Potchefstroom weather in September

In September, Potchefstroom sees average daytime highs of 26°C and overnight lows near 11°C, with 16 mm of rain across 3.1 wet days and about 11.8 hours of daylight. It is the 7th-warmest and 9th-wettest month of the year here.

Highs climb over the month, from about 25°C in the first days to 27°C by the end. The sky is clear or mostly clear about 73% of the time in September, and the air most often feels dry.

Daylight stretches from about 11 h 24 min at the start of September to 12 h 12 min by month's end. Set against the rest of the year, September is Potchefstroom's 5th-clearest and 3rd-windiest month. For the whole year in context, see Potchefstroom's year-round climate.

Daytime high: 26°; 7th warmest
Overnight low: 11°; 5th coldest
Rainfall: 16 mm; 3.1 wet days
Daylight: 11 h 48 min; 6:11 AM – 6:01 PM
Cloud cover: 24%; 5th clearest
Wind: 13 km/h; 3rd windiest
Solar energy: 6.12 kWh/m²
Travel score: 8.3; out of 10

Potchefstroom is city in the North West Province of South Africa.

Density: 968/km²; people per km²
Founded: 1838

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

← August Potchefstroom year-round climate October →Best places to visit in September

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

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 25°C in the first days to 27°C by the end.

A typical September day in Potchefstroom reaches about 26°C in the afternoon and slips back to 11°C overnight — a 16°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 31°C. Set against its neighbours, September runs about 4°C warmer than August and about 2°C cooler than October.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Avg high (°C)	25	25	25	25	25	26	26	26	26	26	26	26	26	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	28	28
Avg low (°C)	9	9	9	9	9	10	10	10	10	10	10	11	11	11	11	11	11	11	11	12	12	12	12	12	12	12	12	12	13	13

	Avg high (°C)	Avg low (°C)
1	25	9
2	25	9
3	25	9
4	25	9
5	25	9
6	26	10
7	26	10
8	26	10
9	26	10
10	26	10
11	26	10
12	26	11
13	26	11
14	27	11
15	27	11
16	27	11
17	27	11
18	27	11
19	27	11
20	27	12
21	27	12
22	27	12
23	27	12
24	27	12
25	27	12
26	27	12
27	27	12
28	27	12
29	28	13
30	28	13

How September really feels in Potchefstroom

Once humidity and wind are folded in, September averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C

heat index over the day's high

Days feeling ≤ 0°C

wind chill below the day's low

September sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Potchefstroom weather by month

How September compares with the rest of the year at a glance. September is the 7th-warmest and 9th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	29° / 18°	109	14.9	13.5	5.1
Feb	28° / 17°	92	12.3	12.9	5.8
Mar	27° / 15°	76	10.8	12.2	6.7
Apr	25° / 12°	39	6.8	11.4	7.8
May	22° / 7°	19	2.9	10.7	8.6
Jun	20° / 3°	9	1.5	10.4	8.3
Jul	20° / 3°	4	0.7	10.5	8.5
Aug	23° / 6°	11	1.8	11.1	8.9
Sep	26° / 11°	16	3.1	11.8	8.3
Oct	28° / 14°	65	9.7	12.6	6.6
Nov	28° / 15°	82	12.2	13.3	5.6
Dec	29° / 17°	112	16.1	13.6	5.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 73% 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 14%. Skies tend to cloud over as the month goes on.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Clearer (%)	91	91	91	91	90	89	89	88	88	88	87	87	86	86	86	85	85	85	85	85	85	85	84	84	84	84	84	84	83	83
Cloudier (%)	9	9	9	9	10	11	11	12	12	12	13	13	14	14	14	15	15	15	15	15	15	15	16	16	16	16	16	16	17	17

	Clearer (%)	Cloudier (%)
1	91	9
2	91	9
3	91	9
4	91	9
5	90	10
6	89	11
7	89	11
8	88	12
9	88	12
10	88	12
11	87	13
12	87	13
13	86	14
14	86	14
15	86	14
16	85	15
17	85	15
18	85	15
19	85	15
20	85	15
21	85	15
22	85	15
23	84	16
24	84	16
25	84	16
26	84	16
27	84	16
28	84	16
29	83	17
30	83	17

Chance of precipitation in September

Any precipitation

Potchefstroom gets around 16 mm of rain over 3.1 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 11% and peaks near 20% on the wettest days. The odds climb toward the end of the month.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Rain chance (%)	8	8	8	8	8	8	8	8	8	8	8	8	9	9	9	10	10	10	11	11	12	13	13	14	15	16	17	18	19	20

	Rain chance (%)
1	8
2	8
3	8
4	8
5	8
6	8
7	8
8	8
9	8
10	8
11	8
12	8
13	9
14	9
15	9
16	10
17	10
18	10
19	11
20	11
21	12
22	13
23	13
24	14
25	15
26	16
27	17
28	18
29	19
30	20

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.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Dry (%)	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	99	99	99	99	98	98
Comfortable (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	1	1	1	2	2

	Dry (%)	Comfortable (%)
1	100	0
2	100	0
3	100	0
4	100	0
5	100	0
6	100	0
7	100	0
8	100	0
9	100	0
10	100	0
11	100	0
12	100	0
13	100	0
14	100	0
15	100	0
16	100	0
17	100	0
18	100	0
19	100	0
20	100	0
21	100	0
22	100	0
23	100	0
24	100	0
25	99	1
26	99	1
27	99	1
28	99	1
29	98	2
30	98	2

Wind in September

Winds average 13 km/h in September.

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.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Wind speed (km/h)	12	12	12	12	12	12	12	12	12	12	12	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13
Feels	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze

	Wind speed (km/h)	Feels
1	12	light breeze
2	12	light breeze
3	12	light breeze
4	12	light breeze
5	12	light breeze
6	12	light breeze
7	12	light breeze
8	12	light breeze
9	12	light breeze
10	12	light breeze
11	12	light breeze
12	13	light breeze
13	13	light breeze
14	13	light breeze
15	13	light breeze
16	13	light breeze
17	13	light breeze
18	13	light breeze
19	13	light breeze
20	13	light breeze
21	13	light breeze
22	13	light breeze
23	13	light breeze
24	13	light breeze
25	13	light breeze
26	13	light breeze
27	13	light breeze
28	13	light breeze
29	13	light breeze
30	13	light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 24 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 48 minutes over September. Sunrise moves from 6:28 AM to 5:54 AM, and sunset from 5:55 PM to 6:08 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Daylight (h)	11.4	11.5	11.5	11.5	11.6	11.6	11.6	11.6	11.7	11.7	11.7	11.7	11.8	11.8	11.8	11.8	11.9	11.9	11.9	12.0	12.0	12.0	12.0	12.1	12.1	12.1	12.1	12.2	12.2	12.2
Sunrise (AM)	6:28	6:27	6:26	6:25	6:23	6:22	6:21	6:20	6:19	6:18	6:16	6:15	6:14	6:13	6:12	6:11	6:09	6:08	6:07	6:06	6:05	6:04	6:02	6:01	6:00	5:59	5:58	5:57	5:55	5:54
Sunset (PM)	5:55	5:55	5:56	5:56	5:56	5:57	5:57	5:58	5:58	5:59	5:59	6:00	6:00	6:00	6:01	6:01	6:02	6:02	6:03	6:03	6:03	6:04	6:04	6:05	6:05	6:06	6:06	6:07	6:07	6:08

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	11.4	6:28	5:55
2	11.5	6:27	5:55
3	11.5	6:26	5:56
4	11.5	6:25	5:56
5	11.6	6:23	5:56
6	11.6	6:22	5:57
7	11.6	6:21	5:57
8	11.6	6:20	5:58
9	11.7	6:19	5:58
10	11.7	6:18	5:59
11	11.7	6:16	5:59
12	11.7	6:15	6:00
13	11.8	6:14	6:00
14	11.8	6:13	6:00
15	11.8	6:12	6:01
16	11.8	6:11	6:01
17	11.9	6:09	6:02
18	11.9	6:08	6:02
19	11.9	6:07	6:03
20	12.0	6:06	6:03
21	12.0	6:05	6:03
22	12.0	6:04	6:04
23	12.0	6:02	6:04
24	12.1	6:01	6:05
25	12.1	6:00	6:05
26	12.1	5:59	6:06
27	12.1	5:58	6:06
28	12.2	5:57	6:07
29	12.2	5:55	6:07
30	12.2	5:54	6:08

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.12 kWh/m².

For context, solar energy here swings from a low near 3.86 kWh/m² to a high of 7.12 kWh/m² in December across the year — September's 6.12 kWh/m² falls in the middle.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Solar energy (kWh/m²)	5.6	5.7	5.7	5.8	5.8	5.8	5.9	5.9	5.9	6.0	6.0	6.0	6.0	6.1	6.1	6.1	6.2	6.2	6.2	6.2	6.3	6.3	6.3	6.3	6.4	6.4	6.4	6.4	6.5	6.5
Level	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense

	Solar energy (kWh/m²)	Level
1	5.6	Bright
2	5.7	Bright
3	5.7	Bright
4	5.8	Bright
5	5.8	Bright
6	5.8	Bright
7	5.9	Bright
8	5.9	Bright
9	5.9	Bright
10	6.0	Bright
11	6.0	Bright
12	6.0	Intense
13	6.0	Intense
14	6.1	Intense
15	6.1	Intense
16	6.1	Intense
17	6.2	Intense
18	6.2	Intense
19	6.2	Intense
20	6.2	Intense
21	6.3	Intense
22	6.3	Intense
23	6.3	Intense
24	6.3	Intense
25	6.4	Intense
26	6.4	Intense
27	6.4	Intense
28	6.4	Intense
29	6.5	Intense
30	6.5	Intense

Planning a trip in September

Hazard calendar for Potchefstroom

In seasonPeak

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

Potchefstroom'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 Potchefstroom?

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

8.3

Sightseeing

4th-best month of the year

8.0

Beach & pool

1st-best month of the year

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

What to pack for Potchefstroom in September

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

In September, Potchefstroom sees daytime highs around 26°C and nights near 11°C. Pack sun protection. Worth having: light clothes. About 3 days see rain.

sun protectionlight clothes

UV index in Potchefstroom 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 Potchefstroom peaks around January 13 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 5 (high).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	15	13	12	9	6	5	5	7	9	10	12	14
Level	Extreme	Extreme	Extreme	Very high	High	Moderate	High	Very high	Very high	Very high	Extreme	Extreme

	UV index (midday)	Level
Jan	15	Extreme
Feb	13	Extreme
Mar	12	Extreme
Apr	9	Very high
May	6	High
Jun	5	Moderate
Jul	5	High
Aug	7	Very high
Sep	9	Very high
Oct	10	Very high
Nov	12	Extreme
Dec	14	Extreme

Air quality in Potchefstroom 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 Potchefstroom is worst in June — around 57 µg/m³ PM2.5 (unhealthy), about 4.6× the cleanest month (December, 12 µg/m³).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	14	19	26	34	48	57	56	45	38	26	15	12
Level	Moderate	Moderate	Moderate	Moderate	Poor	Unhealthy	Unhealthy	Poor	Poor	Moderate	Moderate	Moderate

	PM2.5 (µg/m³)	Level
Jan	14	Moderate
Feb	19	Moderate
Mar	26	Moderate
Apr	34	Moderate
May	48	Poor
Jun	57	Unhealthy
Jul	56	Unhealthy
Aug	45	Poor
Sep	38	Poor
Oct	26	Moderate
Nov	15	Moderate
Dec	12	Moderate

Location & terrain

Where is Potchefstroom?

Potchefstroom sits at 26.7°S, 27.1°E, 1,335 m above sea level, in South Africa. The nearest listed city is Stilfontein, 36 km away.

Topography around Potchefstroom

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

Within 3 km, the terrain around Potchefstroom has only modest variations in elevation — a maximum elevation change of 39 m around an average of 1,338 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 231 m; within 80 km, significant variations in elevation — a maximum elevation change of 528 m.

The land around Potchefstroom is covered by artificial surfaces (47%) and grassland (32%) within 3 km, grassland (71%) within 16 km, and grassland (61%) and cropland (32%) within 80 km.

3 km

39 m

artificial surfaces 47%

16 km

231 m

grassland 71%

80 km

528 m

grassland 61%

treesshrubsgrasslandcroplandartificial surfaces

← August Potchefstroom year-round climate October →Best places to visit in September

September weather nearby: Stilfontein 36 km · Parys 41 km · Vredefort 42 km · Klerksdorp 46 km · Fochville 47 km · Carletonville 49 km · Orkney 52 km · Ventersdorp 53 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

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 Potchefstroom (-26.7167°, 27.1°, elevation 1,335 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).

	Avg high (°C)	Avg low (°C)
1	25	9
2	25	9
3	25	9
4	25	9
5	25	9
6	26	10
7	26	10
8	26	10
9	26	10
10	26	10
11	26	10
12	26	11
13	26	11
14	27	11
15	27	11
16	27	11
17	27	11
18	27	11
19	27	11
20	27	12
21	27	12
22	27	12
23	27	12
24	27	12
25	27	12
26	27	12
27	27	12
28	27	12
29	28	13
30	28	13

	Clearer (%)	Cloudier (%)
1	91	9
2	91	9
3	91	9
4	91	9
5	90	10
6	89	11
7	89	11
8	88	12
9	88	12
10	88	12
11	87	13
12	87	13
13	86	14
14	86	14
15	86	14
16	85	15
17	85	15
18	85	15
19	85	15
20	85	15
21	85	15
22	85	15
23	84	16
24	84	16
25	84	16
26	84	16
27	84	16
28	84	16
29	83	17
30	83	17

	Rain chance (%)
1	8
2	8
3	8
4	8
5	8
6	8
7	8
8	8
9	8
10	8
11	8
12	8
13	9
14	9
15	9
16	10
17	10
18	10
19	11
20	11
21	12
22	13
23	13
24	14
25	15
26	16
27	17
28	18
29	19
30	20

	Dry (%)	Comfortable (%)
1	100	0
2	100	0
3	100	0
4	100	0
5	100	0
6	100	0
7	100	0
8	100	0
9	100	0
10	100	0
11	100	0
12	100	0
13	100	0
14	100	0
15	100	0
16	100	0
17	100	0
18	100	0
19	100	0
20	100	0
21	100	0
22	100	0
23	100	0
24	100	0
25	99	1
26	99	1
27	99	1
28	99	1
29	98	2
30	98	2

	Avg high (°C)	Avg low (°C)
1	25	9
2	25	9
3	25	9
4	25	9
5	25	9
6	26	10
7	26	10
8	26	10
9	26	10
10	26	10
11	26	10
12	26	11
13	26	11
14	27	11
15	27	11
16	27	11
17	27	11
18	27	11
19	27	11
20	27	12
21	27	12
22	27	12
23	27	12
24	27	12
25	27	12
26	27	12
27	27	12
28	27	12
29	28	13
30	28	13

	Clearer (%)	Cloudier (%)
1	91	9
2	91	9
3	91	9
4	91	9
5	90	10
6	89	11
7	89	11
8	88	12
9	88	12
10	88	12
11	87	13
12	87	13
13	86	14
14	86	14
15	86	14
16	85	15
17	85	15
18	85	15
19	85	15
20	85	15
21	85	15
22	85	15
23	84	16
24	84	16
25	84	16
26	84	16
27	84	16
28	84	16
29	83	17
30	83	17

	Rain chance (%)
1	8
2	8
3	8
4	8
5	8
6	8
7	8
8	8
9	8
10	8
11	8
12	8
13	9
14	9
15	9
16	10
17	10
18	10
19	11
20	11
21	12
22	13
23	13
24	14
25	15
26	16
27	17
28	18
29	19
30	20

	Dry (%)	Comfortable (%)
1	100	0
2	100	0
3	100	0
4	100	0
5	100	0
6	100	0
7	100	0
8	100	0
9	100	0
10	100	0
11	100	0
12	100	0
13	100	0
14	100	0
15	100	0
16	100	0
17	100	0
18	100	0
19	100	0
20	100	0
21	100	0
22	100	0
23	100	0
24	100	0
25	99	1
26	99	1
27	99	1
28	99	1
29	98	2
30	98	2

	Avg high (°C)	Avg low (°C)
1	25	9
2	25	9
3	25	9
4	25	9
5	25	9
6	26	10
7	26	10
8	26	10
9	26	10
10	26	10
11	26	10
12	26	11
13	26	11
14	27	11
15	27	11
16	27	11
17	27	11
18	27	11
19	27	11
20	27	12
21	27	12
22	27	12
23	27	12
24	27	12
25	27	12
26	27	12
27	27	12
28	27	12
29	28	13
30	28	13

	Clearer (%)	Cloudier (%)
1	91	9
2	91	9
3	91	9
4	91	9
5	90	10
6	89	11
7	89	11
8	88	12
9	88	12
10	88	12
11	87	13
12	87	13
13	86	14
14	86	14
15	86	14
16	85	15
17	85	15
18	85	15
19	85	15
20	85	15
21	85	15
22	85	15
23	84	16
24	84	16
25	84	16
26	84	16
27	84	16
28	84	16
29	83	17
30	83	17

	Rain chance (%)
1	8
2	8
3	8
4	8
5	8
6	8
7	8
8	8
9	8
10	8
11	8
12	8
13	9
14	9
15	9
16	10
17	10
18	10
19	11
20	11
21	12
22	13
23	13
24	14
25	15
26	16
27	17
28	18
29	19
30	20

	Dry (%)	Comfortable (%)
1	100	0
2	100	0
3	100	0
4	100	0
5	100	0
6	100	0
7	100	0
8	100	0
9	100	0
10	100	0
11	100	0
12	100	0
13	100	0
14	100	0
15	100	0
16	100	0
17	100	0
18	100	0
19	100	0
20	100	0
21	100	0
22	100	0
23	100	0
24	100	0
25	99	1
26	99	1
27	99	1
28	99	1
29	98	2
30	98	2