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South Africa weather

Weather in Harrismith for September 2025

Your guide to Harrismith weather in September - trends and predictions

    Temperatures

  • Expect cooler weather in first days of September 2025 in Harrismith with the forecast suggesting a temperature of 24.6 °C, lower than the historical average.

  • In general, the average temperature in Harrismith at the beginning of September is 26.7 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 28.3 °C by the end of September.

    • Rain 🌧️

  • Harrismith experiences moderate rainfall in September, with an average of 7 rainy days and a total precipitation of 92.4 mm.

    • More

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Average dry days
23
Dry days
Average rainy days
7
Rainy days
Average snowy days
0
Snow days
Average temperatures
26°/10°
Temperatures
Average wind speed
21 km/h
Avg max wind
Average humidity
52 %
Avg humidity

Harrismith Weather September

Move between months or click on a day
August
October
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Sunny
26°
2
Sunny
28°
3
Sunny
26°
4
Sunny
25°
5
Sunny
26°
6
Overcast
26°
7
Partly cloudy
30°
8
Cloudy
31°
9
Overcast
11°
10
Overcast
19°
11
Partly cloudy
31°
12
Cloudy
33°
13
Cloudy
35°
14
Moderate rain at times
32°
15
Overcast
29°
16
Heavy rain at times
25°
17
Moderate or heavy rain shower
20°
18
Sunny
27°
19
Overcast
23°
20
Moderate or heavy rain shower
8°
21
Heavy rain at times
7°
22
Patchy rain possible
13°
23
Partly cloudy
21°
24
Cloudy
26°
25
Sunny
30°
26
Overcast
30°
27
Partly cloudy
25°
28
Patchy rain possible
32°
29
Patchy rain possible
31°
30
Patchy rain possible
24°

Temperatures trend during September in Harrismith

See the weather trend as well as the moving average line

September weather in Harrismith day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Sunny
Sunny
 26° /8° 0 mm 6
2 Sept. Sunny
Sunny
 28° /11° 0 mm 6
3 Sept. Sunny
Sunny
 26° /12° 0 mm 6
4 Sept. Sunny
Sunny
 25° /9° 0 mm 6
5 Sept. Sunny
Sunny
 26° /11° 0 mm 6
6 Sept. Overcast
Overcast
 26° /11° 0 mm 7
7 Sept. Partly cloudy
Partly cloudy
 30° /10° 0 mm 9
8 Sept. Cloudy
Cloudy
 31° /11° 0 mm 8
9 Sept. Overcast
Overcast
 11° /7° 0.8 mm 4
10 Sept. Overcast
Overcast
 19° /7° 0 mm 5
11 Sept. Partly cloudy
Partly cloudy
 31° /7° 0 mm 9
12 Sept. Cloudy
Cloudy
 33° /12° 0 mm 8
13 Sept. Cloudy
Cloudy
 35° /15° 0 mm 9
14 Sept. Moderate rain at times
Moderate rain at times
 32° /14° 1.6 mm 8
15 Sept. Overcast
Overcast
 29° /12° 0.5 mm 7
16 Sept. Heavy rain at times
Heavy rain at times
 25° /14° 3.4 mm 7
17 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 20° /14° 34.5 mm 6
18 Sept. Sunny
Sunny
 27° /14° 12.8 mm 8
19 Sept. Overcast
Overcast
 23° /9° 0 mm 6
20 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 8° /3° 20 mm 3
21 Sept. Heavy rain at times
Heavy rain at times
 7° /2° 16.4 mm 3
22 Sept. Patchy rain possible
Patchy rain possible
 13° /5° 0.1 mm 4
23 Sept. Partly cloudy
Partly cloudy
 21° /4° 0 mm 7
24 Sept. Cloudy
Cloudy
 26° /8° 0 mm 7
25 Sept. Sunny
Sunny
 30° /13° 0 mm 9
26 Sept. Overcast
Overcast
 30° /14° 0 mm 8
27 Sept. Partly cloudy
Partly cloudy
 25° /10° 0 mm 8
28 Sept. Patchy rain possible
Patchy rain possible
 32° /11° 0.5 mm 8
29 Sept. Patchy rain possible
Patchy rain possible
 31° /13° 0.6 mm 8
30 Sept. Patchy rain possible
Patchy rain possible
 24° /9° 1.2 mm 6
Next
Important Notice
Our weather forecast for Harrismith 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 Harrismith forecast closer to your planned date for the most up-to-date weather information.
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Harrismith in September - FAQ

What are the expected maximum and minimum temperatures in Harrismith during September?
Enjoy moderate daytime temperatures of up to 26° and cooler nights around 10°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Harrismith during September?
Moderate rainfall is anticipated in Harrismith during September, with a total of 92.4 mm spread over approximately 7 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Harrismith during September?
The average wind speed in Harrismith during September is 21 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Harrismith

Explore the daily rainfall trends and prepare for Harrismiths September weather 💧

UV exposure in Harrismith during September

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

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Location coordinates Where is Harrismith?

Get accurate weather forecasts for Harrismith, located at latitude -28.273 and longitude 29.129. Stay updated with localized weather information tailored for Harrismith.

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