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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 33.6 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 27.3 °C by the end of September.

  • Expect significant rainfall in Hangzhou during September, with an average of 20 rainy days.

  • Is September a good time to visit Hangzhou? check out the best time to travel to Hangzhou page.

  • New! Chat with our AI weatherman - it’s amazing and free.
Average dry days
10
Dry days
Average rainy days
20
Rainy days
Average snowy days
0
Snow days
Average temperatures
30°/24°
Temperatures
Average wind speed
15 km/h
Avg max wind
Average humidity
82 %
Avg humidity

Hangzhou in September average weather

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Temperatures trend during September in Hangzhou

See the weather trend as well as the moving average line
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September weather day by day

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Date Weather Temperatures Rain UV More
1 Sept. Thundery outbreaks possible
Thundery outbreaks possible
36° /26° 0 mm 8
2 Sept. Thundery outbreaks possible
Thundery outbreaks possible
36° /27° 0.5 mm 8
3 Sept. Light rain shower
Light rain shower
32° /26° 1.9 mm 7
4 Sept. Sunny
Sunny
33° /25° 0 mm 8
5 Sept. Sunny
Sunny
33° /25° 0 mm 8
6 Sept. Patchy rain possible
Patchy rain possible
32° /24° 0.3 mm 7
7 Sept. Patchy rain possible
Patchy rain possible
33° /24° 0.1 mm 7
8 Sept. Partly cloudy
Partly cloudy
33° /24° 0 mm 8
9 Sept. Patchy rain possible
Patchy rain possible
34° /25° 0.1 mm 7
10 Sept. Light rain shower
Light rain shower
31° /24° 25.2 mm 7
11 Sept. Light rain shower
Light rain shower
30° /24° 13.7 mm 7
12 Sept. Patchy rain possible
Patchy rain possible
33° /25° 0.5 mm 7
13 Sept. Sunny
Sunny
34° /25° 0 mm 8
14 Sept. Patchy rain possible
Patchy rain possible
31° /24° 0.1 mm 7
15 Sept. Patchy light rain with thunder
Patchy light rain with thunder
29° /24° 14.7 mm 6
16 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
25° /23° 46.9 mm 6
17 Sept. Thundery outbreaks possible
Thundery outbreaks possible
34° /24° 0.1 mm 7
18 Sept. Sunny
Sunny
31° /24° 0.9 mm 8
19 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
28° /25° 20.9 mm 6
20 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
28° /25° 17.9 mm 6
21 Sept. Light rain shower
Light rain shower
26° /20° 5.4 mm 6
22 Sept. Light rain shower
Light rain shower
21° /18° 2.2 mm 5
23 Sept. Patchy rain possible
Patchy rain possible
21° /18° 0.7 mm 5
24 Sept. Patchy rain possible
Patchy rain possible
22° /19° 1.2 mm 5
25 Sept. Fog
Fog
27° /21° 1.1 mm 6
26 Sept. Light drizzle
Light drizzle
28° /22° 1.1 mm 6
27 Sept. Fog
Fog
28° /21° 1.5 mm 6
28 Sept. Patchy rain possible
Patchy rain possible
28° /21° 0.4 mm 6
29 Sept. Light drizzle
Light drizzle
29° /22° 1 mm 6
30 Sept. Light rain shower
Light rain shower
29° /22° 1.2 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 30° and lows near 24°, suitable for diverse activities and preferences.
How much rainfall should be expected in Hangzhou during September?
Significant rainfall exceeding 162.1 mm is expected in Hangzhou during September, occurring over more than 20 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 15 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
    • Insect Repellent: For destinations with mosquitos or other insects

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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Location coordinates Where is Hangzhou?

Get accurate weather forecasts for Hangzhou, located at latitude 30.294 and longitude 120.161. Stay updated with localized weather information tailored for Hangzhou.

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