What is the weather like in Cape Town vs Knysna in September?

In September, Cape Town averages 20°C high / 10°C low with about 33 mm of rain; Knysna averages 19°C high / 13°C low with about 61 mm.

Cape Town vs Knysna in September

Cape Town is the better pick in September — 88 vs 79 on SeasonMap's comfort score. Cape Town is nice, a little rain, muggy air, while Knysna is nice, a little rain, clean air.

Cape Town vs Knysna — September climate, side by side

	🇿🇦 Cape Town	🇿🇦 Knysna
Comfort score	88/100 (A)	79/100 (B)
Feels-like high	19°C	18°C
Avg high / low	20° / 10°	19° / 13°
Rainfall	33 mm	61 mm
Rainy days	6	8
Humidity	76%	75%
Air quality (AQI)	59	31

Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.

Month by month

Cape Town vs Knysna in September — FAQ

Is September better in Cape Town or Knysna?: Cape Town is the better pick in September — 88 vs 79 on SeasonMap's comfort score. Cape Town is nice, a little rain, muggy air, while Knysna is nice, a little rain, clean air.
What is the weather like in Cape Town vs Knysna in September?: In September, Cape Town averages 20°C high / 10°C low with about 33 mm of rain; Knysna averages 19°C high / 13°C low with about 61 mm.