Vejret i Cape Town i september

Cape Town i september: behageligt, lidt regn, med lummer luft — et fremragende tidspunkt at tage afsted.

Opdateret september 2026 · klimanormaler fra ERA5-reanalysen

Cape Town🇿🇦 South Africa · Kapprovinsen & Garden Route · By88
  1. 86jan.
  2. 88feb.
  3. 90mar.
  4. 93apr.
  5. 85maj
  6. 76jun.
  7. 75jul.
  8. 80aug.
  9. 88sep.
  10. 94okt.
  11. 95nov.
  12. 91dec.

Nr. 7 af 12 måneder i Cape Town · Nr. 311 af 1413 rejsemål at besøge i september · komfort 88/100 (niveau A)

Dage
20°C
Nætter
10°C
Våde dage
6
Sol
10.2 h
Luftfugtighed
76%
Dagslys
12 h
Cape Town, South Africa
Foto: Israel Luvhimbi · Pexels

Sådan er september i Cape Town

Flower season up the west coast, whales calving in Walker Bay, and the first warm windless days in the city.

blossomshoulder

sikkerhed: high

Noter fra rejsende om Cape Town i september

Andre måneder i Cape Town

Regulars are specific that the strong southeasterly wind this month doesn't hit every beach equally - Bantry Bay and Clifton stay largely sheltered, while Camps Bay and Fish Hoek take the brunt of it, a real, checkable reason to pick one beach over another for a calmer day. Our row backs the warm, windy read, 26.3C over 15.9C nights, with rain minimal at 17.4mm across 3.7 days and a real 25.8 kph wind. Regulars are consistent the sea itself runs genuinely cold on the Atlantic side regardless of the warm air, cold enough that packing a few light layers for cooler, wind-blown evenings makes sense even in the height of summer. The sea sits at 14.2C. The record: humidity 68 percent, 12.9 hours of sun and AQI 60.
BantryBayShelteredCampsBayIsNot · december · for 3 dage siden · Læs mere på Tripadvisor ↗
April is late autumn here, and regulars put a rough number on the unpredictability: about seven days out of thirty might not be great, the first of the winter cold fronts arriving without much warning and turning a warm afternoon into jeans-and-a-jacket weather within hours. Our row backs the mild majority, 24.3C over 12.8C with 25.1mm of rain across 4.3 days, in a summer wind that has mostly abated by now at 19.9 kph. On the sea they are consistent across seasons: the Atlantic side runs cold whatever month it is, and our column's 14.6C confirms it - the warmer swimming is on the other side of the peninsula, not this one. The record: humidity 75 percent, 9.7 hours of sun and AQI 74.
SevenOutOfThirtyDaysWontBeGreat · april · for 3 dage siden · Læs mere på Tripadvisor ↗
October starts the south-easter season and regulars say plainly that this city rarely has a day without wind - usually under a sunny sky and not a cold wind, but often a strong one. Our row measures 23.2 kph against 23.6C days and evenings of 12 to 15C that want a thin sweater. The consequence is a timetable for the thing everyone comes for: the south-easter pushes cloud over Table Mountain through the afternoon, so mornings and evenings are the reliable windows, and the cable car is best before eight, ahead of the tour buses. Mid-spring, so still some flowers and still occasionally chilly. The record: 17.6mm across 3.8 days, 11.7 hours of sun and a 15.2C sea.
TheMountainClouldsOverAfterLunch · oktober · for 3 dage siden · Læs mere på Tripadvisor ↗
Cape Town forum regulars call August one of the poorer weather months, genuinely mixed rather than uniformly bad: “maximum temperatures around 17°C and reasonably high chances of rain,” but “unlike European winters, bad weather days typically last only 2-3 days before glorious sunny days follow.” A typical week mixes “lovely bright sunny days with temperatures up to 20°C” against others that are wet and windy, nights running 5-10°C. Standard packing: a genuinely waterproof and windproof jacket, beanie, fleece, layers. The trade regulars actually recommend the month for: whale-watching season, wildflower displays north of the city, cheaper rates and quieter restaurants still running their winter specials. Our record: 16.4°C days, 9.1°C nights, 9 rain days and 59.6mm of rain — cool and genuinely wet nearly a third of the days, matching the “mixed, not uniformly bad” read.
Tripadvisor community · august · for 5 dage siden · Læs mere på Tripadvisor ↗

Noterne for hele året findes på oversigten over Cape Town. Tilføj din egen note fra Cape Town på kortet.

Klimanormaler for Cape Town — september

Dagtemperatur20°C / 69°F😎 behageligt
Nattemperatur10°C / 50°F
Føles som (dag)19°C / 66°F
Havtemperatur15°C / 58°F🥶 koldt hav
Nedbør33 mm / 1.3 in🌦 lidt regn
Regnvejrsdage6 dage
Luftfugtighed76 %💦 meget fugtigt
Dugpunkt8°C / 46°F
Solskin10.2 t/dag
Dagslys11.9 t
Vind21 km/t / 13 mph
Luftkvalitet (US AQI)59🙂 moderat

Månedsgennemsnit fra ERA5-reanalysen. AQI er det gennemsnitlige amerikanske luftkvalitetsindeks for måneden.

Travlhed i Cape Town i september

Hvor travlt der er på selve stedet — skoleferier og masseferier, de måneder en redaktør har markeret, og hvor eftertragtet vejret gør dem. Aldrig en del af komfortscoren.

Travltmellem toppene, Term 3–4 (spring) break i South Africa

JFMAMJJASOND

TætpakketTravltSkuldersæsonStille

Bedste måneder for vejret i Cape Town

Rangeret efter dette rejsemåls egen klimakomfortscore året igennem — noget andet end, hvor travlt der bliver (se Travlhed ovenfor).

Pænt vejrDet bedste vejr i Cape Town kommer i april, oktober og november — adskilte vinduer, ikke én sammenhængende sæson.

JFMAMJJASOND

Bedste vejrPænt vejrHårdeste vejr

Det sker i Cape Town i september

Tilbagevendende sæsonbegivenheder, naturfænomener, lukninger og helligdage — kurateret og med kilder.

  • Natur

    Southern right whales

    1. jun. – 30. nov. · normaltHvalsæson

    The whales come inshore along False Bay and Walker Bay to calve, roughly June to November, and September and October are when you can watch them from a cliff path without a boat. Kilde ↗

  • Natur

    West Coast flower season

    1. aug. – 20. sep. · normaltVilde blomster & blomstring

    Namaqualand and the West Coast reserves flower after the winter rain, peaking between mid-August and mid-September. The daisies only open in sun and close by mid-afternoon, so it is a late-morning drive. Kilde ↗

Det sker rundt om i verden i september →

Lige i nærheden sker der noget

Inden for 300 km fra Cape Town — en dagstur eller et kort hop — hvor der sker noget denne måned. Aldrig en del af komfortscoren.

Hvor ligger Cape Town?

Indlæser kort…

Cape Town i september — ofte stillede spørgsmål

Er september et godt tidspunkt at besøge Cape Town?
Cape Town i september: behageligt, lidt regn, med lummer luft — et fremragende tidspunkt at tage afsted. Måneden ligger nr. 7 ud af 12 for Cape Town på SeasonMaps komfortscore (88/100).
Hvordan er vejret i Cape Town i september?
I september har Cape Town i gennemsnit en dagtemperatur på 20.3 °C og en nattemperatur på 9.8 °C, med omkring 33 mm regn fordelt på cirka 6 regnvejrsdage.
Hvordan er luftkvaliteten i Cape Town i september?
Cape Town har et gennemsnitligt amerikansk luftkvalitetsindeks på omkring 59 i september.

Inden for 300 km: Hermanus' Southern right whales, omkring 1. jun. – 30. nov..

Vejret i Cape Town i september: 20 °C, 6 regnvejrsdage, 10 t sol | SeasonMap