Pietermaritzburg weather in September

In September, Pietermaritzburg sees average daytime highs of 24°C and overnight lows near 12°C, with 56 mm of rain across 9.5 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 24°C through the month. The sky is clear or mostly clear about 45% 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 18 min by month's end. Set against the rest of the year, September is Pietermaritzburg's 6th-clearest and 2nd-windiest month. For the whole year in context, see Pietermaritzburg's year-round climate.

Daytime high
24°
7th warmest
Overnight low
12°
5th coldest
Rainfall
56 mm
9.5 wet days
Daylight
11 h 48 min
5:58 AM – 5:47 PM
Cloud cover
49%
6th clearest
Wind
8 km/h
2nd windiest
Solar energy
4.7 kWh/m²
Travel score
7.2
out of 10

Pietermaritzburg is city in KwaZulu-Natal, South Africa.

Density
6,661/km²
people per km²
Founded
1839

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 24°C through the month.

A typical September day in Pietermaritzburg reaches about 24°C in the afternoon and slips back to 12°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 32°C. Set against its neighbours, September runs about 1°C warmer than August and on par with October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12411
22411
32411
42411
52411
62411
72411
82411
92411
102411
112411
122411
132411
142411
152412
162412
172412
182412
192412
202412
212412
222412
232412
242412
252412
262412
272412
282412
292412
302412

Pietermaritzburg 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
Jan27° / 17°1341813.75.3
Feb27° / 17°11314.913.15.5
Mar26° / 16°9614.312.26.1
Apr24° / 14°589.711.37.1
May23° / 10°295.110.58.1
Jun21° / 203.410.18.2
Jul21° / 293.810.38.1
Aug23° / 325.910.97.9
Sep24° / 12°569.511.87.2
Oct24° / 13°9215.412.76.1
Nov25° / 14°11617.213.55.5
Dec26° / 16°12919.213.95.2

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 45% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 14% of September, with mostly cloudy or overcast conditions the remaining 41%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16832
26832
36733
46634
56634
66535
76436
86436
96337
106238
116238
126139
136040
146040
155941
165842
175842
185743
195743
205644
215644
225446
235446
245347
255248
265149
275149
285050
294852
304852

Chance of precipitation in September

Any precipitation

Pietermaritzburg gets around 56 mm of rain over 9.5 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 32% and peaks near 41% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
124
225
325
426
527
628
728
829
930
1030
1131
1231
1332
1432
1533
1633
1733
1834
1934
2034
2134
2235
2335
2435
2536
2637
2738
2839
2940
3041

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 83% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
19460
29460
39460
49370
59370
69280
79280
89190
990100
1090100
1189110
1288120
1387130
1486140
1585150
1684160
1782180
1881190
1980200
2079210
2178220
2276231
2375241
2474251
2573261
2672271
2771281
2870291
2969301
3067312

Wind in September

Winds average 8 km/h in September.

Across September, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 24 min at the start of September to 12 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 54 minutes over September. Sunrise moves from 6:17 AM to 5:40 AM, and sunset from 5:39 PM to 5:55 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.46:175:39
211.46:165:40
311.46:145:40
411.56:135:41
511.56:125:42
611.56:115:42
711.66:105:43
811.66:085:43
911.66:075:44
1011.66:065:44
1111.76:045:45
1211.76:035:45
1311.76:025:46
1411.86:015:46
1511.85:595:47
1611.85:585:47
1711.95:575:48
1811.95:555:49
1911.95:545:49
2011.95:535:50
2112.05:525:50
2212.05:505:51
2312.05:495:51
2412.15:485:52
2512.15:465:52
2612.15:455:53
2712.25:445:54
2812.25:435:54
2912.25:415:55
3012.35:405:55

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.7 kWh/m².

For context, solar energy here swings from a low near 3.29 kWh/m² to a high of 5.51 kWh/m² in January across the year — September's 4.7 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.5Bright
24.5Bright
34.6Bright
44.6Bright
54.6Bright
64.6Bright
74.6Bright
84.6Bright
94.6Bright
104.6Bright
114.7Bright
124.7Bright
134.7Bright
144.7Bright
154.7Bright
164.7Bright
174.7Bright
184.7Bright
194.7Bright
204.7Bright
214.7Bright
224.7Bright
234.7Bright
244.7Bright
254.8Bright
264.8Bright
274.8Bright
284.8Bright
294.8Bright
304.8Bright
Planning a trip in September

Hazard calendar for Pietermaritzburg

In seasonPeak

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

Pietermaritzburg'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 Pietermaritzburg?

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

7.2
Sightseeing
5th-best month of the year
6.0
Beach & pool
3rd-best month of the year

September is one of the better times to visit Pietermaritzburg for general sightseeing.

What to pack for Pietermaritzburg in September

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

In September, Pietermaritzburg sees daytime highs around 24°C and nights near 12°C. Worth packing: light clothes, rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

UV index in Pietermaritzburg in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Pietermaritzburg peaks around January 16 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeHighModerateHighExtremeJan 16UV 14Jun 23UV 4
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar11Extreme
Apr6High
May5High
Jun4Moderate
Jul4Moderate
Aug6High
Sep7High
Oct11Extreme
Nov11Extreme
Dec13Extreme

Air quality in Pietermaritzburg 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 Pietermaritzburg is worst in July — around 100 µg/m³ PM2.5 (unhealthy), about 4.5× the cleanest month (January, 22 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorUnhealthyPoorModerateJul 1399 µg/m³Jan 1222 µg/m³
PM2.5 (µg/m³)Level
Jan22Moderate
Feb28Moderate
Mar42Poor
Apr60Unhealthy
May91Unhealthy
Jun92Unhealthy
Jul100Unhealthy
Aug77Unhealthy
Sep62Unhealthy
Oct39Poor
Nov35Moderate
Dec23Moderate
Location & terrain

Where is Pietermaritzburg?

Pietermaritzburg sits at 29.6°S, 30.4°E, 636 m above sea level, in South Africa. The nearest listed city is Mpophomeni, 21 km away.

Topography around Pietermaritzburg

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

Within 3 km, the terrain around Pietermaritzburg has only modest variations in elevation — a maximum elevation change of 130 m around an average of 653 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,026 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,321 m.

The land around Pietermaritzburg is covered by artificial surfaces (46%) and trees (33%) within 3 km, trees (43%) and grassland (34%) within 16 km, and grassland (40%) and trees (39%) within 80 km.

3 km
130 m
16 km
1,026 m
80 km
2,321 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Mpophomeni 21 km · Howick 22 km · Richmond 31 km · Mpumalanga 32 km · Pinetown 53 km · Ntuzuma 55 km · Folweni 58 km · Mooi River 60 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 Pietermaritzburg (-29.6168°, 30.3928°, elevation 636 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).