Kowloon
September
Weather in Kowloon for September 2025
Your guide to Kowloon weather in September - trends and predictions
Thunderstorms Warning - See hour by hour.
Until now, September 2025 in Kowloon has been nearly identical to the historical average, with a temperature of 29.3 °C (showing only a slight deviation of 0.3 °C).
The forecast for the next days in Kowloon predicts temperatures to be around 29 °C, close to the historical average.
In general, the average temperature in Kowloon at the beginning of September is 29.7 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 28.7 °C by the end of September.
Kowloon experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 477.1 mm.
Official Weather Alert ⚠️
Temperatures
Rain 🌧️
2
Dry days
28
Rainy days
0
Snow days
29°/26°
Temperatures
21 km/h
Avg max wind
80 %
Avg humidity
Kowloon Weather September
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Temperatures trend during September in Kowloon
See the weather trend as well as the moving average line
September weather in Kowloon day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Light rain shower | 30° /25° | 68 mm | 7 | |
| 2 Sept. |  Torrential rain shower | 30° /26° | 54.7 mm | 7 | |
| 3 Sept. |  Moderate or heavy rain shower | 30° /26° | 10.9 mm | 7 | |
| 4 Sept. | Light rain shower | 31° /27° | 2.4 mm | 7 | |
| 5 Sept. | Patchy rain possible | 30° /27° | 4.1 mm | 7 | |
| 6 Sept. | Light rain shower | 28° /25° | 27 mm | 6 | |
| 7 Sept. | Light rain shower | 29° /26° | 23.6 mm | 6 | |
| 8 Sept. | Light rain shower | 27° /25° | 37.2 mm | 6 | |
| 9 Sept. | Light rain shower | 28° /25° | 22.6 mm | 6 | |
| 10 Sept. | Moderate or heavy rain shower | 28° /25° | 31 mm | 6 | |
| 11 Sept. | Patchy rain possible | 28° /26° | 34.7 mm | 6 | |
| 12 Sept. | Patchy rain possible | 29° /25° | 0.1 mm | 6 | |
| 13 Sept. | Patchy rain possible | 29° /26° | 1.4 mm | 7 | |
| 14 Sept. |  Cloudy | 29° /26° | 3.9 mm | 6 | |
| 15 Sept. | Cloudy | 29° /25° | 2.1 mm | 6 | |
| 16 Sept. |  Patchy light drizzle | 29° /26° | 2 mm | 7 | |
| 17 Sept. | Patchy rain possible | 30° /28° | 0.4 mm | 2.6 | |
| 18 Sept. | Patchy rain possible | 30° /28° | 4.1 mm | 2.4 | |
| 19 Sept. |  Moderate rain | 31° /28° | 10.9 mm | 2.2 | |
| 20 Sept. | Moderate rain | 31° /28° | 11.9 mm | 2.6 | |
| 21 Sept. | Heavy rain | 28° /25° | 26.1 mm | 6 | |
| 22 Sept. | Moderate rain | 28° /27° | 5.1 mm | 6 | |
| 23 Sept. |  Sunny | 31° /28° | 0 mm | 7 | |
| 24 Sept. | Heavy rain | 28° /25° | 35.2 mm | 6 | |
| 25 Sept. | Moderate rain | 28° /27° | 6.8 mm | 6 | |
| 26 Sept. | Moderate rain | 28° /27° | 6.2 mm | 6 | |
| 27 Sept. | Patchy rain possible | 29° /27° | 3 mm | 6 | |
| 28 Sept. | Patchy rain possible | 29° /27° | 1 mm | 6 | |
| 29 Sept. |  Thundery outbreaks possible | 29° /27° | 0.1 mm | 6 | |
| 30 Sept. | Patchy rain possible | 30° /26° | 1.6 mm | 7 | |
| Next | |||||
Important Notice
Our weather forecast for Kowloon 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 Kowloon forecast closer to your planned date for the most up-to-date weather information.
Change Month
Kowloon in September - FAQ
What are the expected maximum and minimum temperatures in Kowloon during September?
During September, expect a variety of temperatures with highs around 29° and lows near 26°, suitable for diverse activities and preferences.
How much rainfall should be expected in Kowloon during September?
Significant rainfall exceeding 477.1 mm is expected in Kowloon during September, occurring over more than 28 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Kowloon during September?
The average wind speed in Kowloon during September is 21 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Kowloon
Explore the daily rainfall trends and prepare for Kowloons September weather 💧
UV exposure in Kowloon during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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