Taipei (Jiufen)
September
Weather in Taipei for September 2025
Your guide to Taipei weather in September - trends and predictions
In general, the average temperature in Taipei at the beginning of September is 29 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 27.6 °C by the end of September.
Expect significant rainfall in Taipei during September, with an average of 18 rainy days.
Is September a good time to visit Taipei? check out the best time to travel to Taipei page.
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12
Dry days
18
Rainy days
0
Snow days
28°/24°
Temperatures
18 km/h
Avg max wind
81 %
Avg humidity
Taipei in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  30° | 2  30° | 3 29° | 4  28° | 5 29° | 6 29° | 7 28° |
| 8 27° | 9 28° | 10 28° | 11 29° | 12 28° | 13 29° | 14  28° |
| 15  29° | 16 29° | 17  29° | 18 29° | 19 28° | 20 29° | 21 28° |
| 22 28° | 23 27° | 24 27° | 25 28° | 26 28° | 27 28° | 28 27° |
| 29 27° | 30 28° |
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Temperatures trend during September in Taipei
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. | Patchy rain possible | 30° /26° | 0 mm | 7 | |
| 2 Sept. | Sunny | 30° /25° | 0 mm | 8 | |
| 3 Sept. | Patchy rain possible | 29° /27° | 0.1 mm | 6 | |
| 4 Sept. | Moderate or heavy rain shower | 28° /26° | 51.2 mm | 6 | |
| 5 Sept. | Moderate or heavy rain shower | 29° /25° | 12.6 mm | 6 | |
| 6 Sept. | Moderate or heavy rain shower | 29° /25° | 12.8 mm | 7 | |
| 7 Sept. | Moderate or heavy rain shower | 28° /25° | 11.9 mm | 6 | |
| 8 Sept. | Moderate or heavy rain shower | 27° /23° | 13.8 mm | 6 | |
| 9 Sept. | Patchy rain possible | 28° /24° | 3 mm | 6 | |
| 10 Sept. | Sunny | 28° /24° | 1 mm | 7 | |
| 11 Sept. | Sunny | 29° /24° | 0.1 mm | 7 | |
| 12 Sept. | Sunny | 28° /24° | 1.5 mm | 7 | |
| 13 Sept. | Sunny | 29° /24° | 3 mm | 7 | |
| 14 Sept. | Partly cloudy | 28° /25° | 5.7 mm | 7 | |
| 15 Sept. | Cloudy | 29° /24° | 0.9 mm | 6 | |
| 16 Sept. | Patchy rain possible | 29° /25° | 1.3 mm | 6 | |
| 17 Sept. | Patchy light drizzle | 29° /25° | 3.1 mm | 6 | |
| 18 Sept. | Sunny | 29° /25° | 24.4 mm | 7 | |
| 19 Sept. | Sunny | 28° /24° | 3.4 mm | 7 | |
| 20 Sept. | Partly cloudy | 29° /25° | 0.1 mm | 7 | |
| 21 Sept. | Patchy rain possible | 28° /24° | 5.8 mm | 6 | |
| 22 Sept. | Patchy rain possible | 28° /24° | 9.1 mm | 6 | |
| 23 Sept. | Patchy rain possible | 27° /24° | 15.5 mm | 6 | |
| 24 Sept. | Patchy rain possible | 27° /24° | 6.4 mm | 6 | |
| 25 Sept. | Patchy rain possible | 28° /24° | 3.1 mm | 6 | |
| 26 Sept. | Patchy rain possible | 28° /25° | 8.6 mm | 6 | |
| 27 Sept. | Patchy rain possible | 28° /25° | 11 mm | 6 | |
| 28 Sept. | Patchy rain possible | 27° /24° | 13 mm | 6 | |
| 29 Sept. | Light rain shower | 27° /25° | 13 mm | 6 | |
| 30 Sept. | Patchy light drizzle | 28° /25° | 7.9 mm | 6 | |
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Important Notice
Our weather forecast for Taipei 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 Taipei forecast closer to your planned date for the most up-to-date weather information.
Taipei in September - FAQ
What are the expected maximum and minimum temperatures in Taipei during September?
During September, expect a variety of temperatures with highs around 28° and lows near 24°, suitable for diverse activities and preferences.
How much rainfall should be expected in Taipei during September?
Significant rainfall exceeding 241.2 mm is expected in Taipei during September, occurring over more than 18 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Taipei during September?
The average wind speed in Taipei during September is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Taipei in September?
As you prepare for your trip to Taipei 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 Taipei, 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
- 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 Taipei
Explore the daily rainfall trends and prepare for Taipeis September weather 💧
UV exposure in Taipei during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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