Cloudy with a chance of storms: Joburg’s Sunday weather forecast

Good morning, Joburg Etc family. Here is your weather forecast for Sunday, 6 September 2026.

Today’s weather in Johannesburg features cooler, cloudier conditions with a high of 17°C and a low of 10°C. Expect considerable cloud cover with a couple of afternoon thunderstorms.

The UV index will reach a high level of 6. The AccuLumen Brightness Index™ is rated at 3, meaning it will be a dull day.

Expect around 85% cloud cover during the day, with overcast skies continuing into the night with 98% cloud cover.

A north-north-easterly wind will move through Joburg at around 19kph, with gusts reaching up to 48kph.

This evening, conditions remain overcast with showers and a thunderstorm early on, with winds easing to around 13kph, and gusts reaching 37kph.

There is a 90% chance of precipitation during the day and a 96% chance this evening, so don’t forget your umbrella. Expect around 0.64in of rain during the day and 0.48in overnight, with roughly 3 hours of rain during the day and 4.5 hours overnight.

You can catch the sunrise at 6:16am and the sunset at 5:57pm.

Wishing you a wonderful (if wet) Sunday. Keep an umbrella handy if you’re out and about!