Kariega weather in September

In September, Kariega has daytime highs averaging 22 °C, nights around 11 °C, with 5.6 wet days, and a sea temperature of 17 °C. Figures are 1991–2020 climate normals.

  1. Jan 22°
  2. Feb 22°
  3. Mar 21°
  4. Apr 19°
  5. May 17°
  6. Jun 15°
  7. Jul 14°
  8. Aug 15°
  9. Sep 16°
  10. Oct 18°
  11. Nov 19°
  12. Dec 21°

Daily temperatures through September

17°26°18152229
Daily highDaily low Day of month on the horizontal axis. Highs peak at 23.4 °C and lows bottom out at 10.3 °C.

How September develops

Averages for the first, middle and last part of the month, from daily 1991–2020 normals. Chance of rain is the share of years in which that calendar day recorded more than 1 mm.

DaysAvg highAvg lowChance of rain
1–10 September21.7 °C10.6 °C16 %
11–20 September21.6 °C11.3 °C21 %
21–30 September21.8 °C11.2 °C19 %
0%50%100%151015202530
Chance of a wet day (over 1 mm) by date in September. Wettest date over the 30 years: September 11, at 30 %. Single dates are noisy — read the shape, not the spikes.

What to expect

Measure Typical September Share of the month
Days above 25 °C 6.0 of 30 20 %
Days above 30 °C 1.6 of 30 5 %
Days below 0 °C 0 of 30 0 %
Days with more than 1 mm rain 5.6 of 30 19 %

Conditions in September

MeasureAverage
Mean temperature 16 °C
Record high (1991–2020) 37 °C
Record low (1991–2020) 5.1 °C
Relative humidity 71 %
Wind speed 21 km/h
Cloud cover 46 %

Where Kariega ranks in September

RankingPositionValue
The coolest places in Africa in September18thof 5022 °C
Places with the best weather in Africa in September27thof 5091/100

September compared with the months around it

Month Avg high Rainfall Cloud
July 20.6 °C 24 mm 33 %
August 20.8 °C 36 mm 39 %
September 21.7 °C 32 mm 46 %
October 22.8 °C 48 mm 53 %
November 23.8 °C 57 mm 52 %

See all twelve months for Kariega

Nearby destinations in September

Destination Avg high Wet days Sea
Kariega 22 °C 5.6 17
Gqeberha 19 °C 6 17
East London 22 °C 7 21
George 18 °C 8 17
Mthatha 23 °C 8
Durban 23 °C 8 21

QuestionsSeptember in Kariega, answered

How warm is Kariega in September?

Daily highs average 22 °C and nights fall to about 11 °C, a spread of 11 °C between afternoon and dawn. That makes September the 9th warmest month of the year here.

Does it rain much in Kariega in September?

September averages 32 mm of rain, spread over about 6 of the 30 days — 19 % of the month. Cloud cover averages 46 % of the sky.

Is the sea warm enough to swim in September?

The sea averages 17 °C off Kariega in September. Most people find water below 20 °C bracing and above 25 °C comfortable for a long swim; this figure is a monthly surface average, so a sheltered bay on a still afternoon can be warmer.

How long are the days in September?

Kariega averages 12 hours between sunrise and sunset in September. Day length is computed from latitude and date, so it is exact rather than modelled — but it says nothing about how much of that time is sunny.

Data sources and method

Normal period
1991–2020
Dataset version
era5-1991-2020-scores1.1
Last processed

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: daylight hours, beach and comfort scores, monthly rankings, threshold day counts, chance of a wet day by date, ten-day averages within the month. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.