Sai Kung (Tseung Kwan O)
September
Weather in Sai Kung for September 2025
Your guide to Sai Kung weather in September - trends and predictions
In general, the average temperature in Sai Kung at the beginning of September is 29.3 °C. As the month progressed, temperatures tended to slightly decrease, reaching an average of 29.1 °C by the end of September.
Sai Kung experiences an exceptionally high level of rainfall in September, with more than 24 rainy days on average.
Is September a good time to visit Sai Kung? check out the best time to travel to Sai Kung page.
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5
Dry days
25
Rainy days
0
Snow days
28°/26°
Temperatures
23 km/h
Avg max wind
82 %
Avg humidity
Sai Kung in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  29° | 2  30° | 3  30° | 4 31° | 5 30° | 6 27° | 7 28° |
| 8 27° | 9 28° | 10 27° | 11 27° | 12  29° | 13 29° | 14  29° |
| 15 29° | 16  29° | 17 30° | 18  29° | 19 30° | 20 30° | 21 30° |
| 22 29° | 23 27° | 24 27° | 25 29° | 26 29° | 27 30° | 28 29° |
| 29 30° | 30 30° |
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Temperatures trend during September in Sai Kung
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September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Light rain shower | 29° /25° | 101.5 mm | 7 | |
| 2 Sept. | Torrential rain shower | 30° /26° | 81.9 mm | 7 | |
| 3 Sept. | Moderate or heavy rain shower | 30° /26° | 15.8 mm | 7 | |
| 4 Sept. | Light rain shower | 31° /27° | 3.3 mm | 7 | |
| 5 Sept. | Patchy rain possible | 30° /27° | 5 mm | 7 | |
| 6 Sept. | Light rain shower | 27° /25° | 40 mm | 6 | |
| 7 Sept. | Moderate or heavy rain shower | 28° /26° | 23 mm | 6 | |
| 8 Sept. | Light rain shower | 27° /24° | 26 mm | 6 | |
| 9 Sept. | Light rain shower | 28° /25° | 12.4 mm | 6 | |
| 10 Sept. | Moderate or heavy rain shower | 27° /25° | 44.6 mm | 6 | |
| 11 Sept. | Moderate or heavy rain shower | 27° /26° | 51.7 mm | 6 | |
| 12 Sept. | Partly cloudy | 29° /25° | 0.2 mm | 7 | |
| 13 Sept. | Partly cloudy | 29° /26° | 2 mm | 7 | |
| 14 Sept. | Cloudy | 29° /26° | 5.8 mm | 6 | |
| 15 Sept. | Cloudy | 29° /25° | 0.9 mm | 6 | |
| 16 Sept. | Patchy light drizzle | 29° /26° | 2 mm | 7 | |
| 17 Sept. | Patchy light drizzle | 30° /26° | 8.5 mm | 7 | |
| 18 Sept. | Thundery outbreaks possible | 29° /26° | 2.2 mm | 7 | |
| 19 Sept. | Patchy rain possible | 30° /26° | 1.2 mm | 7 | |
| 20 Sept. | Patchy rain possible | 30° /26° | 2.1 mm | 7 | |
| 21 Sept. | Patchy rain possible | 30° /25° | 13.2 mm | 7 | |
| 22 Sept. | Patchy rain possible | 29° /24° | 5.3 mm | 6 | |
| 23 Sept. | Partly cloudy | 27° /23° | 9.1 mm | 6 | |
| 24 Sept. | Patchy rain possible | 27° /24° | 5.8 mm | 6 | |
| 25 Sept. | Patchy rain possible | 29° /25° | 1.7 mm | 6 | |
| 26 Sept. | Patchy rain possible | 29° /26° | 0.5 mm | 6 | |
| 27 Sept. | Patchy rain possible | 30° /26° | 2.4 mm | 7 | |
| 28 Sept. | Patchy rain possible | 29° /27° | 6.2 mm | 6 | |
| 29 Sept. | Patchy rain possible | 30° /26° | 1.2 mm | 7 | |
| 30 Sept. | Patchy rain possible | 30° /26° | 1.6 mm | 7 | |
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Important Notice
Our weather forecast for Sai Kung 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 Sai Kung forecast closer to your planned date for the most up-to-date weather information.
Sai Kung in September - FAQ
What are the expected maximum and minimum temperatures in Sai Kung during September?
During September, expect a variety of temperatures with highs around 28° and lows near 26°, suitable for diverse activities and preferences.
How much rainfall should be expected in Sai Kung during September?
Significant rainfall exceeding 718.3 mm is expected in Sai Kung during September, occurring over more than 25 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Sai Kung during September?
The average wind speed in Sai Kung during September is 23 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Sai Kung in September?
As you prepare for your trip to Sai Kung 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 Sai Kung, 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 Sai Kung
Explore the daily rainfall trends and prepare for Sai Kungs September weather 💧
UV exposure in Sai Kung during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Where is Sai Kung?Get accurate weather forecasts for Sai Kung, located at latitude 22.328 and longitude 114.25. Stay updated with localized weather information tailored for Sai Kung.
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