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Weather in Taiwan for September 2025

Your guide to Taiwan weather in September - trends and predictions
  • In general, the average temperature in Taiwan at the beginning of September is 31.9 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 30.6 °C by the end of September.

  • The climate of Taiwan in September is notably wet, with an average of 14 rainy days.

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

  • New! Chat with our AI weatherman - it’s amazing and free.
Average dry days
16
Dry days
Average rainy days
14
Rainy days
Average snowy days
0
Snow days
Average temperatures
32°/23°
Temperatures
Average wind speed
18 km/h
Avg max wind
Average humidity
73 %
Avg humidity

Taiwan in September average weather

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Temperatures trend during September in Taiwan

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. Light rain shower
Light rain shower
34° /24° 0.7 mm 8
2 Sept. Light rain shower
Light rain shower
35° /25° 2.3 mm 8
3 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
31° /24° 21.6 mm 7
4 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
30° /24° 38.8 mm 7
5 Sept. Torrential rain shower
Torrential rain shower
33° /24° 17.2 mm 7
6 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
31° /24° 8.6 mm 7
7 Sept. Light rain shower
Light rain shower
29° /23° 10.7 mm 7
8 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
27° /22° 32.6 mm 6
9 Sept. Patchy rain possible
Patchy rain possible
32° /21° 0.1 mm 7
10 Sept. Partly cloudy
Partly cloudy
32° /22° 0.5 mm 8
11 Sept. Partly cloudy
Partly cloudy
33° /22° 0.5 mm 8
12 Sept. Sunny
Sunny
33° /24° 0 mm 8
13 Sept. Partly cloudy
Partly cloudy
33° /23° 0 mm 8
14 Sept. Cloudy
Cloudy
33° /24° 3.9 mm 7
15 Sept. Moderate rain at times
Moderate rain at times
31° /22° 2.2 mm 7
16 Sept. Patchy light drizzle
Patchy light drizzle
33° /23° 0.2 mm 8
17 Sept. Light rain shower
Light rain shower
33° /25° 2.4 mm 7
18 Sept. Partly cloudy
Partly cloudy
32° /23° 2.8 mm 8
19 Sept. Patchy rain possible
Patchy rain possible
34° /24° 1.3 mm 8
20 Sept. Light rain shower
Light rain shower
34° /24° 1.4 mm 7
21 Sept. Light rain shower
Light rain shower
34° /23° 0.7 mm 7
22 Sept. Patchy rain possible
Patchy rain possible
30° /23° 3.9 mm 7
23 Sept. Partly cloudy
Partly cloudy
29° /24° 19.5 mm 7
24 Sept. Patchy rain possible
Patchy rain possible
30° /22° 5.4 mm 7
25 Sept. Patchy rain possible
Patchy rain possible
31° /23° 2.4 mm 7
26 Sept. Patchy rain possible
Patchy rain possible
30° /24° 5.3 mm 7
27 Sept. Patchy rain possible
Patchy rain possible
31° /22° 3.4 mm 7
28 Sept. Patchy rain possible
Patchy rain possible
30° /23° 1.3 mm 7
29 Sept. Patchy rain possible
Patchy rain possible
31° /23° 0.5 mm 7
30 Sept. Patchy rain possible
Patchy rain possible
31° /23° 0.2 mm 7
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Important Notice
Our weather forecast for Taiwan 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 Taiwan forecast closer to your planned date for the most up-to-date weather information.

Taiwan in September - FAQ

What are the expected maximum and minimum temperatures in Taiwan during September?
During September, expect a variety of temperatures with highs around 32° and lows near 23°, suitable for diverse activities and preferences.
How much rainfall should be expected in Taiwan during September?
Significant rainfall exceeding 260.5 mm is expected in Taiwan during September, occurring over more than 14 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Taiwan during September?
The average wind speed in Taiwan during September is 18 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Taiwan in September?

As you prepare for your trip to Taiwan 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 Taiwan, 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 Taiwan

Explore the daily rainfall trends and prepare for Taiwans September weather 💧

UV exposure in Taiwan during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Location coordinates Where is Taiwan?

Get accurate weather forecasts for Taiwan, located at latitude 25.048 and longitude 121.532. Stay updated with localized weather information tailored for Taiwan.

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