Soweto weather in September

In September, Soweto sees average daytime highs of 24°C and overnight lows near 10°C, with 21 mm of rain across 3.4 wet days and about 11.8 hours of daylight. It is the 6th-warmest and 8th-wettest month of the year here.

Highs climb over the month, from about 23°C in the first days to 25°C by the end. The sky is clear or mostly clear about 72% of the time in September, and the air most often feels dry.

Daylight stretches from about 11 h 30 min at the start of September to 12 h 12 min by month's end. Set against the rest of the year, September is Soweto's 5th-clearest and 1st-windiest month. For the whole year in context, see Soweto's year-round climate.

Daytime high
24°
6th warmest
Overnight low
10°
5th coldest
Rainfall
21 mm
3.4 wet days
Daylight
11 h 48 min
6:07 AM – 5:58 PM
Cloud cover
26%
5th clearest
Wind
13 km/h
1st windiest
Solar energy
6.08 kWh/m²
Travel score
8.6
out of 10

Soweto is township of South Africa.

Density
8,475/km²
people per km²
Founded
1963

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 23°C in the first days to 25°C by the end.

A typical September day in Soweto reaches about 24°C in the afternoon and slips back to 10°C overnight — a 14°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 29°C. Set against its neighbours, September runs about 4°C warmer than August and about 1°C cooler than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
1239
2239
3239
4239
5249
6249
72410
82410
92410
102410
112410
122410
132410
142510
152511
162511
172511
182511
192511
202511
212511
222511
232511
242511
252511
262512
272512
282512
292512
302512

Soweto weather by month

How September compares with the rest of the year at a glance. September is the 6th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 16°13216.913.55.8
Feb26° / 16°11714.212.96.1
Mar24° / 14°9012.812.26.7
Apr22° / 11°457.411.47.4
May20° / 183.110.78.1
Jun18° / 81.410.47.9
Jul18° / 30.810.58.0
Aug21° / 101.911.18.5
Sep24° / 10°213.411.88.6
Oct25° / 13°7310.412.67.1
Nov26° / 14°9913.913.36.2
Dec26° / 15°14118.513.65.6

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 72% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 13% of September, with mostly cloudy or overcast conditions the remaining 15%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
19010
29010
39010
48911
58911
68911
78911
88812
98812
108812
118812
128713
138614
148614
158614
168515
178416
188416
198416
208317
218317
228218
238218
248218
258119
268119
278119
288020
298020
307921

Chance of precipitation in September

Any precipitation

Soweto gets around 21 mm of rain over 3.4 wet days in September. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 12% and peaks near 21% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
18
28
38
48
58
69
79
89
99
1010
1110
1210
1311
1411
1511
1611
1712
1812
1912
2013
2113
2214
2315
2415
2516
2617
2718
2819
2919
3021

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
11000
21000
31000
41000
51000
61000
71000
81000
91000
101000
111000
121000
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
27991
28991
29991
30991

Wind in September

Winds average 13 km/h in September, the windiest month of the year.

Across September, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 30 min at the start of September to 12 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 42 minutes over September. Sunrise moves from 6:25 AM to 5:51 AM, and sunset from 5:52 PM to 6:04 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.56:255:52
211.56:235:52
311.56:225:53
411.56:215:53
511.66:205:54
611.66:195:54
711.66:185:55
811.66:175:55
911.76:165:55
1011.76:145:56
1111.76:135:56
1211.76:125:57
1311.86:115:57
1411.86:105:57
1511.86:095:58
1611.86:075:58
1711.96:065:59
1811.96:055:59
1911.96:046:00
2012.06:036:00
2112.06:026:00
2212.06:006:01
2312.05:596:01
2412.15:586:02
2512.15:576:02
2612.15:566:03
2712.15:556:03
2812.25:546:04
2912.25:526:04
3012.25:516:04

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.08 kWh/m².

For context, solar energy here swings from a low near 3.91 kWh/m² to a high of 6.88 kWh/m² in December across the year — September's 6.08 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.6Bright
25.7Bright
35.7Bright
45.7Bright
55.8Bright
65.8Bright
75.8Bright
85.9Bright
95.9Bright
105.9Bright
116.0Bright
126.0Bright
136.0Intense
146.0Intense
156.0Intense
166.1Intense
176.1Intense
186.1Intense
196.2Intense
206.2Intense
216.2Intense
226.2Intense
236.3Intense
246.3Intense
256.3Intense
266.3Intense
276.4Intense
286.4Intense
296.4Intense
306.4Intense
Planning a trip in September

Hazard calendar for Soweto

In seasonPeak

None of Soweto's seasonal hazards are active in September. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Soweto's rainy season runs October–March, when most of the year's rain falls.

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

Is September a good time to visit Soweto?

Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

8.6
Sightseeing
1st-best month of the year
7.3
Beach & pool
1st-best month of the year

September is one of the better times to visit Soweto for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Soweto in September

From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In September, Soweto sees daytime highs around 24°C and nights near 10°C. Pack sun protection. Worth having: light clothes. About 3 days see rain.

sun protectionlight clothes

UV index in Soweto in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Soweto peaks around January 13 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 5 (high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 13UV 14Jun 19UV 5
UV index (midday)Level
Jan15Extreme
Feb13Extreme
Mar12Extreme
Apr8Very high
May6High
Jun5High
Jul6High
Aug7Very high
Sep9Very high
Oct10Extreme
Nov12Extreme
Dec14Extreme

Air quality in Soweto in September

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where September falls, not just the annual average.

Air quality in Soweto is worst in June — around 283 µg/m³ PM2.5 (very unhealthy), about 5.7× the cleanest month (January, 50 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0306090120150180210240270300JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyVery unhealthyUnhealthyJun 19282 µg/m³Jan 1251 µg/m³
PM2.5 (µg/m³)Level
Jan50Poor
Feb72Unhealthy
Mar119Unhealthy
Apr177Very unhealthy
May261Very unhealthy
Jun283Very unhealthy
Jul275Very unhealthy
Aug213Very unhealthy
Sep156Very unhealthy
Oct99Unhealthy
Nov70Unhealthy
Dec55Poor
Location & terrain

Where is Soweto?

Soweto sits at 26.3°S, 27.9°E, 1,632 m above sea level, in South Africa. The nearest listed city is Roodepoort, 12 km away.

Topography around Soweto

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Soweto.

Within 3 km, the terrain around Soweto has only modest variations in elevation — a maximum elevation change of 110 m around an average of 1,604 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 284 m; within 80 km, large variations in elevation — a maximum elevation change of 865 m.

The land around Soweto is covered by artificial surfaces (70%) and grassland (20%) within 3 km, grassland (44%) and artificial surfaces (36%) within 16 km, and grassland (56%) and cropland (22%) within 80 km.

3 km
110 m
16 km
284 m
80 km
865 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Roodepoort 12 km · Randfontein 18 km · Johannesburg 20 km · Westonaria 22 km · Krugersdorp 22 km · Randburg 24 km · Alberton 26 km · Tokoza 29 km

South Africa travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / M / N
230 V · 50 Hz
Prices
≈ 41% of US
price level, 2025
GDP per capita
$6,598
2025
Happiness
5.0 / 10
World Happiness, 2025
Safe drinking water
68%
of population, 2024
Homicide rate
43.7
per 100k, 2022
Road deaths
22.2
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Very high
EF EPI 602
Religion
Christian 86%or other traditional African religions 5%nothing in particular 5%Muslim 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Soweto (-26.2678°, 27.8585°, elevation 1,632 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).