Climate averages 1991–2020
Weather in South Africa in September
In September, average daytime highs across the 95 cities listed in South Africa range from 17.9°C in Cape Town to 28.8°C in Phalaborwa. Monthly rainfall ranges from 4.9 mm in Upington to 77 mm in Paarl.
Long-term climate patterns, not a forecast for a particular trip.
City by city
September in South Africa
| City | Average highHigh / low | Average low | Rainfall mm | Rain days |
|---|---|---|---|---|
| Johannesburg | 23.4°C8.5°C | 8.5°C | 22 | 3.7 |
| Cape Town | 17.9°C10.8°C | 10.8°C | 51 | 8.2 |
| Durban | 22.5°C16.1°C | 16.1°C | 60 | 8.6 |
| Pretoria | 26.6°C11.5°C | 11.5°C | 17 | 2.5 |
| Soweto | 24.2°C9.3°C | 9.3°C | 21 | 3.4 |
| Gqeberha | 19.2°C13.6°C | 13.6°C | 38 | 6.8 |
| Soshanguve | 27.6°C12.5°C | 12.5°C | 15 | 2.0 |
| Pietermaritzburg | 24.0°C11.2°C | 11.2°C | 56 | 9.5 |
| Evaton | 25.2°C10.0°C | 10.0°C | 20 | 3.5 |
| Benoni | 24.4°C9.2°C | 9.2°C | 23 | 3.5 |
| Bloemfontein | 24.6°C8.2°C | 8.2°C | 16 | 2.7 |
| Thembisa | 24.8°C9.9°C | 9.9°C | 19 | 2.9 |
| East London | 21.6°C14.3°C | 14.3°C | 57 | 7.6 |
| Vereeniging | 25.5°C10.0°C | 10.0°C | 20 | 3.7 |
| Welkom | 25.3°C9.1°C | 9.1°C | 14 | 2.6 |
| Newcastle, South Africa | 24.7°C9.7°C | 9.7°C | 40 | 7.0 |
| Krugersdorp | 23.7°C8.7°C | 8.7°C | 19 | 2.9 |
| Rustenburg | 27.4°C12.5°C | 12.5°C | 14 | 1.8 |
| Emalahleni | 24.3°C9.1°C | 9.1°C | 20 | 3.2 |
| Randburg | 24.6°C9.5°C | 9.5°C | 19 | 2.8 |
| Roodepoort | 23.6°C8.5°C | 8.5°C | 21 | 3.4 |
| Botshabelo | 24.0°C7.8°C | 7.8°C | 16 | 2.8 |
| Brakpan | 24.5°C9.3°C | 9.3°C | 23 | 3.5 |
| Kariega | 21.5°C11.2°C | 11.2°C | 31 | 5.5 |
| Polokwane | 25.6°C11.7°C | 11.7°C | 13 | 2.6 |
| Germiston | 24.5°C9.3°C | 9.3°C | 23 | 3.5 |
| Richards Bay | 24.7°C17.4°C | 17.4°C | 54 | 8.2 |
| Vanderbijlpark | 25.3°C9.8°C | 9.8°C | 20 | 3.6 |
| Paarl | 19.9°C9.1°C | 9.1°C | 77 | 8.7 |
| Centurion | 25.8°C10.8°C | 10.8°C | 17 | 2.5 |
| Klerksdorp | 26.6°C10.3°C | 10.3°C | 14 | 2.7 |
| Somerset West | 19.0°C11.4°C | 11.4°C | 68 | 8.8 |
| Mdantsane | 21.7°C11.9°C | 11.9°C | 48 | 6.6 |
| Middelburg | 25.0°C10.1°C | 10.1°C | 18 | 3.4 |
| George | 18.1°C10.3°C | 10.3°C | 44 | 8.0 |
| Carletonville | 25.1°C10.0°C | 10.0°C | 20 | 3.1 |
| Potchefstroom | 26.5°C10.9°C | 10.9°C | 16 | 3.1 |
| Mthatha | 22.4°C10.2°C | 10.2°C | 56 | 8.4 |
| KwaDukuza | 23.9°C15.4°C | 15.4°C | 59 | 8.5 |
| Westonaria | 24.6°C9.7°C | 9.7°C | 21 | 3.4 |
| Etwatwa | 24.7°C9.7°C | 9.7°C | 23 | 3.5 |
| Vryheid | 24.2°C10.1°C | 10.1°C | 39 | 6.7 |
| Pinetown | 22.3°C13.6°C | 13.6°C | 60 | 8.6 |
| Ladysmith | 25.7°C10.0°C | 10.0°C | 39 | 6.9 |
| eMbalenhle | 24.7°C9.5°C | 9.5°C | 24 | 3.6 |
| Kimberley | 26.2°C9.5°C | 9.5°C | 13 | 2.5 |
| Nigel | 24.8°C9.6°C | 9.6°C | 23 | 3.8 |
| Motherwell | 21.0°C11.6°C | 11.6°C | 31 | 5.5 |
| Mpumalanga | 22.8°C11.1°C | 11.1°C | 58 | 9.0 |
| Bhisho | 22.1°C9.6°C | 9.6°C | 56 | 8.0 |
| Sasolburg | 25.3°C9.8°C | 9.8°C | 20 | 3.6 |
| Randfontein | 23.8°C9.0°C | 9.0°C | 21 | 3.4 |
| Worcester, South Africa | 19.9°C9.8°C | 9.8°C | 35 | 6.5 |
| Ntuzuma | 23.6°C14.3°C | 14.3°C | 60 | 8.6 |
| Virginia | 25.7°C9.6°C | 9.6°C | 14 | 2.6 |
| Brits | 27.8°C12.7°C | 12.7°C | 16 | 2.2 |
| Alberton | 24.7°C9.5°C | 9.5°C | 22 | 3.7 |
| Queenstown | 23.4°C7.8°C | 7.8°C | 33 | 5.4 |
| Kroonstad | 25.3°C9.5°C | 9.5°C | 14 | 2.7 |
| Somaroboro | 26.5°C11.3°C | 11.3°C | 14 | 2.0 |
| Hammanskraal | 28.2°C12.7°C | 12.7°C | 15 | 2.0 |
| Mbombela | 26.3°C12.3°C | 12.3°C | 34 | 6.5 |
| Orkney | 26.6°C10.1°C | 10.1°C | 15 | 3.0 |
| Phalaborwa | 28.8°C15.5°C | 15.5°C | 11 | 2.0 |
| Thohoyandou | 26.5°C13.8°C | 13.8°C | 36 | 6.0 |
| Tokoza | 24.9°C9.5°C | 9.5°C | 23 | 3.5 |
| Standerton | 24.4°C8.9°C | 8.9°C | 23 | 3.9 |
| Mokopane | 28.2°C12.9°C | 12.9°C | 11 | 1.9 |
| Ermelo | 23.2°C8.8°C | 8.8°C | 26 | 4.5 |
| Stellenbosch | 19.0°C9.4°C | 9.4°C | 68 | 8.8 |
| Kutloanong | 25.7°C9.4°C | 9.4°C | 14 | 2.7 |
| Stilfontein | 26.4°C10.2°C | 10.2°C | 14 | 2.7 |
| Qonce | 22.4°C10.3°C | 10.3°C | 48 | 7.0 |
| Delmas | 24.9°C9.6°C | 9.6°C | 24 | 3.4 |
| Grahamstown | 21.9°C9.2°C | 9.2°C | 40 | 6.2 |
| Bethlehem, South Africa | 22.8°C7.7°C | 7.7°C | 22 | 3.7 |
| Ga-Rankuwa | 27.1°C11.8°C | 11.8°C | 15 | 2.0 |
| Bela Bela | 28.3°C12.9°C | 12.9°C | 13 | 1.9 |
| Midrand | 24.4°C9.4°C | 9.4°C | 19 | 2.8 |
| Louis Trichardt | 27.2°C13.9°C | 13.9°C | 9.7 | 2.1 |
| Heidelberg, South Africa | 25.1°C9.8°C | 9.8°C | 22 | 3.6 |
| Dundee, South Africa | 24.8°C10.4°C | 10.4°C | 35 | 6.1 |
| Piet Retief | 23.5°C10.1°C | 10.1°C | 38 | 7.0 |
| Phuthaditjhaba | 21.6°C6.8°C | 6.8°C | 32 | 4.5 |
| Atlantis | 17.9°C9.0°C | 9.0°C | 36 | 6.3 |
| Mossel Bay | 19.3°C11.2°C | 11.2°C | 33 | 6.5 |
| Mafikeng | 26.9°C11.0°C | 11.0°C | 13 | 1.8 |
| Odendaalsrus | 25.6°C9.4°C | 9.4°C | 14 | 2.7 |
| Oudtshoorn | 22.2°C8.3°C | 8.3°C | 27 | 5.2 |
| Bethal | 23.9°C8.9°C | 8.9°C | 23 | 3.7 |
| Thaba Nchu | 23.5°C7.5°C | 7.5°C | 16 | 2.8 |
| Bothaville | 26.5°C10.0°C | 10.0°C | 14 | 2.8 |
| Upington | 27.2°C11.2°C | 11.2°C | 4.9 | 0.9 |
| Parys | 26.0°C10.4°C | 10.4°C | 19 | 3.4 |
| Schweizer-Reneke | 26.4°C10.5°C | 10.5°C | 12 | 2.1 |
A rain day is a local calendar day with at least 1 mm of precipitation.