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Weather in Taipei for September 2025

Your guide to Taipei weather in September - trends and predictions

    Temperatures

  • Until now, September 2025 in Taipei has been nearly identical to the historical average, with a temperature of 29.4 °C (showing only a slight deviation of 0.4 °C).

  • The forecast for the next days in Taipei predicts temperatures to be around 28 °C, close to the historical average.

  • In general, the average temperature in Taipei at the beginning of September is 29.1 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 28.3 °C by the end of September.

    • Rain 🌧️

  • Taipei experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 243.4 mm.

Average dry days
6
Dry days
Average rainy days
24
Rainy days
Average snowy days
0
Snow days
Average temperatures
28°/25°
Temperatures
Average wind speed
20 km/h
Avg max wind
Average humidity
81 %
Avg humidity

Taipei Weather September

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

Temperatures trend during September in Taipei

See the weather trend as well as the moving average line

September weather in Taipei day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Patchy rain possible
Patchy rain possible
 30° /25° 0.2 mm 7
2 Sept. Sunny
Sunny
 30° /25° 0.2 mm 8
3 Sept. Patchy rain possible
Patchy rain possible
 29° /26° 2.6 mm 6
4 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 29° /26° 34.8 mm 6
5 Sept. Patchy rain possible
Patchy rain possible
 29° /25° 8.4 mm 6
6 Sept. Thundery outbreaks possible
Thundery outbreaks possible
 29° /26° 8.6 mm 7
7 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 28° /25° 8.9 mm 6
8 Sept. Patchy rain possible
Patchy rain possible
 28° /24° 11.7 mm 6
9 Sept. Patchy rain possible
Patchy rain possible
 29° /24° 3 mm 6
10 Sept. Sunny
Sunny
 28° /24° 1 mm 6
11 Sept. Patchy rain possible
Patchy rain possible
 29° /24° 0.3 mm 7
12 Sept. Sunny
Sunny
 29° /25° 1.4 mm 7
13 Sept. Sunny
Sunny
 29° /24° 2.6 mm 6
14 Sept. Partly cloudy
Partly cloudy
 29° /25° 3.9 mm 6
15 Sept. Patchy rain possible
Patchy rain possible
 29° /24° 0.7 mm 6
16 Sept. Patchy rain possible
Patchy rain possible
 30° /28° 0.1 mm 2.5
17 Sept. Partly cloudy
Partly cloudy
 30° /27° 0.1 mm 2.5
18 Sept. Patchy rain possible
Patchy rain possible
 29° /27° 1.1 mm 2.5
19 Sept. Patchy rain possible
Patchy rain possible
 29° /26° 3.5 mm 1.8
20 Sept. Moderate rain
Moderate rain
 27° /26° 10 mm 1.9
21 Sept. Moderate rain
Moderate rain
 28° /26° 9.5 mm 6
22 Sept. Moderate rain
Moderate rain
 28° /27° 9.2 mm 6
23 Sept. Moderate rain
Moderate rain
 27° /26° 11.1 mm 6
24 Sept. Moderate rain
Moderate rain
 27° /27° 7.4 mm 6
25 Sept. Patchy rain possible
Patchy rain possible
 28° /27° 3.7 mm 6
26 Sept. Moderate rain
Moderate rain
 29° /26° 5.5 mm 6
27 Sept. Patchy rain possible
Patchy rain possible
 29° /27° 1.1 mm 6
28 Sept. Moderate rain
Moderate rain
 29° /27° 6.1 mm 6
29 Sept. Moderate rain
Moderate rain
 28° /26° 10.7 mm 6
30 Sept. Patchy light drizzle
Patchy light drizzle
 28° /25° 7.9 mm 6
Next
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.
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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 25°, suitable for diverse activities and preferences.
How much rainfall should be expected in Taipei during September?
Significant rainfall exceeding 243.4 mm is expected in Taipei during September, occurring over more than 24 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 20 km/h, suggesting breezy to windy conditions, depending on your activities.

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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Get accurate weather forecasts for Taipei, located at latitude 25.11 and longitude 121.844. Stay updated with localized weather information tailored for Taipei.

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