Weather in South Africa in September

The weather in September is marginally warmer than the previous month and temperatures continue to rise slightly into October. The average maximum temperature in South Africa in September is 20°C (67°F). The average maximum temperature is 19°C (65°F) in the previous month and 22°C (71°F) in the next month.

The average temperature in South Africa in September is 15°C (58°F). The average temperature is 14°C (56°F) in the previous month and 17°C (62°F) in the next month.

The average minimum temperature in South Africa in September is 10°C (50°F). The minimum temperature is 9°C (48°F) in the previous month and 12°C (54°F) in the next month.

The days in September are longer than the previous month and the days continue to get slightly longer into October. September has slightly more hours of sunshine than the previous month and hours of sunshine continue to rise into October. During September the average day light hours are 11.9 per day in South Africa. The sunshine percentage is 59.3% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 7.1 hours of sunshine per day.

The ultraviolet index in South Africa in September is typically 7.5 during September. An ultraviolet index reading of 8 to 10 indicates a very high risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 15 minutes. Take extra precautions because unprotected skin and eyes will be damaged and can burn quickly. Tanning will be safest before 10am and after 4pm but only with a good application of sun screen. For those with sensitive skin stay in the shade and wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days. Watch out for relections from water that may increase ultraviolet exposure.