Cape Town vs Buenos Aires

Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Cape Town edges ahead as the better destination in September. Cape Town offers 10 hours of daily sunshine with only 7 rain days, while Buenos Aires sees 9 sunshine hours and 7 rain days.

Cape Town sits in the comfortable travel range at 18°C. Buenos Aires is also comfortable at 17°C.

For travelers who prioritize dry weather, both cities are equally dry in September. Cape Town receives 1 more hour of sunshine per day, which matters for sightseeing and outdoor activities.

Cape Town reaches an average high of 18°C (64°F) and drops to 11°C (52°F) at night during September. The daily temperature range is 7°C, meaning relatively stable temperatures from day to night.

Buenos Aires averages 17°C (63°F) for the high and 11°C (52°F) for the low, with a daily range of 6°C. The two cities feel quite similar in terms of temperature.

Both cities are in the Southern Hemisphere, so they share the same seasonal pattern in September.

Cape Town receives approximately 44 mm of rainfall across 7 rain days during September. Rain is occasional, so a light rain jacket should suffice.

Buenos Aires sees 79 mm over 7 rain days. Both cities are equally rainy this month.

Both cities share similar humidity levels at 70%.