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Weather in Shanghai Municipality for September 2025

Your guide to Shanghai Municipality weather in September - trends and predictions

    Official Weather Alert ⚠️

  • Rainstorm Warning - See hour by hour.

    • Temperatures

  • So far, September 2025 in Shanghai Municipality shows a warmer trend than usual by 2.4 °C.

  • Expect cooler weather in the next days in Shanghai Municipality with the forecast suggesting a temperature of 28.4 °C, lower than the historical average.

  • In general, the average temperature in Shanghai Municipality at the beginning of September is 31.9 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 28.1 °C by the end of September.

    • Rain 🌧️

  • Shanghai Municipality experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 193.9 mm.

    • More

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

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
9
Dry days
Average rainy days
21
Rainy days
Average snowy days
0
Snow days
Average temperatures
29°/23°
Temperatures
Average wind speed
17 km/h
Avg max wind
Average humidity
76 %
Avg humidity

Shanghai Municipality Weather September

Move between months or click on a day
August
October
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Partly cloudy
33°
2
Light rain shower
31°
3
Patchy rain possible
30°
4
Moderate or heavy rain shower
32°
5
Patchy rain possible
31°
6
Moderate or heavy rain shower
33°
7
Partly cloudy
33°
8
Patchy rain possible
32°
9
Moderate or heavy rain shower
31°
10
Light rain shower
30°
11
Moderate or heavy rain shower
30°
12
Patchy rain possible
30°
13
Moderate or heavy rain shower
28°
14
Moderate or heavy rain shower
28°
15
Moderate or heavy rain shower
28°
16
Overcast
27°
17
Weather Alert Patchy rain possible
35°
18
Weather Alert Patchy rain possible
28°
19
Cloudy
29°
20
Patchy rain possible
25°
21
Partly cloudy
28°
22
Patchy rain possible
29°
23
Patchy rain possible
27°
24
Patchy rain possible
26°
25
Patchy rain possible
28°
26
Partly cloudy
29°
27
Patchy rain possible
30°
28
Partly cloudy
30°
29
Sunny
28°
30
Partly cloudy
26°

Temperatures trend during September in Shanghai Municipality

See the weather trend as well as the moving average line

September weather in Shanghai Municipality day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Partly cloudy
Partly cloudy
 33° /24° 2.2 mm 8
2 Sept. Light rain shower
Light rain shower
 31° /24° 5.2 mm 7
3 Sept. Patchy rain possible
Patchy rain possible
 30° /24° 8 mm 6
4 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 32° /24° 3.4 mm 7
5 Sept. Patchy rain possible
Patchy rain possible
 31° /24° 2.2 mm 7
6 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 33° /24° 1.7 mm 8
7 Sept. Partly cloudy
Partly cloudy
 33° /24° 1 mm 7
8 Sept. Patchy rain possible
Patchy rain possible
 32° /24° 1.1 mm 7
9 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 31° /23° 7.3 mm 7
10 Sept. Light rain shower
Light rain shower
 30° /23° 5.6 mm 7
11 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 30° /23° 12.5 mm 7
12 Sept. Patchy rain possible
Patchy rain possible
 30° /24° 24.6 mm 6
13 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 28° /23° 22 mm 6
14 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 28° /23° 20.6 mm 6
15 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 28° /23° 7.2 mm 6
16 Sept. Overcast
Overcast
 27° /22° 25.7 mm 6
17 Sept. Patchy rain possible
Patchy rain possible
 35° /27° 0.7 mm 1.6
18 Sept. Patchy rain possible
Patchy rain possible
 28° /24° 2.1 mm 0.9
19 Sept. Cloudy
Cloudy
 29° /24° 0 mm 1.1
20 Sept. Patchy rain possible
Patchy rain possible
 25° /23° 0.6 mm 1.3
21 Sept. Partly cloudy
Partly cloudy
 28° /23° 0 mm 7
22 Sept. Patchy rain possible
Patchy rain possible
 29° /23° 0.5 mm 6
23 Sept. Patchy rain possible
Patchy rain possible
 27° /25° 2.7 mm 6
24 Sept. Patchy rain possible
Patchy rain possible
 26° /24° 2 mm 5
25 Sept. Patchy rain possible
Patchy rain possible
 28° /24° 0.1 mm 6
26 Sept. Partly cloudy
Partly cloudy
 29° /23° 0 mm 7
27 Sept. Patchy rain possible
Patchy rain possible
 30° /24° 0 mm 6
28 Sept. Partly cloudy
Partly cloudy
 30° /24° 0 mm 7
29 Sept. Sunny
Sunny
 28° /22° 0 mm 6
30 Sept. Partly cloudy
Partly cloudy
 26° /21° 0.1 mm 6
Next
Important Notice
Our weather forecast for Shanghai Municipality 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 Municipality forecast closer to your planned date for the most up-to-date weather information.
Change Month
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Shanghai Municipality weather in September vs August vs October

Compare September weather in Shanghai Municipality with the previous and following months. See how temperature, rainfall, wind, and other conditions change throughout the year to help you plan your visit.
AugustSeptemberOctober
WeatherPatchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Temperatures33°/26°29°/23°23°/17°
Rainfall132 mm194 mm49 mm
Wind14.9 km/h17.1 km/h16.3 km/h
Humidity73%76%66%
Rainy days23 days21 days13 days
Dry days8 days9 days18 days

Planning a trip to Shanghai Municipality? Discover the best time to visit

Shanghai Municipality in September - FAQ

What are the expected maximum and minimum temperatures in Shanghai Municipality 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 Municipality during September?
Significant rainfall exceeding 193.9 mm is expected in Shanghai Municipality 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 Municipality during September?
The average wind speed in Shanghai Municipality during September is 17 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Shanghai Municipality in September?

As you prepare for your trip to Shanghai Municipality 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 Municipality, 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 Municipality

Explore the daily rainfall trends and prepare for Shanghai Municipalitys September weather 💧

UV exposure in Shanghai Municipality during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Get accurate weather forecasts for Shanghai Municipality, located at latitude 31.222 and longitude 121.458. Stay updated with localized weather information tailored for Shanghai Municipality.

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