Taiwan (Taipei)
September
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.
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16
Dry days
14
Rainy days
0
Snow days
32°/23°
Temperatures
18 km/h
Avg max wind
73 %
Avg humidity
Taiwan in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  34° | 2 35° | 3  31° | 4 30° | 5  33° | 6 31° | 7 29° |
| 8 27° | 9 32° | 10  32° | 11 33° | 12  33° | 13 33° | 14  33° |
| 15 31° | 16  33° | 17 33° | 18 32° | 19 34° | 20 34° | 21 34° |
| 22 30° | 23 29° | 24 30° | 25 31° | 26 30° | 27 31° | 28 30° |
| 29 31° | 30 31° |
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Temperatures trend during September in Taiwan
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. | Light rain shower | 34° /24° | 0.7 mm | 8 | |
| 2 Sept. | Light rain shower | 35° /25° | 2.3 mm | 8 | |
| 3 Sept. | Moderate or heavy rain shower | 31° /24° | 21.6 mm | 7 | |
| 4 Sept. | Moderate or heavy rain shower | 30° /24° | 38.8 mm | 7 | |
| 5 Sept. | Torrential rain shower | 33° /24° | 17.2 mm | 7 | |
| 6 Sept. | Moderate or heavy rain shower | 31° /24° | 8.6 mm | 7 | |
| 7 Sept. | Light rain shower | 29° /23° | 10.7 mm | 7 | |
| 8 Sept. | Moderate or heavy rain shower | 27° /22° | 32.6 mm | 6 | |
| 9 Sept. | Patchy rain possible | 32° /21° | 0.1 mm | 7 | |
| 10 Sept. | Partly cloudy | 32° /22° | 0.5 mm | 8 | |
| 11 Sept. | Partly cloudy | 33° /22° | 0.5 mm | 8 | |
| 12 Sept. | Sunny | 33° /24° | 0 mm | 8 | |
| 13 Sept. | Partly cloudy | 33° /23° | 0 mm | 8 | |
| 14 Sept. | Cloudy | 33° /24° | 3.9 mm | 7 | |
| 15 Sept. | Moderate rain at times | 31° /22° | 2.2 mm | 7 | |
| 16 Sept. | Patchy light drizzle | 33° /23° | 0.2 mm | 8 | |
| 17 Sept. | Light rain shower | 33° /25° | 2.4 mm | 7 | |
| 18 Sept. | Partly cloudy | 32° /23° | 2.8 mm | 8 | |
| 19 Sept. | Patchy rain possible | 34° /24° | 1.3 mm | 8 | |
| 20 Sept. | Light rain shower | 34° /24° | 1.4 mm | 7 | |
| 21 Sept. | Light rain shower | 34° /23° | 0.7 mm | 7 | |
| 22 Sept. | Patchy rain possible | 30° /23° | 3.9 mm | 7 | |
| 23 Sept. | Partly cloudy | 29° /24° | 19.5 mm | 7 | |
| 24 Sept. | Patchy rain possible | 30° /22° | 5.4 mm | 7 | |
| 25 Sept. | Patchy rain possible | 31° /23° | 2.4 mm | 7 | |
| 26 Sept. | Patchy rain possible | 30° /24° | 5.3 mm | 7 | |
| 27 Sept. | Patchy rain possible | 31° /22° | 3.4 mm | 7 | |
| 28 Sept. | Patchy rain possible | 30° /23° | 1.3 mm | 7 | |
| 29 Sept. | Patchy rain possible | 31° /23° | 0.5 mm | 7 | |
| 30 Sept. | 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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