Vredendal weather in September

In September, Vredendal sees average daytime highs of 22°C and overnight lows near 10°C, with 17 mm of rain across 3.4 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 21°C in the first days to 23°C by the end. The sky is clear or mostly clear about 54% 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 Vredendal's 12th-clearest and 6th-windiest month. For the whole year in context, see Vredendal's year-round climate.

Daytime high
22°
9th warmest
Overnight low
10°
4th coldest
Rainfall
17 mm
3.4 wet days
Daylight
11 h 48 min
6:46 AM – 6:35 PM
Cloud cover
38%
12th clearest
Wind
11 km/h
6th windiest
Solar energy
5.32 kWh/m²
Travel score
8.0
out of 10

Vredendal is town in the Western Cape, South Africa.

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 21°C in the first days to 23°C by the end.

A typical September day in Vredendal reaches about 22°C in the afternoon and slips back to 10°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 29°C. Set against its neighbours, September runs about 2°C warmer than August and about 3°C cooler than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
1219
2219
3219
4219
5219
6219
72110
82110
92210
102210
112210
122210
132210
142210
152210
162210
172210
182210
192210
202210
212210
222210
232210
242210
252310
262310
272311
282311
292311
302311

Vredendal 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
Jan29° / 16°71.513.87.4
Feb29° / 17°4113.27.3
Mar28° / 16°101.712.27.9
Apr26° / 13°152.511.28.4
May23° / 11°244.510.48.1
Jun20° / 386.2107.2
Jul20° / 355.510.17.4
Aug20° / 275.610.87.4
Sep22° / 10°173.411.88.0
Oct25° / 12°132.712.88.5
Nov26° / 14°102.413.68.5
Dec28° / 15°71.9148.3

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 54% 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 30%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17129
27129
37129
47030
56931
66931
76931
86931
96931
106832
116931
126931
136931
146931
156832
166832
176832
186931
196931
206931
217030
227030
237129
247129
257228
267228
277228
287327
297327
307426

Chance of precipitation in September

Any precipitation

Vredendal gets around 17 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 15% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
115
214
314
414
513
613
712
812
912
1012
1112
1212
1312
1412
1512
1612
1712
1812
1912
2012
2112
2212
2311
2411
2511
2610
2710
2810
299
309

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 98% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
1991
2991
3991
4991
5991
6991
7991
8991
9991
10991
11991
12991
13991
14982
15982
16982
17982
18982
19982
20982
21982
22982
23982
24982
25982
26982
27982
28982
29982
30982

Wind in September

Winds average 11 km/h in September.

Across September, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3012calm

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 7:06 AM to 6:27 AM, and sunset from 6:25 PM to 6:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.37:066:25
211.47:056:26
311.47:036:27
411.47:026:27
511.47:016:28
611.57:006:28
711.56:586:29
811.56:576:30
911.66:566:30
1011.66:546:31
1111.66:536:32
1211.76:516:32
1311.76:506:33
1411.76:496:33
1511.86:476:34
1611.86:466:35
1711.86:456:35
1811.96:436:36
1911.96:426:36
2011.96:416:37
2112.06:396:38
2212.06:386:38
2312.06:366:39
2412.16:356:40
2512.16:346:40
2612.16:326:41
2712.26:316:42
2812.26:306:42
2912.26:286:43
3012.36:276:44

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.32 kWh/m².

For context, solar energy here swings from a low near 2.88 kWh/m² to a high of 8.46 kWh/m² in December across the year — September's 5.32 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.6Bright
24.7Bright
34.7Bright
44.8Bright
54.8Bright
64.8Bright
74.9Bright
85.0Bright
95.0Bright
105.0Bright
115.1Bright
125.1Bright
135.2Bright
145.2Bright
155.3Bright
165.3Bright
175.4Bright
185.4Bright
195.5Bright
205.5Bright
215.6Bright
225.6Bright
235.7Bright
245.8Bright
255.8Bright
265.9Bright
275.9Bright
286.0Intense
296.1Intense
306.1Intense
Planning a trip in September

Is September a good time to visit Vredendal?

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

8.0
Sightseeing
6th-best month of the year
5.5
Beach & pool
9th-best month of the year

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

What to pack for Vredendal in September

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

In September, Vredendal sees daytime highs around 22°C and nights near 10°C. Worth packing: sun protection. About 3 days see rain.

sun protection

Sea temperature near Vredendal in September

The nearest coast averages about 14°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 36 km away) is warmest in February at about 17°C and coldest in July near 13°C.

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

12°14°16°18°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan17Cool
Feb17Cool
Mar16Cool
Apr15Cool
May15Bracing
Jun14Bracing
Jul13Bracing
Aug13Bracing
Sep14Bracing
Oct15Bracing
Nov16Cool
Dec17Cool

UV index in Vredendal in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Vredendal peaks around January 16 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 17 at about 3 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateHighExtremeJan 16UV 14Jun 17UV 3
UV index (midday)Level
Jan14Extreme
Feb12Extreme
Mar10Extreme
Apr7High
May4Moderate
Jun3Moderate
Jul4Moderate
Aug5Moderate
Sep6High
Oct10Extreme
Nov11Extreme
Dec12Extreme
Location & terrain

Where is Vredendal?

Vredendal sits at 31.7°S, 18.5°E, 36 m above sea level, in South Africa. The nearest listed city is Vredenburg, 146 km away.

SaldanhaMoorreesburgMalmesburyCeresAtlantisWellingtonPaarl

Topography around Vredendal

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

Within 3 km, the terrain around Vredendal has only modest variations in elevation — a maximum elevation change of 94 m around an average of 33 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 367 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,591 m.

The land around Vredendal is covered by cropland (38%) and shrubs (33%) within 3 km, shrubs (47%) and cropland (32%) within 16 km, and shrubs (46%) and grassland (21%) within 80 km.

3 km
94 m
16 km
367 m
80 km
1,591 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Vredenburg 146 km · Saldanha 158 km · Moorreesburg 166 km · Malmesbury 200 km · Ceres 204 km · Atlantis 211 km · Wellington 224 km · Paarl 234 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 Vredendal (-31.6683°, 18.5012°, elevation 36 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).