Johannesburg weather in September 2021

Get the latest coronavirus (COVID-19) updates for South Africa with current travel advice, statistics and online resources.

  • 23°C maximum daytime temperature in September in Johannesburg23
    23°C max day temperature
  • 10 hours of sunshine per day
  • 3 days with some rainfall in September in Johannesburg3
    3 days with some rainfall
  • 9°C minimum night-time temperature in September in Johannesburg9
    9°C min night temperature
  • 12 hours of daylight per day in September in Johannesburg12
    12 hours of daylight per day
  • No heat & humidity in September in Johannesburg0
    No heat & humidity
  • 28 mm monthly rainfall in September in Johannesburg28
    28 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in September in Johannesburg9
    9 (Very High) UV index

Recommended for South Africa

  • Top deals & discounts
  • Johannesburg weather overview
  • Johannesburg climate averages by month
  • More destinations
  • Best time to go to Johannesburg
  • Johannesburg 5-day weather forecast

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

The September weather guide for Johannesburg, South Africa 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.

  • Book low fares to South Africa in Virgin Atlantic sale
  • Return flights to South Africa from £417
  • Fully flexible booking with free COVID cover

Expires at 23:59 on Tuesday 2nd Feb 2021 · View all Virgin Atlantic offers

Virgin AtlanticVirgin Atlantic destinations

How hot is it in Johannesburg in September?

Daytime temperatures usually reach 23°C in Johannesburg in September, falling to 9°C at night.

How sunny is it in Johannesburg in September?

There are normally 10 hours of bright sunshine each day in Johannesburg in September - that's 81% of daylight hours.

Does it ever rain in Johannesburg in September?

There are usually 3 days with some rain in Johannesburg in September and the average monthly rainfall is 28mm.

Johannesburg sunrise & sunset times for September 2021

Browse the sunrise & sunset times for Johannesburg in September 2021. Select a month to view Johannesburg sunrise & sunset times for the next twelve months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st September 2021 06:20 17:56
Wednesday, 15th September 2021 06:05 18:01
Thursday, 30th September 2021 05:48 18:07
  • Book low fares to South Africa in Virgin Atlantic sale
  • Return flights to South Africa from £417
  • Fully flexible booking with free COVID cover

Expires at 23:59 on Tuesday 2nd Feb 2021 · View all Virgin Atlantic offers

Virgin AtlanticVirgin Atlantic destinations

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

Back to top

Discover more about South Africa

Where is hot in South Africa in September for 2021/2022?

Below are average maximum temperatures at popular destinations in South Africa in September. Select a destination to see more weather parameters.

More destinations & map >>

Related posts

Popular travel offers

Top ^

*affiliate links: find out how we are funded and why this helps us remain free to use.