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South Africa weather

Weather in Germiston for September 2026

Your guide to Germiston weather in September - trends and predictions

    Temperatures

  • Until now, September 2026 in Germiston is cooler than usual, with temperatures averaging 21.4 °C, this is 2.7 °C below the typical seasonal average.

  • The forecast for the next days in Germiston predicts temperatures to be around 23 °C, close to the historical average.

  • In general, the average temperature in Germiston at the beginning of September is 24.3 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 25.1 °C by the end of September.

    • Rain 🌧️

  • With an average of 4 rainy days, Germiston experiences minimal rainfall in September.

    • More

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Average dry days
26
Dry days
Average rainy days
4
Rainy days
Average snowy days
0
Snow days
Average temperatures
25°/15°
Temperatures
Average wind speed
21 km/h
Avg max wind
Average humidity
31 %
Avg humidity

Germiston Weather September

Move between months or click on a day
August
October
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Sunny
25°
2
Sunny
25°
3
Sunny
26°
4
Sunny
25°
5
Sunny
24°
6
Sunny
23°
7
Sunny
22°
8
Sunny
24°
9
Overcast
24°
10
Partly cloudy
23°
11
Sunny
25°
12
Sunny
25°
13
Sunny
27°
14
Overcast
26°
15
Sunny
23°
16
Sunny
26°
17
Sunny
27°
18
Thundery outbreaks possible
25°
19
Overcast
18°
20
Overcast
15°
21
Sunny
20°
22
Sunny
21°
23
Sunny
24°
24
Overcast
21°
25
Sunny
25°
26
Partly cloudy
28°
27
Sunny
27°
28
Partly cloudy
28°
29
Partly cloudy
27°
30
Sunny
20°

Temperatures trend during September in Germiston

See the weather trend as well as the moving average line

September weather in Germiston day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Sunny
Sunny
 25° /14° 0 mm 7
2 Sept. Sunny
Sunny
 25° /15° 0 mm 7
3 Sept. Sunny
Sunny
 26° /15° 0 mm 7
4 Sept. Sunny
Sunny
 25° /14° 6.1 mm 6
5 Sept. Sunny
Sunny
 24° /13° 0.5 mm 6
6 Sept. Sunny
Sunny
 23° /13° 3.4 mm 5
7 Sept. Sunny
Sunny
 22° /13° 2.7 mm 5
8 Sept. Sunny
Sunny
 24° /14° 0.1 mm 7
9 Sept. Overcast
Overcast
 24° /13° 0.3 mm 7
10 Sept. Partly cloudy
Partly cloudy
 23° /12° 0 mm 7
11 Sept. Sunny
Sunny
 25° /13° 0 mm 7
12 Sept. Sunny
Sunny
 25° /16° 0 mm 9
13 Sept. Sunny
Sunny
 27° /16° 0 mm 9.1
14 Sept. Overcast
Overcast
 26° /14° 7.1 mm 9.3
15 Sept. Sunny
Sunny
 23° /13° 18.1 mm 9.6
16 Sept. Sunny
Sunny
 26° /13° 0 mm 8
17 Sept. Sunny
Sunny
 27° /18° 0 mm 8
18 Sept. Thundery outbreaks possible
Thundery outbreaks possible
 25° /16° 1.3 mm 6
19 Sept. Overcast
Overcast
 18° /12° 0 mm 5
20 Sept. Overcast
Overcast
 15° /11° 0.1 mm 4
21 Sept. Sunny
Sunny
 20° /11° 0 mm 7
22 Sept. Sunny
Sunny
 21° /12° 0 mm 7
23 Sept. Sunny
Sunny
 24° /15° 0 mm 7
24 Sept. Overcast
Overcast
 21° /12° 0 mm 6
25 Sept. Sunny
Sunny
 25° /13° 0 mm 7
26 Sept. Partly cloudy
Partly cloudy
 28° /15° 0 mm 8
27 Sept. Sunny
Sunny
 27° /16° 0 mm 8
28 Sept. Partly cloudy
Partly cloudy
 28° /17° 1.4 mm 8
29 Sept. Partly cloudy
Partly cloudy
 27° /14° 3.1 mm 8
30 Sept. Sunny
Sunny
 20° /11° 0.2 mm 6
Next
Important Notice
Our weather forecast for Germiston 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 Germiston forecast closer to your planned date for the most up-to-date weather information.
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Germiston in September - FAQ

What are the expected maximum and minimum temperatures in Germiston during September?
During September, expect a variety of temperatures with highs around 25° and lows near 15°, suitable for diverse activities and preferences.

How much rainfall should be expected in Germiston during September?
Expect minimal rainfall in Germiston during September, with a total of 13.7 mm over approximately 4 days. This minimal precipitation is unlikely to significantly impact plans.

What are the typical wind conditions in Germiston during September?
The average wind speed in Germiston during September is 21 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Germiston

Explore the daily rainfall trends and prepare for Germistons September weather 💧
Typically, Germiston has 4 rainy days in September with a total of 13.7 mm of rainfall.

UV exposure in Germiston during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️

Quick links

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Location coordinates Where is Germiston?

Get accurate weather forecasts for Germiston, located at latitude -26.235 and longitude 28.177. Stay updated with localized weather information tailored for Germiston.

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