 19 31° | 20 27° | 21 26° |
| 22 26° | 23 26° | 24 25° | 25 28° | 26 29° | 27 29° | 28 29° |
| 29 28° | 30 30° |
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Temperatures trend during September in Hangzhou
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. | Sunny | 32° /23° | 0.1 mm | 8 | |
| 2 Sept. | Moderate or heavy rain shower | 30° /23° | 2 mm | 7 | |
| 3 Sept. | Moderate or heavy rain shower | 29° /23° | 13.9 mm | 7 | |
| 4 Sept. | Overcast | 30° /23° | 4.1 mm | 7 | |
| 5 Sept. | Moderate rain at times | 31° /23° | 4.6 mm | 7 | |
| 6 Sept. | Patchy rain possible | 31° /22° | 2.3 mm | 7 | |
| 7 Sept. | Patchy rain possible | 32° /22° | 0.4 mm | 7 | |
| 8 Sept. | Patchy rain possible | 31° /22° | 0.1 mm | 7 | |
| 9 Sept. | Moderate or heavy rain shower | 31° /22° | 3.8 mm | 7 | |
| 10 Sept. | Partly cloudy | 31° /21° | 7.1 mm | 7 | |
| 11 Sept. | Moderate or heavy rain shower | 31° /22° | 6.5 mm | 7 | |
| 12 Sept. | Patchy rain possible | 31° /22° | 2.8 mm | 7 | |
| 13 Sept. | Moderate or heavy rain shower | 28° /22° | 25.8 mm | 6 | |
| 14 Sept. | Heavy rain at times | 26° /22° | 15.6 mm | 6 | |
| 15 Sept. | Overcast | 26° /21° | 14.8 mm | 6 | |
| 16 Sept. | Patchy rain possible | 27° /21° | 19.3 mm | 6 | |
| 17 Sept. | Partly cloudy | 31° /21° | 0.1 mm | 7 | |
| 18 Sept. | Sunny | 30° /21° | 0.4 mm | 8 | |
| 19 Sept. | Sunny | 31° /21° | 5.2 mm | 7 | |
| 20 Sept. | Moderate or heavy rain shower | 27° /21° | 6.8 mm | 6 | |
| 21 Sept. | Light rain shower | 26° /18° | 2.4 mm | 6 | |
| 22 Sept. | Sunny | 26° /18° | 1.4 mm | 6 | |
| 23 Sept. | Patchy rain possible | 26° /19° | 0.4 mm | 6 | |
| 24 Sept. | Patchy rain possible | 25° /19° | 0.6 mm | 6 | |
| 25 Sept. | Sunny | 28° /19° | 0.6 mm | 7 | |
| 26 Sept. | Sunny | 29° /20° | 0.6 mm | 7 | |
| 27 Sept. | Sunny | 29° /20° | 0.7 mm | 7 | |
| 28 Sept. | Patchy rain possible | 29° /21° | 0.3 mm | 7 | |
| 29 Sept. | Moderate rain at times | 28° /21° | 2.2 mm | 6 | |
| 30 Sept. | Overcast | 30° /21° | 0.6 mm | 7 | |
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Important Notice
Our weather forecast for Hangzhou 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 Hangzhou forecast closer to your planned date for the most up-to-date weather information.
Hangzhou in September - FAQ
What are the expected maximum and minimum temperatures in Hangzhou during September?
During September, expect a variety of temperatures with highs around 29° and lows near 22°, suitable for diverse activities and preferences.
How much rainfall should be expected in Hangzhou during September?
Significant rainfall exceeding 145.5 mm is expected in Hangzhou during September, occurring over more than 18 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Hangzhou during September?
The average wind speed in Hangzhou during September is 14 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Hangzhou in September?
As you prepare for your trip to Hangzhou 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 Hangzhou, 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 Hangzhou
Explore the daily rainfall trends and prepare for Hangzhous September weather 💧
UV exposure in Hangzhou during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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