Moorreesburg weather in September

In September, Moorreesburg sees average daytime highs of 21°C and overnight lows near 9°C, with 43 mm of rain across 7.1 wet days and about 11.8 hours of daylight. It is the 9th-warmest and 5th-wettest month of the year here.

Highs climb over the month, from about 20°C in the first days to 22°C by the end. The sky is clear or mostly clear about 43% of the time in September, and the air most often feels dry.

Daylight stretches from about 11 h 18 min at the start of September to 12 h 18 min by month's end. Set against the rest of the year, September is Moorreesburg's 12th-clearest and 7th-windiest month. For the whole year in context, see Moorreesburg's year-round climate.

Daytime high
21°
9th warmest
Overnight low
4th coldest
Rainfall
43 mm
7.1 wet days
Daylight
11 h 48 min
6:46 AM – 6:34 PM
Cloud cover
47%
12th clearest
Wind
10 km/h
7th windiest
Solar energy
4.96 kWh/m²
Travel score
7.1
out of 10

Moorreesburg is town in the Western Cape, South Africa.

Density
555/km²
people per km²
Founded
1882

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 20°C in the first days to 22°C by the end.

A typical September day in Moorreesburg reaches about 21°C in the afternoon and slips back to 9°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 27°C. Set against its neighbours, September runs about 2°C warmer than August and about 4°C cooler than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
1198
2198
3208
4208
5208
6208
7208
8208
9208
10208
11209
12209
13219
14219
15219
16219
17219
18219
19219
20219
21219
22219
23219
24229
25229
26229
27229
28229
29229
302210

How September really feels in Moorreesburg

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.

Moorreesburg weather by month

How September compares with the rest of the year at a glance. September is the 9th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 18°122.613.95.4
Feb32° / 18°112.313.25.3
Mar30° / 16°142.612.36.4
Apr26° / 13°364.711.27.8
May22° / 10°546.710.37.5
Jun19° / 879.49.96.4
Jul18° / 768.1106.5
Aug18° / 669.110.86.4
Sep21° / 437.111.87.1
Oct25° / 11°284.612.88.0
Nov27° / 14°254.613.77.5
Dec30° / 16°153.414.26.2

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 43% of the time in September, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 16% of September, with mostly cloudy or overcast conditions the remaining 41%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15545
25545
35545
45545
55545
65644
75644
85644
95743
105743
115842
125842
135842
145941
155941
165941
176040
186040
195941
206040
216040
226040
236139
246139
256238
266238
276238
286238
296337
306337

Chance of precipitation in September

Any precipitation

Moorreesburg gets around 43 mm of rain over 7.1 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 23% and peaks near 27% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
127
226
326
425
525
624
724
824
924
1023
1123
1223
1323
1423
1523
1623
1724
1824
1924
2024
2124
2224
2323
2423
2522
2621
2721
2820
2920
3019

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 95% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
1982
2982
3982
4982
5982
6973
7973
8973
9964
10964
11964
12955
13955
14955
15946
16946
17946
18946
19946
20946
21946
22946
23955
24955
25955
26955
27946
28946
29946
30946

Wind in September

Winds average 10 km/h in September.

Across September, daily wind ranges from about 10 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
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 18 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 60 minutes over September. Sunrise moves from 7:07 AM to 6:26 AM, and sunset from 6:23 PM to 6:43 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.37:076:23
211.37:056:24
311.37:046:25
411.47:036:26
511.47:016:26
611.57:006:27
711.56:586:28
811.56:576:28
911.66:566:29
1011.66:546:30
1111.66:536:30
1211.76:516:31
1311.76:506:32
1411.76:496:32
1511.86:476:33
1611.86:466:34
1711.86:446:34
1811.96:436:35
1911.96:416:36
2011.96:406:36
2112.06:396:37
2212.06:376:38
2312.06:366:38
2412.16:346:39
2512.16:336:40
2612.16:326:41
2712.26:306:41
2812.26:296:42
2912.36:276:43
3012.36:266:43

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.96 kWh/m².

For context, solar energy here swings from a low near 2.58 kWh/m² to a high of 8.46 kWh/m² in January across the year — September's 4.96 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.2Bright
24.3Bright
34.3Bright
44.4Bright
54.4Bright
64.5Bright
74.5Bright
84.6Bright
94.6Bright
104.7Bright
114.7Bright
124.8Bright
134.8Bright
144.9Bright
154.9Bright
165.0Bright
175.0Bright
185.1Bright
195.1Bright
205.2Bright
215.2Bright
225.3Bright
235.3Bright
245.4Bright
255.5Bright
265.5Bright
275.6Bright
285.7Bright
295.7Bright
305.8Bright
Planning a trip in September

Is September a good time to visit Moorreesburg?

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

7.1
Sightseeing
5th-best month of the year
4.2
Beach & pool
9th-best month of the year

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

What to pack for Moorreesburg in September

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

In September, Moorreesburg sees daytime highs around 21°C and nights near 9°C. Worth packing: sun protection. About 7 days see rain.

sun protection

Sea temperature near Moorreesburg in September

The nearest coast averages about 15°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 56 km away) is warmest in February at about 17°C and coldest in August near 15°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

14°16°18°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan17Cool
Feb17Cool
Mar16Cool
Apr15Cool
May15Cool
Jun15Bracing
Jul15Bracing
Aug15Bracing
Sep15Bracing
Oct15Cool
Nov16Cool
Dec16Cool

UV index in Moorreesburg in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Moorreesburg peaks around January 14 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateExtremeJan 14UV 13Jun 19UV 3
UV index (midday)Level
Jan14Extreme
Feb10Extreme
Mar10Very high
Apr6High
May4Moderate
Jun3Moderate
Jul3Moderate
Aug5Moderate
Sep5High
Oct10Extreme
Nov11Extreme
Dec12Extreme

Air quality in Moorreesburg 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 Moorreesburg is worst in May — around 28 µg/m³ PM2.5 (moderate), about 3.7× the cleanest month (December, 8 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodMay 2128 µg/m³Dec 148 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb12Good
Mar14Moderate
Apr23Moderate
May28Moderate
Jun27Moderate
Jul27Moderate
Aug25Moderate
Sep19Moderate
Oct15Moderate
Nov10Good
Dec8Good
Location & terrain

Where is Moorreesburg?

Moorreesburg sits at 33.2°S, 18.7°E, 164 m above sea level, in South Africa. The nearest listed city is Malmesbury, 35 km away.

Topography around Moorreesburg

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

Within 3 km, the terrain around Moorreesburg has only modest variations in elevation — a maximum elevation change of 157 m around an average of 169 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 441 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,075 m.

The land around Moorreesburg is covered by cropland (81%) within 3 km, cropland (91%) within 16 km, and cropland (34%), shrubs (24%) and grassland (21%) within 80 km.

3 km
157 m
16 km
441 m
80 km
2,075 m
treesshrubsgrasslandcroplandartificial surfaceswater
September weather nearby: Malmesbury 35 km · Atlantis 49 km · Wellington 63 km · Ceres 65 km · Vredenburg 68 km · Saldanha 69 km · Paarl 71 km · Durbanville 75 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 Moorreesburg (-33.1539°, 18.6603°, elevation 164 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).