Cape Town Weather in September: Climate, Temperature & Travel Tips
Avg 14.4°C · 50mm rain — September is spring in Cape Town.
- Avg high
- 18.0 °C
- Avg low
- 11.1 °C
- Avg
- 14.4 °C
- Precipitation
- 50 mm
Source: Open-Meteo Archive 2014–2023 · 10-year climate normals
Climate Overview
September in Cape Town, South Africa brings spring conditions: average temperature 14.4°C, average high 18.0°C, average low 11.1°C. Monthly rainfall averages 50mm, making it a drier time of year.
Conditions are pleasant for most travel activities.
What to Pack
- Light jacket or fleece, long-sleeve shirts
- Closed shoes; layers for changing conditions
Best Things to Do
- Walking tours and city exploration
- Parks and outdoor cafes
- Seasonal food and night markets (where applicable)
Pros and Cons of Visiting in September
Pros:
- Low rainfall — minimal disruption to outdoor plans
- Shoulder season often means smaller crowds and lower prices
Cons:
- No major weather drawbacks for typical activities
Climate source: Open-Meteo Archive (2014–2023).
Colour = avg temperature · blue = cool · orange = warm
- 1 January 21.2°C
- 2 February 21.1°C
- 3 December 19.7°C
- 1 July 12.9°C
- 2 August 13.2°C
- 3 June 13.7°C
FAQ
01 What is the average temperature in Cape Town in September? +
The average is 14.4°C, with a high of 18°C and a low of 11°C.
02 What is Cape Town like to visit in September? +
It is spring in Cape Town, which is cool — bring warm clothes.
03 Does it rain often in Cape Town during September? +
Average rainfall is 50mm, which is low.
04 What should I pack for Cape Town in September? +
Light jacket or fleece, long-sleeve shirts; Closed shoes; layers for changing conditions.
05 Is September a peak travel season for Cape Town? +
It is closer to off-season, with more reasonable prices and fewer crowds.
06 Where does this climate data come from? +
Monthly averages computed from Open-Meteo Archive 2014–2023 daily observations.
- Sources
- Open-Meteo Archive 2014-2023
- Updated
- 2026-04-17