City of Johannesburg Metropolitan Municipality
September
Weather in City of Johannesburg Metropolitan Municipality for September 2025
Your guide to City of Johannesburg Metropolitan Municipality weather in September - trends and predictions
In general, the average temperature in City of Johannesburg Metropolitan Municipality at the beginning of September is 25.4 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 26.4 °C by the end of September.
With an average of 4 rainy days, City of Johannesburg Metropolitan Municipality experiences minimal rainfall in September, ensuring that most days remain pleasantly dry.
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26
Dry days
4
Rainy days
0
Snow days
26°/14°
Temperatures
20 km/h
Avg max wind
26 %
Avg humidity
City of Johannesburg Metropolitan Municipality in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  24° | 2 25° | 3 26° | 4 26° | 5 26° | 6 26° | 7 25° |
| 8 27° | 9 28° | 10 25° | 11 26° | 12  24° | 13 24° | 14 27° |
| 15 29° | 16 28° | 17 27° | 18 26° | 19  27° | 20 22° | 21 19° |
| 22 24° | 23  25° | 24 27° | 25  28° | 26 25° | 27 25° | 28  26° |
| 29 28° | 30 26° |
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Temperatures trend during September in City of Johannesburg Metropolitan Municipality
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September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Sunny | 24° /11° | 0 mm | 7 | |
| 2 Sept. | Sunny | 25° /14° | 0 mm | 7 | |
| 3 Sept. | Sunny | 26° /14° | 0 mm | 8 | |
| 4 Sept. | Sunny | 26° /14° | 0 mm | 7 | |
| 5 Sept. | Sunny | 26° /15° | 0 mm | 7 | |
| 6 Sept. | Sunny | 26° /14° | 0 mm | 8 | |
| 7 Sept. | Sunny | 25° /13° | 0 mm | 7 | |
| 8 Sept. | Sunny | 27° /15° | 0 mm | 8 | |
| 9 Sept. | Sunny | 28° /14° | 0 mm | 7 | |
| 10 Sept. | Sunny | 25° /13° | 0 mm | 7 | |
| 11 Sept. | Sunny | 26° /10° | 0 mm | 7 | |
| 12 Sept. | Partly cloudy | 24° /11° | 0 mm | 7 | |
| 13 Sept. | Sunny | 24° /12° | 0 mm | 7 | |
| 14 Sept. | Sunny | 27° /14° | 0 mm | 8 | |
| 15 Sept. | Sunny | 29° /16° | 0 mm | 8 | |
| 16 Sept. | Sunny | 28° /16° | 0.1 mm | 7 | |
| 17 Sept. | Sunny | 27° /14° | 0.2 mm | 7 | |
| 18 Sept. | Sunny | 26° /14° | 0 mm | 7 | |
| 19 Sept. | Thundery outbreaks possible | 27° /15° | 0.3 mm | 7 | |
| 20 Sept. | Sunny | 22° /11° | 1 mm | 6 | |
| 21 Sept. | Sunny | 19° /12° | 0.7 mm | 5 | |
| 22 Sept. | Sunny | 24° /11° | 0 mm | 6 | |
| 23 Sept. | Overcast | 25° /13° | 0 mm | 7 | |
| 24 Sept. | Sunny | 27° /14° | 0 mm | 7 | |
| 25 Sept. | Patchy rain possible | 28° /15° | 0.2 mm | 7 | |
| 26 Sept. | Sunny | 25° /13° | 0 mm | 7 | |
| 27 Sept. | Patchy rain possible | 25° /13° | 0.3 mm | 7 | |
| 28 Sept. | Cloudy | 26° /14° | 0.9 mm | 7 | |
| 29 Sept. | Sunny | 28° /16° | 0.3 mm | 8 | |
| 30 Sept. | Sunny | 26° /14° | 0 mm | 8 | |
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Important Notice
Our weather forecast for City of Johannesburg Metropolitan Municipality 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 City of Johannesburg Metropolitan Municipality forecast closer to your planned date for the most up-to-date weather information.
City of Johannesburg Metropolitan Municipality in September - FAQ
What are the expected maximum and minimum temperatures in City of Johannesburg Metropolitan Municipality during September?
Enjoy moderate daytime temperatures of up to 26° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in City of Johannesburg Metropolitan Municipality during September?
Rainfall in City of Johannesburg Metropolitan Municipality during September is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 4 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 City of Johannesburg Metropolitan Municipality during September?
The average wind speed in City of Johannesburg Metropolitan Municipality during September is 20 km/h, suggesting breezy to windy conditions, depending on your activities.
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