Climate averages 1991–2020
Richards Bay weather
in September.
A warm, moderately wet month: the joint 8th warmest and the 4th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a warm month in Richards Bay: daytime highs average 24.7°C and nights cool to about 17.4°C. By daytime temperature it is the joint 8th warmest of the 12 months.
Expect about 54 mm of rain on roughly 8 days, which makes September a moderately wet month (the 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 54 min on an average September day.
The nearest other city in this atlas is KwaDukuza (95 km away). In September its highs average 23.9°C, 0.8°C cooler than Richards Bay, with 59 mm of rain.
Among the 95 cities listed in South Africa, Richards Bay ranks joint 44th of 95 for the warmest September highs and 83rd of 95 for the driest September (rainfall, lowest first). The mean September high of those 95 cities is 24.3°C; Richards Bay is 0.4°C warmer than that mean.
From September to October, average highs rise by 0.3°C to 25.0°C, and monthly rainfall rises from 54 mm to 79 mm.
The annual picture
September in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Richards Bay climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 28.6°C22.4°C | 22.4°C | 108 | 13.5 | 13.714 h |
| February | 28.7°C22.6°C | 22.6°C | 95 | 11.9 | 13.113 h |
| March | 28.0°C21.8°C | 21.8°C | 97 | 12.3 | 12.312 h |
| April | 26.2°C19.9°C | 19.9°C | 79 | 10.4 | 11.411 h |
| May | 24.7°C17.7°C | 17.7°C | 56 | 7.6 | 10.711 h |
| June | 23.1°C15.4°C | 15.4°C | 39 | 6.6 | 10.310 h |
| July | 22.6°C14.9°C | 14.9°C | 47 | 6.9 | 10.510 h |
| August | 23.6°C15.9°C | 15.9°C | 39 | 7.0 | 11.111 h |
| September, selected | 24.7°C17.4°C | 17.4°C | 54 | 8.2 | 11.912 h |
| October | 25.0°C18.4°C | 18.4°C | 79 | 12.2 | 12.813 h |
| November | 26.2°C19.8°C | 19.8°C | 93 | 13.2 | 13.514 h |
| December | 27.8°C21.4°C | 21.4°C | 86 | 11.7 | 13.914 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
September in nearby cities
- KwaDukuza in SeptemberSouth Africa · 95 kmHigh 23.9°C · Low 15.4°C · 59 mm rain
- Ntuzuma in SeptemberSouth Africa · 150 kmHigh 23.6°C · Low 14.3°C · 60 mm rain
- Durban in SeptemberSouth Africa · 154 kmHigh 22.5°C · Low 16.1°C · 60 mm rain
- Pinetown in SeptemberSouth Africa · 161 kmHigh 22.3°C · Low 13.6°C · 60 mm rain
- Vryheid in SeptemberSouth Africa · 166 kmHigh 24.2°C · Low 10.1°C · 39 mm rain
- Mpumalanga in SeptemberSouth Africa · 178 kmHigh 22.8°C · Low 11.1°C · 58 mm rain
- Pietermaritzburg in SeptemberSouth Africa · 185 kmHigh 24.0°C · Low 11.2°C · 56 mm rain
- Dundee, South Africa in SeptemberSouth Africa · 189 kmHigh 24.8°C · Low 10.4°C · 35 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Richards Bay) is explained once on the Richards Bay year overview and on the Sources, method and limits page.