City of Cape Town (Cape Town)
September
Weather in City of Cape Town for September 2027
Your guide to City of Cape Town weather in September - trends and predictions
In general, the average temperature in City of Cape Town at the beginning of September is 17.4 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 20.1 °C by the end of September.
City of Cape Town experiences moderate rainfall in September, with an average of 6 rainy days and a total precipitation of 51.8 mm.
Is September a good time to visit City of Cape Town? check out the best time to travel to City of Cape Town page.
✨ Is September a good time to visit City of Cape Town? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
24
Dry days
6
Rainy days
0
Snow days
19°/11°
Temperatures
20 km/h
Avg max wind
69 %
Avg humidity
City of Cape Town Weather September
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Temperatures trend during September in City of Cape Town
See the weather trend as well as the moving average line
September weather in City of Cape Town day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Overcast | 18° /10° | 0.1 mm | 5 | |
| 2 Sept. |  Patchy rain possible | 19° /11° | 1.4 mm | 5 | |
| 3 Sept. | Patchy rain possible | 17° /10° | 1.3 mm | 5 | |
| 4 Sept. |  Light rain | 17° /10° | 2.6 mm | 5 | |
| 5 Sept. | Light rain | 16° /10° | 5.1 mm | 4 | |
| 6 Sept. |  Sunny | 17° /10° | 0 mm | 5 | |
| 7 Sept. | Sunny | 19° /10° | 0 mm | 6 | |
| 8 Sept. |  Partly cloudy | 20° /11° | 0.1 mm | 5 | |
| 9 Sept. | Sunny | 21° /11° | 0.1 mm | 6 | |
| 10 Sept. | Light rain | 19° /11° | 3.7 mm | 5 | |
| 11 Sept. | Light rain | 18° /11° | 3.4 mm | 5 | |
| 12 Sept. | Patchy rain possible | 17° /11° | 1.3 mm | 5 | |
| 13 Sept. | Patchy rain possible | 20° /10° | 1.1 mm | 5 | |
| 14 Sept. | Patchy rain possible | 18° /11° | 1.3 mm | 5 | |
| 15 Sept. | Light rain | 17° /11° | 2.5 mm | 4 | |
| 16 Sept. | Light rain | 16° /11° | 2.7 mm | 5 | |
| 17 Sept. | Partly cloudy | 17° /10° | 0 mm | 6 | |
| 18 Sept. | Partly cloudy | 18° /10° | 0.6 mm | 5 | |
| 19 Sept. | Patchy rain possible | 18° /10° | 0.5 mm | 5 | |
| 20 Sept. | Sunny | 20° /11° | 0.3 mm | 6 | |
| 21 Sept. | Sunny | 21° /11° | 0.7 mm | 6 | |
| 22 Sept. | Patchy rain possible | 22° /12° | 0.9 mm | 5 | |
| 23 Sept. | Patchy rain possible | 19° /13° | 0.2 mm | 5 | |
| 24 Sept. | Light rain | 19° /12° | 7.3 mm | 5 | |
| 25 Sept. | Light rain | 20° /12° | 8.7 mm | 5 | |
| 26 Sept. | Patchy rain possible | 20° /12° | 0.4 mm | 5 | |
| 27 Sept. | Sunny | 20° /12° | 0 mm | 6 | |
| 28 Sept. | Patchy rain possible | 20° /11° | 1.5 mm | 6 | |
| 29 Sept. | Patchy rain possible | 21° /12° | 1.1 mm | 6 | |
| 30 Sept. | Light rain | 22° /12° | 3 mm | 6 | |
| Next | |||||
Important Notice
Our weather forecast for City of Cape Town 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 City of Cape Town forecast closer to your planned date for the most up-to-date weather information.
Change Month
City of Cape Town in September - FAQ
What are the expected maximum and minimum temperatures in City of Cape Town during September?
Enjoy moderate daytime temperatures of up to 19° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in City of Cape Town during September?
Moderate rainfall is anticipated in City of Cape Town during September, with a total of 51.8 mm spread over approximately 6 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in City of Cape Town during September?
The average wind speed in City of Cape Town during September is 20 km/h, suggesting breezy to windy conditions, depending on your activities.
City of Cape Town water temperatures in September
The average water temperature of the Atlantic Ocean near City of Cape Town in September is 12.7 °C. At the beginning of September temperatures are around 12.7 °C; by the end of the month they stay fairly steady and reach 12.7 °C.
- What is the water temperature in City of Cape Town in September?
- The average water temperature in City of Cape Town in September is 12.7 °C.
- Can you swim in City of Cape Town in September?
- Cold enough that you lose heat fast. A full 4–5 mm wetsuit (plus hood/gloves for comfort) is advisable for anything beyond a brief plunge.
September rainfall patterns in City of Cape Town
Explore the daily rainfall trends and prepare for City of Cape Towns September weather 💧
Typically, City of Cape Town has 6 rainy days in September with a total of 51.8 mm of rainfall.
UV exposure in City of Cape Town during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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