Middelburg weather in September

In September, Middelburg sees average daytime highs of 25°C and overnight lows near 11°C, with 18 mm of rain across 3.4 wet days and about 11.8 hours of daylight. It is the 7th-warmest and 8th-wettest month of the year here.

Highs climb over the month, from about 24°C in the first days to 26°C by the end. The sky is clear or mostly clear about 74% 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 Middelburg's 5th-clearest and 2nd-windiest month. For the whole year in context, see Middelburg's year-round climate.

Daytime high
25°
7th warmest
Overnight low
11°
5th coldest
Rainfall
18 mm
3.4 wet days
Daylight
11 h 54 min
6:01 AM – 5:52 PM
Cloud cover
25%
5th clearest
Wind
11 km/h
2nd windiest
Solar energy
6.01 kWh/m²
Travel score
8.6
out of 10

Middelburg is town in Mpumalanga, South Africa.

Founded
1864

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 24°C in the first days to 26°C by the end.

A typical September day in Middelburg reaches about 25°C in the afternoon and slips back to 11°C overnight — a 14°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 29°C. Set against its neighbours, September runs about 3°C warmer than August and about 1°C cooler than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
1249
2249
32410
42410
52410
62410
72410
82410
92510
102510
112511
122511
132511
142511
152511
162511
172511
182511
192511
202512
212512
222512
232512
242612
252612
262612
272612
282612
292612
302612

Middelburg 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
Jan26° / 16°12215.613.45.9
Feb26° / 16°9111.912.96.3
Mar25° / 15°8611.212.26.9
Apr23° / 12°406.111.47.8
May21° / 152.510.88.4
Jun19° / 51.110.48.2
Jul19° / 60.810.68.3
Aug22° / 91.511.18.7
Sep25° / 11°183.411.88.6
Oct26° / 13°6810.412.67.0
Nov25° / 14°10214.313.36.1
Dec26° / 16°11516.613.65.7

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 74% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 12% 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 (%)
18911
28911
38911
48911
58911
68812
78812
88812
98812
108614
118614
128614
138614
148515
158515
168515
178515
188515
198515
208416
218416
228416
238317
248317
258218
268218
278218
288119
298119
308020

Chance of precipitation in September

Any precipitation

Middelburg gets around 18 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 (%)
17
27
38
48
58
68
79
89
99
109
119
129
1310
1410
1510
1610
1710
1811
1911
2012
2112
2213
2314
2415
2516
2617
2718
2819
2920
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
24991
25991
26991
27991
28991
29982
30982

Wind in September

Winds average 11 km/h in September.

Across September, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm

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 6:18 AM to 5:45 AM, and sunset from 5:46 PM to 5:58 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.56:185:46
211.56:175:46
311.56:165:47
411.56:155:47
511.66:135:48
611.66:125:48
711.66:115:48
811.66:105:49
911.76:095:49
1011.76:085:50
1111.76:075:50
1211.76:065:50
1311.86:045:51
1411.86:035:51
1511.86:025:52
1611.96:015:52
1711.96:005:52
1811.95:595:53
1911.95:575:53
2012.05:565:54
2112.05:555:54
2212.05:545:54
2312.05:535:55
2412.15:525:55
2512.15:515:56
2612.15:505:56
2712.15:485:57
2812.25:475:57
2912.25:465:57
3012.25:455:58

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.01 kWh/m².

For context, solar energy here swings from a low near 3.97 kWh/m² to a high of 6.6 kWh/m² in December across the year — September's 6.01 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.7Bright
45.7Bright
55.7Bright
65.8Bright
75.8Bright
85.8Bright
95.8Bright
105.9Bright
115.9Bright
125.9Bright
136.0Bright
146.0Bright
156.0Intense
166.0Intense
176.0Intense
186.1Intense
196.1Intense
206.1Intense
216.1Intense
226.2Intense
236.2Intense
246.2Intense
256.2Intense
266.2Intense
276.3Intense
286.3Intense
296.3Intense
306.3Intense
Planning a trip in September

Hazard calendar for Middelburg

In seasonPeak

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

Middelburg'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 Middelburg?

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

8.6
Sightseeing
2nd-best month of the year
7.5
Beach & pool
1st-best month of the year

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

What to pack for Middelburg in September

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

In September, Middelburg sees daytime highs around 25°C and nights near 11°C. Pack sun protection. Worth having: light clothes. About 3 days see rain.

sun protectionlight clothes

UV index in Middelburg 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 Middelburg peaks around January 14 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 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 14UV 14Jun 18UV 5
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar12Extreme
Apr8Very high
May6High
Jun5High
Jul6High
Aug8Very high
Sep9Very high
Oct10Very high
Nov12Extreme
Dec14Extreme

Air quality in Middelburg 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 Middelburg is worst in July — around 74 µg/m³ PM2.5 (unhealthy), about 5.1× the cleanest month (December, 15 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorUnhealthyPoorModerateJul 1473 µg/m³Dec 2315 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb20Moderate
Mar26Moderate
Apr41Poor
May59Unhealthy
Jun66Unhealthy
Jul74Unhealthy
Aug59Unhealthy
Sep48Poor
Oct29Moderate
Nov18Moderate
Dec15Moderate
Location & terrain

Where is Middelburg?

Middelburg sits at 25.8°S, 29.5°E, 1,479 m above sea level, in South Africa. The nearest listed city is Emalahleni, 26 km away.

Topography around Middelburg

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

Within 3 km, the terrain around Middelburg has only modest variations in elevation — a maximum elevation change of 109 m around an average of 1,478 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 343 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,404 m.

The land around Middelburg is covered by artificial surfaces (50%) and grassland (34%) within 3 km, grassland (65%) and cropland (22%) within 16 km, and grassland (60%) and cropland (26%) within 80 km.

3 km
109 m
16 km
343 m
80 km
1,404 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Emalahleni 26 km · Hendrina 49 km · Phola 50 km · Thubelihle 52 km · Verena 55 km · Kriel 57 km · Belfast 58 km · Kwaggafontein 72 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 Middelburg (-25.7751°, 29.4648°, elevation 1,479 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).