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South Africa weather

Weather in Harrismith for September 2026

Your guide to Harrismith weather in September - trends and predictions

    Temperatures

  • In general, the average temperature in Harrismith at the beginning of September is 29 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 25.3 °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

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

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
30°
3
Sunny
32°
4
Sunny
30°
5
Sunny
31°
6
Overcast
24°
7
Partly cloudy
30°
8
Cloudy
31°
9
Overcast
20°
10
Overcast
25°
11
Partly cloudy
32°
12
Cloudy
30°
13
Cloudy
34°
14
Moderate rain at times
31°
15
Overcast
30°
16
Heavy rain at times
28°
17
Moderate or heavy rain shower
24°
18
Sunny
29°
19
Overcast
25°
20
Moderate or heavy rain shower
21°
21
Heavy rain at times
20°
22
Patchy rain possible
23°
23
Partly cloudy
25°
24
Cloudy
23°
25
Sunny
23°
26
Overcast
28°
27
Partly cloudy
28°
28
Patchy rain possible
31°
29
Patchy rain possible
23°
30
Patchy rain possible
21°

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° /9° 0 mm 8
2 Sept. Sunny
Sunny
 30° /9° 0 mm 9
3 Sept. Sunny
Sunny
 32° /12° 0 mm 9
4 Sept. Sunny
Sunny
 30° /11° 0 mm 8
5 Sept. Sunny
Sunny
 31° /13° 0.1 mm 9
6 Sept. Overcast
Overcast
 24° /12° 0.3 mm 7
7 Sept. Partly cloudy
Partly cloudy
 30° /10° 0 mm 9
8 Sept. Cloudy
Cloudy
 31° /11° 1.5 mm 8
9 Sept. Overcast
Overcast
 20° /10° 1.1 mm 6
10 Sept. Overcast
Overcast
 25° /10° 0.2 mm 7
11 Sept. Partly cloudy
Partly cloudy
 32° /11° 0 mm 9
12 Sept. Cloudy
Cloudy
 30° /12° 0 mm 8
13 Sept. Cloudy
Cloudy
 34° /13° 0.6 mm 9
14 Sept. Moderate rain at times
Moderate rain at times
 31° /13° 1.3 mm 8
15 Sept. Overcast
Overcast
 30° /11° 0.2 mm 8
16 Sept. Heavy rain at times
Heavy rain at times
 28° /12° 1.7 mm 8
17 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 24° /11° 17.3 mm 7
18 Sept. Sunny
Sunny
 29° /11° 6.4 mm 9
19 Sept. Overcast
Overcast
 25° /10° 0 mm 7
20 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 21° /7° 10.9 mm 6
21 Sept. Heavy rain at times
Heavy rain at times
 20° /8° 9.1 mm 6
22 Sept. Patchy rain possible
Patchy rain possible
 23° /8° 0.5 mm 7
23 Sept. Partly cloudy
Partly cloudy
 25° /7° 0 mm 7
24 Sept. Cloudy
Cloudy
 23° /8° 10.9 mm 6
25 Sept. Sunny
Sunny
 23° /11° 0.1 mm 7
26 Sept. Overcast
Overcast
 28° /11° 0 mm 8
27 Sept. Partly cloudy
Partly cloudy
 28° /10° 0 mm 8
28 Sept. Patchy rain possible
Patchy rain possible
 31° /13° 3.7 mm 8
29 Sept. Patchy rain possible
Patchy rain possible
 23° /11° 5.6 mm 7
30 Sept. Patchy rain possible
Patchy rain possible
 21° /9° 0.8 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 💧
Typically, Harrismith has 7 rainy days in September with a total of 92.4 mm of rainfall.

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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