Weather in Cape Town in September 2018

Expect 18°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Cape Town in September. Check more long-term weather averages for Cape Town in September before you book your next holiday to South Africa in 2018.

Key weather averages for Cape Town in September

  • 18°C maximum daytime temperature in September in Cape Town18
    18°C max day temperature
  • 7 hours of sunshine per day (62% of daylight hours) in September in Cape Town7
    7 hours of sunshine per day
  • 11 days with some rainfall in September in Cape Town11
    11 days with some rainfall
  • 9°C minimum night-time temperature in September in Cape Town9
    9°C min night temperature
  • 12 hours of daylight per day in September in Cape Town12
    12 hours of daylight per day
  • No heat & humidity in September in Cape Town0
    No heat & humidity
  • 96 mm monthly rainfall in September in Cape Town96
    96 mm of monthly rainfall
  • UV (maximum) index 6 (High) in September in Cape Town6
    6 (High) UV index
  • 15°C sea temperature in September in Cape Town15
    15°C sea temperature

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

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

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Guide to Cape Town weather in September

The average maximum daytime temperature in Cape Town in September is a comfortable 18°C (64°F). The average night-time temperature is usually a cool 9°C (48°F). There are usually 7 hours of bright sunshine each day, which represents 62% of the 12 hours of daylight.

Expect 96mm (3.8 inches) of rainfall across the whole of September with 11 days with some rain falling. Maximum UV levels will be high (6 UV index) at midday when the skies are clear.

The average sea temperature in and around Cape Town in September is 15°C (59°F).

The weather in Cape Town in September is represented by Cape Town.

Cape Town sunrise & sunset times for September 2018

Browse the sunrise & sunset times for Cape Town in September 2018. Select a month to view Cape Town sunrise & sunset times for the next twelve months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Saturday, 1st September 2018 07:05 18:28
Sunday, 2nd September 2018 07:04 18:29
Monday, 3rd September 2018 07:02 18:30
Tuesday, 4th September 2018 07:01 18:30
Wednesday, 5th September 2018 07:00 18:31
Thursday, 6th September 2018 06:58 18:32
Friday, 7th September 2018 06:57 18:32
Saturday, 8th September 2018 06:56 18:33
Sunday, 9th September 2018 06:54 18:34
Monday, 10th September 2018 06:53 18:34
Tuesday, 11th September 2018 06:51 18:35
Wednesday, 12th September 2018 06:50 18:36
Thursday, 13th September 2018 06:49 18:36
Friday, 14th September 2018 06:47 18:37
Saturday, 15th September 2018 06:46 18:38
Sunday, 16th September 2018 06:44 18:38
Monday, 17th September 2018 06:43 18:39
Tuesday, 18th September 2018 06:42 18:40
Wednesday, 19th September 2018 06:40 18:41
Thursday, 20th September 2018 06:39 18:41
Friday, 21st September 2018 06:37 18:42
Saturday, 22nd September 2018 06:36 18:43
Sunday, 23rd September 2018 06:35 18:43
Monday, 24th September 2018 06:33 18:44
Tuesday, 25th September 2018 06:32 18:45
Wednesday, 26th September 2018 06:30 18:45
Thursday, 27th September 2018 06:29 18:46
Friday, 28th September 2018 06:28 18:47
Saturday, 29th September 2018 06:26 18:48
Sunday, 30th September 2018 06:25 18:48
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Cape Town weather by month

Check Cape Town weather for a particular month by selecting from the list below. Monthly weather guides include figures for temperature, rainfall, sunshine hours and sea temperature plus daily sunrise & sunset times.

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