Durbanville weather in September

In September, Durbanville sees average daytime highs of 19°C and overnight lows near 9°C, with 62 mm of rain across 8 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 18°C in the first days to 20°C by the end. The sky is clear or mostly clear about 41% 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 Durbanville's 12th-clearest and 7th-windiest month. For the whole year in context, see Durbanville's year-round climate.

Daytime high
19°
9th warmest
Overnight low
4th coldest
Rainfall
62 mm
8 wet days
Daylight
11 h 48 min
6:46 AM – 6:34 PM
Cloud cover
49%
12th clearest
Wind
10 km/h
7th windiest
Solar energy
4.84 kWh/m²
Travel score
6.6
out of 10

Durbanville is town in the Western Cape, South Africa.

Founded
1825

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 18°C in the first days to 20°C by the end.

A typical September day in Durbanville reaches about 19°C in the afternoon and slips back to 9°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 25°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)
1188
2188
3188
4188
5188
6188
7188
8198
9198
10198
11199
12199
13199
14199
15199
16199
17199
18199
19199
20199
21199
22209
23209
24209
25209
26209
27209
28209
29209
302010

Durbanville 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
Jan28° / 16°183147.4
Feb29° / 17°162.713.37.2
Mar27° / 15°183.212.38.0
Apr24° / 12°515.511.27.9
May20° / 10°828.310.36.9
Jun17° / 12410.59.85.7
Jul17° / 1099.8105.7
Aug17° / 9210.210.75.8
Sep19° / 62811.86.6
Oct22° / 11°405.912.97.6
Nov24° / 13°375.513.88.0
Dec27° / 15°214.114.28.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 41% of the time in September, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 17% of September, with mostly cloudy or overcast conditions the remaining 42%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15446
25446
35446
45446
55545
65545
75545
85644
95644
105644
115743
125743
135842
145842
155842
165842
175941
185842
195842
205842
215941
225941
235941
246040
256040
266040
276040
286139
296139
306139

Chance of precipitation in September

Any precipitation

Durbanville gets around 62 mm of rain over 8 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 26% and peaks near 31% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)
131
231
330
430
529
629
728
828
928
1028
1127
1227
1327
1427
1526
1626
1726
1826
1926
2026
2126
2226
2325
2424
2524
2623
2723
2822
2922
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 96% 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
5982
6982
7982
8982
9973
10973
11973
12964
13964
14964
15964
16964
17955
18955
19964
20964
21964
22964
23964
24964
25964
26964
27964
28955
29955
30955

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 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
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2711calm
2811calm
2911calm
3011calm

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 6:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.37:076:23
211.37:066:24
311.37:056:24
411.47:036:25
511.47:026:26
611.47:006:26
711.56:596:27
811.56:576:28
911.56:566:29
1011.66:556:29
1111.66:536:30
1211.66:526:31
1311.76:506:31
1411.76:496:32
1511.86:476:33
1611.86:466:34
1711.86:446:34
1811.96:436:35
1911.96:426:36
2011.96:406:36
2112.06:396:37
2212.06:376:38
2312.06:366:38
2412.16:346:39
2512.16:336:40
2612.26:316:41
2712.26:306:41
2812.26:296:42
2912.36:276:43
3012.36:266:44

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.84 kWh/m².

For context, solar energy here swings from a low near 2.5 kWh/m² to a high of 8.26 kWh/m² in January across the year — September's 4.84 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.1Bright
24.1Bright
34.2Bright
44.2Bright
54.3Bright
64.3Bright
74.4Bright
84.5Bright
94.5Bright
104.6Bright
114.6Bright
124.7Bright
134.7Bright
144.8Bright
154.8Bright
164.9Bright
174.9Bright
185.0Bright
195.0Bright
205.1Bright
215.1Bright
225.2Bright
235.2Bright
245.3Bright
255.3Bright
265.4Bright
275.4Bright
285.5Bright
295.6Bright
305.6Bright
Planning a trip in September

Hazard calendar for Durbanville

In seasonPeak

In September, Durbanville sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Durbanville's rainy season runs May–September, 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 Durbanville?

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

6.6
Sightseeing
9th-best month of the year
2.9
Beach & pool
9th-best month of the year

September is a reasonable time to visit Durbanville for sightseeing.

What to pack for Durbanville in September

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

In September, Durbanville sees daytime highs around 19°C and nights near 9°C. Worth packing: rain gear and sun protection. About 8 days see rain.

rain gearsun protection

Sea temperature near Durbanville 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 26 km away) is warmest in January at about 18°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
Jan18Cool
Feb18Cool
Mar17Cool
Apr16Cool
May15Cool
Jun15Cool
Jul15Bracing
Aug15Bracing
Sep15Bracing
Oct15Cool
Nov16Cool
Dec17Cool

UV index in Durbanville 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 Durbanville peaks around January 13 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 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 13UV 13Jun 20UV 3
UV index (midday)Level
Jan13Extreme
Feb10Very high
Mar9Very high
Apr6High
May3Moderate
Jun3Moderate
Jul3Moderate
Aug4Moderate
Sep6High
Oct10Extreme
Nov11Extreme
Dec12Extreme

Air quality in Durbanville 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 Durbanville is worst in May — around 52 µg/m³ PM2.5 (poor), about 3.4× the cleanest month (December, 15 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateMay 2152 µg/m³Dec 1516 µg/m³
PM2.5 (µg/m³)Level
Jan20Moderate
Feb19Moderate
Mar28Moderate
Apr41Poor
May52Poor
Jun50Poor
Jul47Poor
Aug41Poor
Sep33Moderate
Oct29Moderate
Nov18Moderate
Dec15Moderate
Location & terrain

Where is Durbanville?

Durbanville sits at 33.8°S, 18.6°E, 139 m above sea level, in South Africa. The nearest listed city is Kraaifontein, 7.0 km away.

Topography around Durbanville

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

Within 3 km, the terrain around Durbanville has only modest variations in elevation — a maximum elevation change of 231 m around an average of 158 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 471 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,073 m.

The land around Durbanville is covered by artificial surfaces (38%), trees (25%) and grassland (23%) within 3 km, cropland (30%), artificial surfaces (29%) and grassland (25%) within 16 km, and water (35%), grassland (23%) and cropland (22%) within 80 km.

3 km
231 m
16 km
471 m
80 km
2,073 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Kraaifontein 7.0 km · Kuils River 13 km · Athlone 20 km · Rondebosch 22 km · Lansdowne 22 km · Stellenbosch 23 km · Cape Town 23 km · Retreat 30 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 Durbanville (-33.8308°, 18.6486°, elevation 139 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).