What is the weather like in Johannesburg vs Knysna in September?

In September, Johannesburg averages 27°C high / 9°C low with about 13 mm of rain; Knysna averages 19°C high / 13°C low with about 61 mm.

Johannesburg vs Knysna in September

Johannesburg is the better pick in September — 90 vs 79 on SeasonMap's comfort score. Johannesburg is warm, dry, while Knysna is nice, a little rain, clean air.

Johannesburg vs Knysna — September climate, side by side

	Johannesburg	Knysna
Comfort score	90/100 (S)	79/100 (B)
Feels-like high	24°C	18°C
Avg high / low	27° / 9°	19° / 13°
Rainfall	13 mm	61 mm
Rainy days	4	8
Humidity	39%	75%
Air quality (AQI)	68	31

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

Johannesburg vs Knysna in September — FAQ

Is September better in Johannesburg or Knysna?: Johannesburg is the better pick in September — 90 vs 79 on SeasonMap's comfort score. Johannesburg is warm, dry, while Knysna is nice, a little rain, clean air.
What is the weather like in Johannesburg vs Knysna in September?: In September, Johannesburg averages 27°C high / 9°C low with about 13 mm of rain; Knysna averages 19°C high / 13°C low with about 61 mm.