Riebeek-Kasteel
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Riebeek-Kasteel Weather in September

September in Riebeek-Kasteel averages 21°C (70°F) during the day and 8°C (46°F) at night. Quite a bit of rainfall is typical this month, with around 60 mm (2.4 in) on average. An umbrella is a good idea.

Rainfall in Riebeek-Kasteel in September

Analyzing past climate data, one can expect approximately 8 days of rain, averaging 60 mm (2.4 in). Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in Riebeek-Kasteel in September

September is a good time to be in Riebeek-Kasteel. Days are excellent, reaching 21°C (70°F), with nights around 8°C (46°F). Conditions are often most pleasant around the middle of the day. At 8°C (46°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.

If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.

Riebeek-Kasteel Temperature in September

Min Temperature
8°C (46°F)
Max Temperature
21°C (70°F)
Chance of Rain
27%
Precipitation
60 mm (2.4 in)
Rainy days
8 days
Humidity
79% *
* Data from: Worcester, South Africa (58 KM, 36 Miles).

Riebeek-Kasteel Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Riebeek-Kasteel - and find the best time to visit.

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Riebeek-Kasteel typically stay consistent throughout September, with daily highs averaging around 21°C (70°F). Nights are cool, with lows around 9°C (48°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 records for Riebeek-Kasteel in September

Browse day-by-day weather records for Riebeek-Kasteel spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Riebeek-Kasteel historical weather extremes in September

Based on 50 years of weather observations in Riebeek-Kasteel between 1976 and 2026, these are the recorded extremes.

  • The warmest day in September was on September 26, 2019, with a maximum of 36°C (97°F).
  • On September 20, 2013, Riebeek-Kasteel saw its coldest September day with temperatures maxing out at 12°C (54°F).
  • The lowest overnight temperature recorded in September was 0°C (32°F) (September 20, 2018).
  • Peak precipitation in September occurred on September 5, 1992, when 29 mm (1.1 in) of precipitation was measured.

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 →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Riebeek-Kasteel in September

For Riebeek-Kasteel 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.

What To Do in Riebeek-Kasteel in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Cycling
    10/10
  • Walking
    10/10
  • Camping
    4/10
  • Outdoor sports
    10/10

Riebeek-Kasteel 3-Day Forecast

More climate data for Riebeek-Kasteel

Popular in September

Where to go in September - average daytime high across popular destinations.

Bucket list

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