Komatipoort weather in September

In September, Komatipoort sees average daytime highs of 29°C and overnight lows near 17°C, with 20 mm of rain across 2.9 wet days and about 11.8 hours of daylight. It is the 7th-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 59% of the time in September, and the air most often feels comfortable.

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 Komatipoort's 5th-clearest and 1st-windiest month. For the whole year in context, see Komatipoort's year-round climate.

Daytime high
29°
7th warmest
Overnight low
17°
5th coldest
Rainfall
20 mm
2.9 wet days
Daylight
11 h 54 min
5:51 AM – 5:42 PM
Cloud cover
38%
5th clearest
Wind
13 km/h
1st windiest
Solar energy
4.92 kWh/m²
Travel score
6.8
out of 10

Komatipoort is town in Mpumalanga, South Africa.

Founded
1874

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 Komatipoort reaches about 29°C in the afternoon and slips back to 17°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 35°C. Set against its neighbours, September runs about 2°C warmer than August and on par with October.

10°20°30°40°151015202530
Avg high (°C)Avg low (°C)
12816
22817
32917
42917
52917
62917
72917
82917
92917
102917
112917
122917
132917
142917
152917
162918
172918
182918
192918
202918
212918
222918
232918
242918
252918
262918
272918
282918
292918
302918

How September really feels in Komatipoort

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.

Komatipoort weather by month

How September compares with the rest of the year at a glance. September is the 7th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 22°9910.613.44.3
Feb31° / 22°8810.112.94.2
Mar31° / 21°618.612.25.0
Apr29° / 19°305.211.46.4
May28° / 16°142.310.88.1
Jun26° / 14°61.710.48.8
Jul26° / 13°6110.68.9
Aug27° / 15°91.811.18.3
Sep29° / 17°202.911.86.8
Oct29° / 19°375.612.66.0
Nov30° / 20°72913.25.0
Dec31° / 22°10111.113.64.4

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 59% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 10% of September, with mostly cloudy or overcast conditions the remaining 31%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17921
27822
37822
47822
57723
67624
77624
87525
97426
107327
117228
127129
137030
147030
156832
166832
176733
186733
196634
206535
216535
226436
236436
246337
256337
266337
276238
286139
296139
306040

Chance of precipitation in September

Any precipitation

Komatipoort gets around 20 mm of rain over 2.9 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 10% and peaks near 13% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
17
27
37
48
58
68
78
89
99
109
119
129
139
149
159
169
179
189
199
2010
2110
2210
2311
2411
2511
2612
2712
2812
2912
3013

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the comfortable band about 41% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
15337100
25238100
35139100
45040110
54940110
64841110
74741120
84642120
94542130
104442140
114343140
124243150
134143160
144043171
153943171
163843181
173743201
183543211
193442221
203342232
213242242
223241252
233141262
243040272
253039293
262938303
272937313
282836323
292836334
302735344

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.

05101520151015202530
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light 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 6:08 AM to 5:35 AM, and sunset from 5:36 PM to 5:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.56:085:36
211.56:075:37
311.56:055:37
411.66:045:37
511.66:035:38
611.66:025:38
711.66:015:39
811.76:005:39
911.75:595:39
1011.75:585:40
1111.75:575:40
1211.85:555:41
1311.85:545:41
1411.85:535:41
1511.85:525:42
1611.95:515:42
1711.95:505:42
1811.95:495:43
1911.95:475:43
2012.05:465:44
2112.05:455:44
2212.05:445:44
2312.05:435:45
2412.15:425:45
2512.15:415:46
2612.15:405:46
2712.15:385:47
2812.25:375:47
2912.25:365:47
3012.25:355:48

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.92 kWh/m².

For context, solar energy here swings from a low near 3.56 kWh/m² to a high of 5.74 kWh/m² in January across the year — September's 4.92 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.7Bright
44.8Bright
54.8Bright
64.8Bright
74.8Bright
84.8Bright
94.8Bright
104.9Bright
114.9Bright
124.9Bright
134.9Bright
144.9Bright
154.9Bright
164.9Bright
174.9Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
Planning a trip in September

Hazard calendar for Komatipoort

In seasonPeak

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

Komatipoort's rainy season runs November–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 Komatipoort?

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
8.5
Beach & pool
2nd-best month of the year

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

What to pack for Komatipoort in September

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

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

light clothessun protection

UV index in Komatipoort in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Komatipoort peaks around January 18 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 5 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeHighModerateHighVery highExtremeJan 18UV 13Jun 22UV 5
UV index (midday)Level
Jan13Extreme
Feb13Extreme
Mar11Extreme
Apr7High
May6High
Jun5Moderate
Jul5Moderate
Aug7High
Sep8Very high
Oct9Very high
Nov12Extreme
Dec12Extreme

Air quality in Komatipoort 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 Komatipoort is worst in June — around 42 µg/m³ PM2.5 (poor), about 4.8× the cleanest month (January, 9 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodModeratePoorModerateJun 2041 µg/m³Jan 179 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb11Good
Mar15Moderate
Apr24Moderate
May35Moderate
Jun42Poor
Jul40Poor
Aug36Poor
Sep29Moderate
Oct20Moderate
Nov14Moderate
Dec11Good
Location & terrain

Where is Komatipoort?

Komatipoort sits at 25.4°S, 32.0°E, 159 m above sea level, in South Africa. The nearest listed city is Ressano Garcia, 4.0 km away.

Topography around Komatipoort

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

Within 3 km, the terrain around Komatipoort has only modest variations in elevation — a maximum elevation change of 218 m around an average of 156 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 320 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,415 m.

The land around Komatipoort is covered by trees (34%), grassland (27%) and cropland (27%) within 3 km, grassland (48%), trees (25%) and cropland (20%) within 16 km, and grassland (48%) and trees (29%) within 80 km.

3 km
218 m
16 km
320 m
80 km
1,415 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Ressano Garcia 4.0 km · Kamaqhekeza 28 km · Driekoppies 49 km · Schoemansdal 54 km · Matsulu 61 km · Boane 77 km · Matola 78 km · Tekwane 81 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 Komatipoort (-25.4332°, 31.9548°, elevation 159 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).