Simonʼs Town Weather in September
During September, Simonʼs Town experiences moderate daytime temperatures of 17°C (63°F) and cooler nights around 13°C (55°F). Some rainfall is typical during this period.
Rainfall in Simonʼs Town in September
You can expect rain on roughly 11 days based on historical data, averaging 56 mm (2.2 in) for the month. Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.
Temperature in Simonʼs Town in September
September in Simonʼs Town brings moderate temperatures, with highs of 17°C (63°F) and nights around 13°C (55°F). This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. With lows of 13°C (55°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.
Sunshine in Simonʼs Town in September
There are approximately 225 hours of sunshine this month, resulting in mostly clear days.If you prefer enjoying temperate temperatures and rain-free days, January, February, March, April and December typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
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 Simonʼs Town's climate page.
Simonʼs Town Temperature in September
Min Temperature
13°C (55°F)
Max Temperature
17°C (63°F)
Chance of Rain
36%
Precipitation
56 mm (2.2 in)
Rainy days
11 days
Humidity
77% *
Sunshine
225 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Simonʼs Town typically stay consistent throughout September, with daily highs averaging around 17°C (63°F). Nights are cool, with lows around 10°C (50°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 Simonʼs Town in September
Browse day-by-day weather records for Simonʼs Town spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Simonʼs Town historical weather extremes in September
Based on weather observations in Simonʼs Town between 1976 and 2025, these are the recorded extremes during September.
- The hottest September day on record in Simonʼs Town reached 33°C (91°F) (September 12, 1997).
- On September 1, 1979, Simonʼs Town saw its coldest September day with temperatures maxing out at 11°C (52°F).
- The coldest night in September in Simonʼs Town was on September 1, 1990, with a minimum of 2°C (36°F).
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 Simonʼs Town in September
For Simonʼs Town in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Simonʼs Town 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 Simonʼs Town's climate page.
Temperature Rainfall Sunshine Humidity
See the full Simonʼs Town climate overview or explore weather in South Africa.
