Warm with high UV – Heritage Day weather forecast

Good morning, Joburg Etc family. Here is your weather forecast for Heritage Day, Thursday, 24 September 2026.

Today’s weather in Johannesburg will be warm with hazy sunshine, with a high of 27°C and a low of 14°C.

The UV index will reach as high as 9, so sunscreen is a must, while cloud cover will be around 43% during the day.

A southeasterly wind will move through Johannesburg at around 9kph, with gusts reaching up to 26kph.

This evening, conditions will turn partly cloudy, with winds shifting to the north-easterly at around 9kph and gusts reaching up to 26kph. Cloud cover will increase to around 68% overnight.

There is a 25% chance of precipitation during the day, along with a 6% chance of thunderstorms, though no rain is expected. The chance of precipitation will decrease to 15% overnight, with a 4% chance of thunderstorms.

You can catch the sunrise at 05:56 and the sunset at 18:05, giving Johannesburg around 12 hours and 9 minutes of daylight.

Wishing you a happy and safe Heritage Day.