Johannesburg South
September
Weather in Johannesburg South for September 2025
Your guide to Johannesburg South weather in September - trends and predictions
In general, the average temperature in Johannesburg South at the beginning of September is 24.3 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 27.6 °C by the end of September.
With an average of 5 rainy days, Johannesburg South experiences minimal rainfall in September.
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Temperatures
Rain 🌧️
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25
Dry days
5
Rainy days
0
Snow days
25°/14°
Temperatures
22 km/h
Avg max wind
33 %
Avg humidity
Johannesburg South in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  23° | 2 24° | 3 25° | 4 24° | 5 24° | 6 26° | 7 24° |
| 8 26° | 9  27° | 10  21° | 11 24° | 12 28° | 13 29° | 14 30° |
| 15 30° | 16  27° | 17 28° | 18 28° | 19 28° | 20 17° | 21  8° |
| 22  18° | 23 21° | 24 24° | 25 28° | 26 29° | 27 30° | 28 30° |
| 29 30° | 30 22° |
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Temperatures trend during September in Johannesburg South
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Sunny | 23° /9° | 0 mm | 7 | |
| 2 Sept. | Sunny | 24° /13° | 0 mm | 7 | |
| 3 Sept. | Sunny | 25° /13° | 0 mm | 8 | |
| 4 Sept. | Sunny | 24° /13° | 0 mm | 7 | |
| 5 Sept. | Sunny | 24° /14° | 0 mm | 7 | |
| 6 Sept. | Sunny | 26° /15° | 0 mm | 8 | |
| 7 Sept. | Sunny | 24° /13° | 0 mm | 7 | |
| 8 Sept. | Sunny | 26° /15° | 0 mm | 8 | |
| 9 Sept. | Overcast | 27° /12° | 0 mm | 7 | |
| 10 Sept. | Partly cloudy | 21° /10° | 0 mm | 7 | |
| 11 Sept. | Sunny | 24° /10° | 0 mm | 7 | |
| 12 Sept. | Sunny | 28° /15° | 0 mm | 8 | |
| 13 Sept. | Sunny | 29° /17° | 0 mm | 8 | |
| 14 Sept. | Sunny | 30° /19° | 0 mm | 9 | |
| 15 Sept. | Partly cloudy | 30° /18° | 0 mm | 9 | |
| 16 Sept. | Patchy rain possible | 27° /17° | 0.2 mm | 7 | |
| 17 Sept. | Patchy rain possible | 28° /16° | 0.4 mm | 7 | |
| 18 Sept. | Sunny | 28° /17° | 0 mm | 8 | |
| 19 Sept. | Sunny | 28° /16° | 0 mm | 8 | |
| 20 Sept. | Patchy rain possible | 17° /7° | 1.7 mm | 5 | |
| 21 Sept. | Light drizzle | 8° /7° | 1.5 mm | 3 | |
| 22 Sept. | Cloudy | 18° /6° | 0 mm | 5 | |
| 23 Sept. | Sunny | 21° /8° | 0 mm | 7 | |
| 24 Sept. | Partly cloudy | 24° /11° | 0 mm | 7 | |
| 25 Sept. | Sunny | 28° /16° | 0 mm | 8 | |
| 26 Sept. | Partly cloudy | 29° /18° | 0 mm | 8 | |
| 27 Sept. | Sunny | 30° /18° | 0 mm | 9 | |
| 28 Sept. | Partly cloudy | 30° /18° | 1.8 mm | 9 | |
| 29 Sept. | Partly cloudy | 30° /18° | 0.7 mm | 9 | |
| 30 Sept. | Sunny | 22° /11° | 0 mm | 7 | |
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Important Notice
Our weather forecast for Johannesburg South in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Johannesburg South forecast closer to your planned date for the most up-to-date weather information.
Johannesburg South in September - FAQ
What are the expected maximum and minimum temperatures in Johannesburg South during September?
Enjoy moderate daytime temperatures of up to 25° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Johannesburg South during September?
Rainfall in Johannesburg South during September is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 5 days seeing any precipitation. Planning without the concern for rain is generally straightforward during this very dry period.
What are the typical wind conditions in Johannesburg South during September?
The average wind speed in Johannesburg South during September is 22 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Johannesburg South
Explore the daily rainfall trends and prepare for Johannesburg Souths September weather 💧
UV exposure in Johannesburg South during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Where is Johannesburg South?Get accurate weather forecasts for Johannesburg South, located at latitude -26.273 and longitude 27.995. Stay updated with localized weather information tailored for Johannesburg South.
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