Hartbeestfontein-A weather in September

In September, Hartbeestfontein-A sees average daytime highs of 28°C and overnight lows near 14°C, with 14 mm of rain across 1.8 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 27°C in the first days to 29°C by the end. The sky is clear or mostly clear about 78% 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 Hartbeestfontein-A's 5th-clearest and 2nd-windiest month. For the whole year in context, see Hartbeestfontein-A's year-round climate.

Daytime high
28°
7th warmest
Overnight low
14°
5th coldest
Rainfall
14 mm
1.8 wet days
Daylight
11 h 54 min
6:09 AM – 6:00 PM
Cloud cover
22%
5th clearest
Wind
9 km/h
2nd windiest
Solar energy
6.06 kWh/m²
Travel score
7.7
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 27°C in the first days to 29°C by the end.

A typical September day in Hartbeestfontein-A reaches about 28°C in the afternoon and slips back to 14°C overnight — a 15°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 33°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)
12711
22712
32712
42712
52712
62712
72712
82812
92813
102813
112813
122813
132813
142813
152814
162814
172814
182914
192914
202914
212914
222914
232915
242915
252915
262915
272915
282915
292915
302915

Hartbeestfontein-A 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.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 20°9512.713.44.9
Feb30° / 20°861012.95.2
Mar28° / 18°738.812.26.3
Apr26° / 14°365.611.47.8
May24° / 10°182.410.89.0
Jun21° / 6110.48.8
Jul21° / 30.510.68.9
Aug24° / 51.211.19.2
Sep28° / 14°141.811.87.7
Oct30° / 16°527.212.65.9
Nov30° / 18°8110.813.25.2
Dec30° / 19°11113.913.64.9

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 78% 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 13%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1919
2919
3919
4928
5919
6919
7919
89010
99010
108911
118812
128812
138812
148614
158614
168614
178515
188416
198416
208416
218416
228416
238416
248317
258317
268317
278416
288416
298416
308416

Chance of precipitation in September

Any precipitation

Hartbeestfontein-A gets around 14 mm of rain over 1.8 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 7% and peaks near 13% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
16
26
35
45
55
65
75
85
95
105
115
125
135
145
155
165
175
185
195
206
216
227
237
248
259
2610
2711
2812
2912
3013

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 97% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
19910
29910
39910
49910
59910
69910
79910
89910
99910
109910
119910
129910
139910
149910
159910
169910
179910
189910
199910
209820
219820
229820
239730
249640
259550
269550
279460
289280
299190
3089101

Wind in September

Winds average 9 km/h in September.

Across September, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
2710calm
2810calm
2910calm
3010calm

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 5:53 AM, and sunset from 5:54 PM to 6:06 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.56:255:54
211.56:245:54
311.56:235:55
411.66:225:55
511.66:215:56
611.66:205:56
711.66:195:56
811.76:185:57
911.76:175:57
1011.76:155:58
1111.76:145:58
1211.86:135:58
1311.86:125:59
1411.86:115:59
1511.86:105:59
1611.96:096:00
1711.96:086:00
1811.96:066:01
1911.96:056:01
2012.06:046:01
2112.06:036:02
2212.06:026:02
2312.06:016:03
2412.16:006:03
2512.15:586:03
2612.15:576:04
2712.15:566:04
2812.25:556:05
2912.25:546:05
3012.25:536:06

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.06 kWh/m².

For context, solar energy here swings from a low near 3.92 kWh/m² to a high of 6.76 kWh/m² in December across the year — September's 6.06 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
85.8Bright
95.9Bright
105.9Bright
115.9Bright
126.0Bright
136.0Bright
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
276.3Intense
286.4Intense
296.4Intense
306.4Intense
Planning a trip in September

Hazard calendar for Hartbeestfontein-A

In seasonPeak

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

Hartbeestfontein-A'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 Hartbeestfontein-A?

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

7.7
Sightseeing
6th-best month of the year
8.7
Beach & pool
1st-best month of the year

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

What to pack for Hartbeestfontein-A in September

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

In September, Hartbeestfontein-A sees daytime highs around 28°C and nights near 14°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Hartbeestfontein-A 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 Hartbeestfontein-A peaks around January 10 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 17 at about 5 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighHighVery highExtremeJan 10UV 14Jun 17UV 5
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar12Extreme
Apr9Very high
May6High
Jun5Moderate
Jul6High
Aug7Very high
Sep9Very high
Oct11Extreme
Nov12Extreme
Dec14Extreme

Air quality in Hartbeestfontein-A 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 Hartbeestfontein-A is worst in June — around 166 µg/m³ PM2.5 (very unhealthy), about 6.5× the cleanest month (January, 26 µg/m³).

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

0306090120150180JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorUnhealthyVery unhealthyUnhealthyPoorModerateJun 21166 µg/m³Jan 1126 µg/m³
PM2.5 (µg/m³)Level
Jan26Moderate
Feb40Poor
Mar62Unhealthy
Apr103Unhealthy
May152Very unhealthy
Jun166Very unhealthy
Jul164Very unhealthy
Aug125Unhealthy
Sep93Unhealthy
Oct53Poor
Nov38Poor
Dec28Moderate
Location & terrain

Where is Hartbeestfontein-A?

Hartbeestfontein-A sits at 25.4°S, 27.5°E, 1,117 m above sea level, in South Africa. The nearest listed city is Marikana, 29 km away.

Topography around Hartbeestfontein-A

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

Within 3 km, the terrain around Hartbeestfontein-A has only modest variations in elevation — a maximum elevation change of 129 m around an average of 1,083 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 241 m; within 80 km, large variations in elevation — a maximum elevation change of 939 m.

The land around Hartbeestfontein-A is covered by grassland (48%) and shrubs (29%) within 3 km, grassland (40%) and shrubs (39%) within 16 km, and grassland (41%) and shrubs (33%) within 80 km.

3 km
129 m
16 km
241 m
80 km
939 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Marikana 29 km · Letlhabile 33 km · Brits 35 km · Rustenburg 37 km · Hartbeespoort 48 km · Ga-Rankuwa 52 km · Mabopane 56 km · Soshanguve 59 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 Hartbeestfontein-A (-25.4414°, 27.5111°, elevation 1,117 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).