South Africa climate by month
8-year averages · when to visit| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cape Town | 26° | 26° | 24° | 22° | 20° | 18° | 17° | 16° | 18° | 22° | 23° | 24° |
| Johannesburg | 26° | 25° | 24° | 21° | 20° | 17° | 17° | 21° | 25° | 26° | 25° | 25° |
| Pietermaritzburg | 28° | 28° | 28° | 25° | 24° | 22° | 22° | 23° | 25° | 25° | 26° | 27° |
| Evaton | 26° | 26° | 25° | 23° | 21° | 18° | 18° | 22° | 26° | 27° | 27° | 27° |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cape Town | 4 | 3 | 5 | 5 | 8 | 12 | 11 | 12 | 8 | 6 | 5 | 6 |
| Johannesburg | 14 | 15 | 10 | 8 | 2 | 2 | 0 | 1 | 3 | 7 | 13 | 17 |
| Pietermaritzburg | 16 | 16 | 14 | 12 | 5 | 3 | 3 | 6 | 9 | 12 | 14 | 19 |
| Evaton | 12 | 14 | 9 | 8 | 2 | 2 | 0 | 2 | 3 | 8 | 13 | 16 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cape Town | 14° | 15° | 15° | 14° | 14° | 14° | 14° | 14° | 14° | 14° | 13° | 14° |
Figures are averaged over 8 years of ERA5 reanalysis; sea temps come from ocean reanalysis, and UV is derived from solar elevation.
Cape Town climate in September
8-year averages · when to visitBest months: January–April, September–December · September: Good
| August | September | October | |
|---|---|---|---|
| Average temperature | ▲ 13°C | 14°C | ▲ 17°C |
| Typical high | ▲ 16°C | 18°C | ▲ 22°C |
| Typical low | ▲ 10°C | 11°C | ▲ 13°C |
| Water temperature | ▼ 14.2°C | 14.0°C | ▲ 14.1°C |
| Precipitation | ▼ 93 mm | 52 mm | ▼ 38 mm |
| Wet days | ▼ 12 d | 8 d | ▼ 6 d |
| Humidity | ▼ 81% | 75% | ▼ 70% |
| Sunshine per day | ▲ 8.9 h | 10.0 h | ▲ 11.8 h |
| Cloud cover | ▼ 18% | 16% | ▼ 9% |
| Midday UV | ▲ 6 | 8 | ▲ 10 |
| Daylight | 10:54 | 11:54 | 12:57 |
| Our take | Acceptable | Good | Good |
September temperatures day by day daily mean + smoothed trend · °C
September precipitation day by day mm
September UV day by day clear-sky midday value
Figures are averaged over 8 years of ERA5 reanalysis; sea temps come from ocean reanalysis, and UV is derived from solar elevation.
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Updated: 10:32 PM
South Africa · 12 weather points · Climate reference: Cape Town (33.93°S, 18.42°E) · Africa/Johannesburg