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The coolest places in Africa in September: ranked by average high temperature

Cape Town tops the list at 18 °C in September. Ranked from 1991–2020 climate normals across 50 destinations in Africa.

Top three in September: Cape Town (18 °C) , George (18 °C) , Somerset West (19 °C) . Between first and 50th place the avg high differs by 6.3 °C.

# Destination Country Avg high Avg high Avg low Rainfall Wet days Sunshine Sea temp
1 Cape Town South Africa 18 °C 18 °C 11 °C 44 mm 7 312 h 15 °C
2 George South Africa 18 °C 18 °C 10 °C 46 mm 8 308 h 17 °C
3 Somerset West South Africa 19 °C 19 °C 10 °C 69 mm 9 310 h 15 °C
4 Gqeberha South Africa 19 °C 19 °C 13 °C 33 mm 6 309 h 17 °C
5 Hosa’ina Ethiopia 19 °C 19 °C 11 °C 337 mm 28 306 h –
6 Jamestown Saint Helena 19 °C 19 °C 19 °C 4 mm 1 311 h 20 °C
7 Addis Ababa Ethiopia 20 °C 20 °C 10 °C 270 mm 24 319 h –
8 Paarl South Africa 20 °C 20 °C 9.0 °C 78 mm 8 305 h –
9 Dessie Ethiopia 20 °C 20 °C 9.7 °C 62 mm 12 337 h –
10 Limuru Kenya 20 °C 20 °C 9.7 °C 34 mm 7 307 h –
11 Kitale Kenya 20 °C 20 °C 11 °C 157 mm 18 306 h –
12 Shashamane Ethiopia 21 °C 21 °C 13 °C 140 mm 24 311 h –
13 Sodo Ethiopia 21 °C 21 °C 13 °C 219 mm 25 314 h –
14 Naivasha Kenya 21 °C 21 °C 12 °C 50 mm 10 320 h –
15 Nek’emtē Ethiopia 22 °C 22 °C 13 °C 1,000 mm 30 298 h –
16 East London South Africa 22 °C 22 °C 14 °C 49 mm 7 300 h 21 °C
17 Fianarantsoa Madagascar 22 °C 22 °C 12 °C 11 mm 3 334 h –
18 Kariega South Africa 22 °C 22 °C 11 °C 32 mm 6 308 h 17 °C
19 Eldoret Kenya 22 °C 22 °C 12 °C 183 mm 19 321 h –
20 Gonder Ethiopia 22 °C 22 °C 13 °C 401 mm 23 312 h –
21 Kikuyu Kenya 22 °C 22 °C 11 °C 19 mm 4 311 h –
22 Bishoftu Ethiopia 22 °C 22 °C 12 °C 124 mm 20 329 h –
23 Bahir Dar Ethiopia 23 °C 23 °C 15 °C 231 mm 26 305 h –
24 Durban South Africa 23 °C 23 °C 16 °C 61 mm 8 277 h 21 °C
25 Maseru Lesotho 23 °C 23 °C 6.0 °C 24 mm 4 337 h –
26 Mthatha South Africa 23 °C 23 °C 10 °C 55 mm 8 279 h –
27 Goma Democratic Republic of the Congo 23 °C 23 °C 18 °C 162 mm 22 301 h –
28 Bafoussam Cameroon 23 °C 23 °C 16 °C 233 mm 28 265 h –
29 Antananarivo Madagascar 23 °C 23 °C 11 °C 6 mm 1 318 h –
30 Butembo Democratic Republic of the Congo 23 °C 23 °C 14 °C 206 mm 22 289 h –
31 Jimma Ethiopia 23 °C 23 °C 13 °C 235 mm 29 292 h –
32 Mbabane Eswatini 23 °C 23 °C 11 °C 57 mm 8 290 h –
33 Gisenyi Rwanda 23 °C 23 °C 18 °C 162 mm 22 301 h –
34 Awasa Ethiopia 23 °C 23 °C 14 °C 168 mm 25 311 h –
35 Nakuru Kenya 23 °C 23 °C 12 °C 50 mm 8 326 h –
36 Dīla Ethiopia 23 °C 23 °C 15 °C 214 mm 24 314 h –
37 Asmara Eritrea 23 °C 23 °C 13 °C 34 mm 6 333 h –
38 Harar Ethiopia 23 °C 23 °C 14 °C 74 mm 14 334 h –
39 Mossamedes Angola 23 °C 23 °C 16 °C 0 mm 0 338 h 19 °C
40 Antsirabe Madagascar 23 °C 23 °C 9.5 °C 11 mm 2 341 h –
41 Musanze Rwanda 23 °C 23 °C 15 °C 106 mm 15 320 h –
42 Johannesburg South Africa 24 °C 24 °C 8.7 °C 22 mm 4 335 h –
43 Toamasina Madagascar 24 °C 24 °C 19 °C 82 mm 18 316 h 24 °C
44 Krugersdorp South Africa 24 °C 24 °C 8.7 °C 19 mm 3 338 h –
45 Bamenda Cameroon 24 °C 24 °C 16 °C 379 mm 29 231 h –
46 KwaDukuza South Africa 24 °C 24 °C 15 °C 59 mm 8 275 h 21 °C
47 Botshabelo South Africa 24 °C 24 °C 7.7 °C 16 mm 3 337 h –
48 Pietermaritzburg South Africa 24 °C 24 °C 11 °C 54 mm 9 276 h –
49 Soweto South Africa 24 °C 24 °C 9.2 °C 21 mm 3 336 h –
50 Mek'ele Ethiopia 24 °C 24 °C 14 °C 63 mm 10 328 h –

Monthly values for the month named in the ranking; only destinations with a published climate page are ranked. Download this ranking as CSV.

The same ranking one month earlier and later

August: top 5

  1. Cape Town 16 °C
  2. Somerset West 17 °C
  3. George 17 °C
  4. Paarl 18 °C
  5. Maseru 18 °C

Full ranking for August

October: top 5

  1. Khartoum 38 °C
  2. Wad Medani 38 °C
  3. Kassala 38 °C
  4. Mopti 38 °C
  5. Tahoua 37 °C

Full ranking for October

How this ranking is built

What is ranked
The average daily high temperature, in °C, in September, lowest first.
Period
1991–2020 climate normals: the same 30 years for every destination, so the list compares like with like.
Who is included
50 destinations in Africa with a published climate page. Neighbouring places that share a climate series are shown once.
Ties
Equal values are ordered by population.
Sources
ERA5 / ERA5-Land reanalysis via Open-Meteo; sea temperature from NOAA OISST v2.1. Measured values are reproduced unchanged; only the ordering is ours.

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: ranking order, beach and comfort scores. 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.