Stellenbosch weather in September 2025

Expect 18°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Stellenbosch in September. Check more long-term weather averages for Stellenbosch in September before you book your next holiday to South Africa in 2025/2026.

  • 18°C maximum daytime temperature in September in Stellenbosch18
    18°C max day temperature
  • 8 hours of sunshine per day
  • 11 days with some rainfall in September in Stellenbosch11
    11 days with some rainfall
  • 7°C minimum night-time temperature in September in Stellenbosch7
    7°C min night temperature
  • 12 hours of daylight per day in September in Stellenbosch12
    12 hours of daylight per day
  • No heat & humidity in September in Stellenbosch0
    No heat & humidity
  • 89 mm monthly rainfall in September in Stellenbosch89
    89 mm of monthly rainfall
  • UV (maximum) index 6 (High) in September in Stellenbosch6
    6 (High) UV index

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The September weather guide for South Africa (Stellenbosch) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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More about South Africa

How hot is it in Stellenbosch in September?

Daytime temperatures usually reach 18°C in Stellenbosch in September, falling to 7°C at night.

How sunny is it in Stellenbosch in September?

There are normally 8 hours of bright sunshine each day in Stellenbosch in September - that's 63% of daylight hours.

Does it rain in Stellenbosch in September?

There are usually 11 days with some rain in Stellenbosch in September and the average monthly rainfall is 89mm.

Stellenbosch September sunrise & sunset times

Browse the sunrise and sunset times for Stellenbosch in September 2025. Select a month to view Stellenbosch sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 07:03 18:27
Monday, 15th September 2025 06:44 18:36
Tuesday, 30th September 2025 06:23 18:47

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