Phalaborwa weather in September

In September, Phalaborwa sees average daytime highs of 29°C and overnight lows near 17°C, with 11 mm of rain across 2 wet days and about 11.9 hours of daylight. It is the 8th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 65% 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 Phalaborwa's 5th-clearest and 4th-windiest month. For the whole year in context, see Phalaborwa's year-round climate.

Daytime high
29°
8th warmest
Overnight low
17°
5th coldest
Rainfall
11 mm
2 wet days
Daylight
11 h 54 min
5:54 AM – 5:46 PM
Cloud cover
33%
5th clearest
Wind
12 km/h
4th windiest
Solar energy
5.3 kWh/m²
Travel score
6.8
out of 10

Phalaborwa is town in South Africa.

Founded
1957

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

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical September day in Phalaborwa reaches about 29°C in the afternoon and slips back to 17°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 36°C. Set against its neighbours, September runs about 2°C warmer than August and about 1°C cooler than October.

10°20°30°40°151015202530
Avg high (°C)Avg low (°C)
12815
22916
32916
42916
52916
62916
72916
82916
92916
102916
112916
122916
132917
142917
152917
162917
172917
182917
192917
203017
213017
223017
233017
243017
253018
263018
273018
283018
293018
303018

How September really feels in Phalaborwa

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
0
heat index over the day's high
Days feeling ≤ C
0
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.

Phalaborwa weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 22°949.413.34.2
Feb32° / 22°68812.84.3
Mar31° / 21°436.412.25.0
Apr29° / 19°213.811.56.4
May28° / 15°91.710.98.1
Jun26° / 13°40.810.68.9
Jul25° / 12°50.610.79.0
Aug27° / 14°4111.28.4
Sep29° / 17°11211.96.8
Oct30° / 19°24412.65.8
Nov31° / 20°627.913.24.7
Dec32° / 22°939.813.54.2

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 65% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 9% of September, with mostly cloudy or overcast conditions the remaining 26%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18020
28020
37921
47921
57822
67822
77822
87723
97723
107624
117723
127624
137525
147525
157525
167426
177426
187426
197327
207327
217327
227228
237129
247129
256931
266931
276931
286832
296832
306733

Chance of precipitation in September

Any precipitation

Phalaborwa gets around 11 mm of rain over 2 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 6% and peaks near 9% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
15
25
35
46
56
66
76
86
96
106
116
126
136
146
156
165
175
185
195
206
216
226
237
247
257
267
278
288
298
309

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 60% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1762130
2752230
3742330
4732430
5732430
6712540
7702640
8682840
9672940
10663040
11653140
12633250
13623350
14623350
15613450
16593560
17583660
18573670
19553780
20553780
21533890
225238100
235238100
245138110
255038120
264938130
274838140
284737151
294737151
304637161

Wind in September

Winds average 12 km/h in September.

Across September, daily wind ranges from about 11 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
111calm
211calm
311calm
412calm
512calm
612calm
712calm
812calm
912calm
1012calm
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light 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 6:10 AM to 5:39 AM, and sunset from 5:40 PM to 5:51 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.56:105:40
211.56:095:41
311.66:085:41
411.66:075:42
511.66:065:42
611.66:055:42
711.76:045:43
811.76:035:43
911.76:015:43
1011.76:005:44
1111.75:595:44
1211.85:585:44
1311.85:575:45
1411.85:565:45
1511.85:555:45
1611.95:545:46
1711.95:535:46
1811.95:525:46
1911.95:515:47
2012.05:505:47
2112.05:485:47
2212.05:475:48
2312.05:465:48
2412.15:455:48
2512.15:445:49
2612.15:435:49
2712.15:425:50
2812.15:415:50
2912.25:405:50
3012.25:395:51

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.3 kWh/m².

For context, solar energy here swings from a low near 3.76 kWh/m² to a high of 5.98 kWh/m² in December across the year — September's 5.3 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.1Bright
45.1Bright
55.2Bright
65.2Bright
75.2Bright
85.2Bright
95.2Bright
105.2Bright
115.2Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.3Bright
175.3Bright
185.3Bright
195.3Bright
205.4Bright
215.4Bright
225.4Bright
235.4Bright
245.4Bright
255.4Bright
265.4Bright
275.4Bright
285.5Bright
295.5Bright
305.5Bright
Planning a trip in September

Is September a good time to visit Phalaborwa?

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

6.8
Sightseeing
5th-best month of the year
8.7
Beach & pool
1st-best month of the year

September is a reasonable time to visit Phalaborwa for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Phalaborwa in September

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

In September, Phalaborwa sees daytime highs around 29°C and nights near 17°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Phalaborwa in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Phalaborwa peaks around January 20 at about 14 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 20UV 14Jun 20UV 5
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar12Extreme
Apr8Very high
May6High
Jun5High
Jul5High
Aug7Very high
Sep8Very high
Oct10Very high
Nov12Extreme
Dec12Extreme

Air quality in Phalaborwa 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 Phalaborwa is worst in September — around 16 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (January, 7 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1516 µg/m³Jan 147 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb8Good
Mar8Good
Apr11Good
May15Moderate
Jun13Moderate
Jul15Moderate
Aug13Moderate
Sep16Moderate
Oct12Good
Nov9Good
Dec7Good
Location & terrain

Where is Phalaborwa?

Phalaborwa sits at 23.9°S, 31.1°E, 435 m above sea level, in South Africa. The nearest listed city is Acornhoek, 72 km away.

Topography around Phalaborwa

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

Within 3 km, the terrain around Phalaborwa has significant variations in elevation — a maximum elevation change of 257 m around an average of 426 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 788 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,179 m.

The land around Phalaborwa is covered by trees (39%) and shrubs (27%) within 3 km, shrubs (64%) within 16 km, and shrubs (65%) and grassland (21%) within 80 km.

3 km
257 m
16 km
788 m
80 km
2,179 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Acornhoek 72 km · Giyani 83 km · Nkowakowa 87 km · Thulamahashi 87 km · Mafemani 94 km · Dwarsloop 95 km · Tzaneen 100 km · Duiwelskloof 106 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 Phalaborwa (-23.943°, 31.1411°, elevation 435 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).