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Weather in Germiston for September 2025

Your guide to Germiston weather in September - trends and predictions

    Temperatures

  • So far, September 2025 in Germiston is slightly warmer than the historical average by 0.7 °C.

  • The forecast for the upcoming days in Germiston predicts a temperature of 28.3 °C, which is slightly above the historical average.

  • In general, the average temperature in Germiston at the beginning of September is 25.3 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 27.4 °C by the end of September.

    • Rain 🌧️

  • With an average of 3 rainy days, Germiston experiences minimal rainfall in September.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
27
Dry days
Average rainy days
3
Rainy days
Average snowy days
0
Snow days
Average temperatures
25°/14°
Temperatures
Average wind speed
21 km/h
Avg max wind
Average humidity
32 %
Avg humidity

Germiston Weather September

Move between months or click on a day
August
October
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Sunny
25°
2
Sunny
25°
3
Sunny
26°
4
Sunny
25°
5
Sunny
25°
6
Sunny
26°
7
Sunny
25°
8
Sunny
26°
9
Overcast
26°
10
Partly cloudy
23°
11
Sunny
25°
12
Sunny
28°
13
Sunny
28°
14
Sunny
29°
15
Sunny
26°
16
Sunny
27°
17
Sunny
27°
18
Sunny
28°
19
Sunny
30°
20
Sunny
28°
21
Sunny
30°
22
Sunny
31°
23
Sunny
28°
24
Patchy rain possible
27°
25
Sunny
26°
26
Sunny
28°
27
Patchy rain possible
29°
28
Sunny
31°
29
Partly cloudy
30°
30
Sunny
21°

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° /13° 0 mm 8
2 Sept. Sunny
Sunny
 25° /15° 0 mm 8
3 Sept. Sunny
Sunny
 26° /15° 0 mm 8
4 Sept. Sunny
Sunny
 25° /15° 0 mm 8
5 Sept. Sunny
Sunny
 25° /15° 0 mm 8
6 Sept. Sunny
Sunny
 26° /14° 1 mm 8
7 Sept. Sunny
Sunny
 25° /14° 0.2 mm 8
8 Sept. Sunny
Sunny
 26° /15° 0 mm 8
9 Sept. Overcast
Overcast
 26° /14° 0.4 mm 7
10 Sept. Partly cloudy
Partly cloudy
 23° /12° 0 mm 8
11 Sept. Sunny
Sunny
 25° /14° 0 mm 8
12 Sept. Sunny
Sunny
 28° /17° 0 mm 8
13 Sept. Sunny
Sunny
 28° /17° 0 mm 8
14 Sept. Sunny
Sunny
 29° /19° 0 mm 8
15 Sept. Sunny
Sunny
 26° /16° 0 mm 2.1
16 Sept. Sunny
Sunny
 27° /18° 0 mm 2.2
17 Sept. Sunny
Sunny
 27° /13° 0 mm 2.4
18 Sept. Sunny
Sunny
 28° /16° 0 mm 2.4
19 Sept. Sunny
Sunny
 30° /19° 0 mm 2.8
20 Sept. Sunny
Sunny
 28° /18° 0 mm 7
21 Sept. Sunny
Sunny
 30° /18° 0 mm 7
22 Sept. Sunny
Sunny
 31° /20° 0 mm 8
23 Sept. Sunny
Sunny
 28° /15° 0 mm 7
24 Sept. Patchy rain possible
Patchy rain possible
 27° /16° 0.8 mm 6
25 Sept. Sunny
Sunny
 26° /15° 0 mm 7
26 Sept. Sunny
Sunny
 28° /19° 0 mm 7
27 Sept. Patchy rain possible
Patchy rain possible
 29° /20° 0.6 mm 6
28 Sept. Sunny
Sunny
 31° /20° 0 mm 7
29 Sept. Partly cloudy
Partly cloudy
 30° /17° 0.7 mm 9
30 Sept. Sunny
Sunny
 21° /11° 0 mm 7
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?
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 Germiston during September?
Rainfall in Germiston during September is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 3 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 Germiston during September?
The average wind speed in Germiston during September is 21 km/h, suggesting breezy to windy conditions, depending on your activities.

UV exposure in Germiston during September

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

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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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