Gansbaai Weather in September
Gansbaai in September averages 18°C (64°F) during the day and 12°C (54°F) at night. Some rainfall is typical for this time of year.
Rainfall in Gansbaai in September
Records from the past 30 years suggest around 10 days of rain, with 54 mm (2.1 in) average for the month. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.
Temperature in Gansbaai in September
In September, Gansbaai sees moderate temperatures, with highs of 18°C (64°F). Nights drop to around 12°C (54°F). Even when the weather is stable, mornings and evenings can still feel distinctly cool. Nights cool down to 12°C (54°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.If your ideal day consists of dry skies and pleasant temperatures, January, February, March, April, October, November and December typically offer the best circumstances for Gansbaai.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit South Africa, check out our Gansbaai's climate page.
Gansbaai Temperature in September
Min Temperature
12°C (54°F)
Max Temperature
18°C (64°F)
Chance of Rain
34%
Precipitation
54 mm (2.1 in)
Rainy days
10 days
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Gansbaai typically stay consistent throughout September, with daily highs averaging around 18°C (64°F). Nights are cool, with lows around 13°C (55°F).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for Gansbaai in September
Browse day-by-day weather records for Gansbaai spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Gansbaai historical weather extremes in September
The extremes listed below come from historical weather data collected in Gansbaai from 1998 through 2025.
- Gansbaai recorded its highest September temperature of 29°C (84°F) on September 26, 2019.
- Gansbaai experienced its chilliest September day on September 10, 1999, reaching only 11°C (52°F).
- The lowest overnight temperature recorded in September was 2°C (36°F) (September 20, 2018).
Best Places in South Africa in September
Find out more about the weather in South Africa and which places have the best travel conditions in this month. See all of South Africa in September →
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What to Wear in Gansbaai in September
Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days.What To Do in Gansbaai in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit South Africa, check out our Gansbaai's climate page.
See the full Gansbaai climate overview or explore weather in South Africa.
