Worcester weather in September

In September, Worcester sees average daytime highs of 19°C and overnight lows near 8°C, with 35 mm of rain across 6.5 wet days and about 11.8 hours of daylight. It is the 9th-warmest and 7th-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 40% 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 Worcester's 12th-clearest and 6th-windiest month. For the whole year in context, see Worcester's year-round climate.

Daytime high
19°
9th warmest
Overnight low
4th coldest
Rainfall
35 mm
6.5 wet days
Daylight
11 h 48 min
6:43 AM – 6:30 PM
Cloud cover
49%
12th clearest
Wind
8 km/h
6th windiest
Solar energy
4.83 kWh/m²
Travel score
6.7
out of 10

Worcester is town in the Western Cape, South Africa.

Density
1,743/km²
people per km²
Founded
1819

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 Worcester reaches about 19°C in the afternoon and slips back to 8°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 13°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)
1187
2187
3187
4188
5188
6188
7188
8188
9188
10188
11198
12198
13198
14198
15198
16198
17198
18198
19198
20198
21198
22198
23209
24209
25209
26209
27209
28209
29209
30209

Worcester weather by month

How September compares with the rest of the year at a glance. September is the 9th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 15°245.2146.8
Feb29° / 16°21513.36.7
Mar27° / 14°286.212.37.5
Apr23° / 12°335.611.27.8
May20° / 396.210.37.0
Jun17° / 608.29.85.6
Jul16° / 598.1105.4
Aug17° / 518.510.85.7
Sep19° / 356.511.86.7
Oct22° / 10°36612.87.6
Nov25° / 12°356.113.77.8
Dec27° / 14°24514.27.6

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 40% of the time in September, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 18% of September, with mostly cloudy or overcast conditions the remaining 43%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15743
25743
35743
45743
55842
65842
75743
85743
95743
105743
115842
125743
135743
145743
155743
165644
175644
185743
195644
205644
215743
225644
235743
245743
255743
265941
275941
285941
296040
306040

Chance of precipitation in September

Any precipitation

Worcester gets around 35 mm of rain over 6.5 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 22% and peaks near 25% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
125
224
324
424
524
624
723
823
923
1023
1123
1223
1322
1422
1522
1622
1722
1822
1922
2021
2121
2221
2321
2421
2520
2620
2720
2820
2919
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 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
1991
2991
31000
41000
5991
6991
7991
8991
9991
10991
11991
12991
13991
14991
15991
16991
17991
18991
19991
20991
21991
22991
231000
241000
251000
261000
271000
281000
291000
301000

Wind in September

Winds average 8 km/h in September.

Across September, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
17calm
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 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 7:04 AM to 6:23 AM, and sunset from 6:20 PM to 6:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.37:046:20
211.37:036:21
311.37:016:21
411.47:006:22
511.46:586:23
611.46:576:23
711.56:566:24
811.56:546:25
911.56:536:25
1011.66:516:26
1111.66:506:27
1211.76:486:28
1311.76:476:28
1411.76:466:29
1511.86:446:30
1611.86:436:30
1711.86:416:31
1811.96:406:32
1911.96:386:32
2011.96:376:33
2112.06:356:34
2212.06:346:35
2312.06:336:35
2412.16:316:36
2512.16:306:37
2612.26:286:37
2712.26:276:38
2812.26:256:39
2912.36:246:40
3012.36:236:40

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.83 kWh/m².

For context, solar energy here swings from a low near 2.54 kWh/m² to a high of 8.03 kWh/m² in January across the year — September's 4.83 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.1Bright
24.2Bright
34.2Bright
44.3Bright
54.3Bright
64.4Bright
74.4Bright
84.5Bright
94.5Bright
104.6Bright
114.6Bright
124.7Bright
134.7Bright
144.8Bright
154.8Bright
164.8Bright
174.9Bright
184.9Bright
195.0Bright
205.0Bright
215.1Bright
225.1Bright
235.2Bright
245.2Bright
255.3Bright
265.3Bright
275.4Bright
285.4Bright
295.5Bright
305.5Bright
Planning a trip in September

Is September a good time to visit Worcester?

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

6.7
Sightseeing
8th-best month of the year
2.9
Beach & pool
9th-best month of the year

September is a reasonable time to visit Worcester for sightseeing.

What to pack for Worcester in September

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

In September, Worcester sees daytime highs around 19°C and nights near 8°C. Worth packing: sun protection. About 7 days see rain.

sun protection

UV index in Worcester 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 Worcester peaks around January 14 at about 14 (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 — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateHighExtremeJan 14UV 14Jun 20UV 3
UV index (midday)Level
Jan14Extreme
Feb10Extreme
Mar10Very high
Apr6High
May4Moderate
Jun3Moderate
Jul3Moderate
Aug5Moderate
Sep6High
Oct11Extreme
Nov12Extreme
Dec12Extreme

Air quality in Worcester 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 Worcester is worst in June — around 41 µg/m³ PM2.5 (poor), about 3.8× the cleanest month (December, 11 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateGoodJun 2141 µg/m³Dec 1211 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb15Moderate
Mar19Moderate
Apr29Moderate
May38Poor
Jun41Poor
Jul40Poor
Aug36Poor
Sep28Moderate
Oct18Moderate
Nov12Good
Dec11Good
Location & terrain

Where is Worcester?

Worcester sits at 33.6°S, 19.4°E, 234 m above sea level, in South Africa. The nearest listed city is Ceres, 33 km away.

Topography around Worcester

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

Within 3 km, the terrain around Worcester has only modest variations in elevation — a maximum elevation change of 172 m around an average of 238 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,796 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,250 m.

The land around Worcester is covered by artificial surfaces (45%) and grassland (23%) within 3 km, shrubs (41%) and grassland (29%) within 16 km, and grassland (42%), shrubs (27%) and cropland (22%) within 80 km.

3 km
172 m
16 km
1,796 m
80 km
2,250 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Ceres 33 km · Wellington 40 km · Le Roux 42 km · Franschhoek 42 km · Robertson 44 km · Paarl 45 km · Ashton 60 km · Stellenbosch 63 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 Worcester (-33.6465°, 19.4485°, elevation 234 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).