Hoopstad weather in September

In September, Hoopstad sees average daytime highs of 26°C and overnight lows near 10°C, with 15 mm of rain across 2.4 wet days and about 11.8 hours of daylight. It is the 7th-warmest and 9th-wettest month of the year here.

Highs climb over the month, from about 25°C in the first days to 27°C by the end. The sky is clear or mostly clear about 74% 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 12 min by month's end. Set against the rest of the year, September is Hoopstad's 5th-clearest and 3rd-windiest month. For the whole year in context, see Hoopstad's year-round climate.

Daytime high
26°
7th warmest
Overnight low
10°
5th coldest
Rainfall
15 mm
2.4 wet days
Daylight
11 h 48 min
6:16 AM – 6:06 PM
Cloud cover
23%
5th clearest
Wind
12 km/h
3rd windiest
Solar energy
6.17 kWh/m²
Travel score
8.5
out of 10

Hoopstad is town in the Free State, South Africa.

Founded
1873

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 25°C in the first days to 27°C by the end.

A typical September day in Hoopstad reaches about 26°C in the afternoon and slips back to 10°C overnight — a 16°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 31°C. Set against its neighbours, September runs about 4°C warmer than August and about 2°C cooler than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
1258
2258
3258
4258
5258
6259
7269
8269
9269
10269
11269
122610
132610
142610
152610
162610
172710
182710
192710
202711
212711
222711
232711
242711
252711
262711
272711
282711
292712
302812

How September really feels in Hoopstad

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.

Hoopstad weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 18°8512.413.64.7
Feb30° / 18°7011.1135.1
Mar28° / 16°6510.212.26.3
Apr25° / 12°416.511.47.8
May22° / 192.710.68.6
Jun19° / 111.410.38.2
Jul19° / 50.710.48.4
Aug22° / 131.8118.9
Sep26° / 10°152.411.88.5
Oct28° / 13°436.912.76.7
Nov30° / 15°628.713.45.6
Dec31° / 17°8111.913.74.7

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 74% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 13% of September, with mostly cloudy or overcast conditions the remaining 13%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1919
29010
39010
4919
59010
69010
79010
89010
98911
108812
118812
128812
138812
148713
158713
168713
178614
188515
198515
208515
218515
228416
238416
248416
258416
268317
278317
288317
298317
308218

Chance of precipitation in September

Any precipitation

Hoopstad gets around 15 mm of rain over 2.4 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 9% and peaks near 13% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
17
27
37
47
57
67
77
87
97
107
117
127
137
148
158
168
178
189
199
209
2110
2210
2310
2411
2511
2612
2712
2812
2913
3013

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 (%)
11000
21000
31000
41000
51000
61000
71000
81000
91000
101000
111000
121000
131000
141000
151000
161000
171000
181000
191000
201000
21991
22991
23991
24991
25991
26982
27982
28982
29973
30973

Wind in September

Winds average 12 km/h in September.

Across September, daily wind ranges from about 12 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
112calm
212calm
312calm
412calm
512calm
612calm
712calm
812calm
912calm
1012calm
1112calm
1212calm
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912calm
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012light breeze

Sunrise & sunset in September

DaylightNight

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

Days grow by about 48 minutes over September. Sunrise moves from 6:34 AM to 5:59 AM, and sunset from 5:59 PM to 6:13 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.46:345:59
211.46:325:59
311.56:316:00
411.56:306:00
511.56:296:01
611.66:286:01
711.66:266:02
811.66:256:02
911.66:246:02
1011.76:236:03
1111.76:226:03
1211.76:206:04
1311.86:196:04
1411.86:186:05
1511.86:176:05
1611.86:166:06
1711.96:146:06
1811.96:136:07
1911.96:126:07
2012.06:116:08
2112.06:096:08
2212.06:086:09
2312.06:076:09
2412.16:066:10
2512.16:056:10
2612.16:036:11
2712.16:026:11
2812.26:016:12
2912.26:006:12
3012.25:596:13

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.17 kWh/m².

For context, solar energy here swings from a low near 3.74 kWh/m² to a high of 7.63 kWh/m² in December across the year — September's 6.17 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.6Bright
25.7Bright
35.7Bright
45.8Bright
55.8Bright
65.8Bright
75.9Bright
85.9Bright
95.9Bright
106.0Bright
116.0Intense
126.0Intense
136.1Intense
146.1Intense
156.1Intense
166.2Intense
176.2Intense
186.2Intense
196.3Intense
206.3Intense
216.3Intense
226.4Intense
236.4Intense
246.4Intense
256.5Intense
266.5Intense
276.5Intense
286.6Intense
296.6Intense
306.6Intense
Planning a trip in September

Is September a good time to visit Hoopstad?

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

8.5
Sightseeing
3rd-best month of the year
8.1
Beach & pool
1st-best month of the year

September is one of the better times to visit Hoopstad for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Hoopstad in September

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

In September, Hoopstad sees daytime highs around 26°C and nights near 10°C. Pack sun protection. Worth having: light clothes.

sun protectionlight clothes

UV index in Hoopstad in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Hoopstad peaks around January 13 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 5 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighModerateHighVery highExtremeJan 13UV 15Jun 21UV 5
UV index (midday)Level
Jan15Extreme
Feb13Extreme
Mar11Extreme
Apr8Very high
May6High
Jun5Moderate
Jul5Moderate
Aug7High
Sep9Very high
Oct10Extreme
Nov13Extreme
Dec14Extreme

Air quality in Hoopstad 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 Hoopstad is worst in June — around 19 µg/m³ PM2.5 (moderate), about 3.3× the cleanest month (December, 6 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJun 2319 µg/m³Dec 136 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb10Good
Mar11Good
Apr13Moderate
May17Moderate
Jun19Moderate
Jul19Moderate
Aug17Moderate
Sep17Moderate
Oct12Good
Nov6Good
Dec6Good
Location & terrain

Where is Hoopstad?

Hoopstad sits at 27.8°S, 25.9°E, 1,253 m above sea level, in South Africa. The nearest listed city is Bloemhof, 36 km away.

Topography around Hoopstad

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

Within 3 km, the terrain around Hoopstad has only modest variations in elevation — a maximum elevation change of 46 m around an average of 1,246 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 63 m; within 80 km, significant variations in elevation — a maximum elevation change of 320 m.

The land around Hoopstad is covered by grassland (42%) and cropland (25%) within 3 km, cropland (52%) and grassland (30%) within 16 km, and grassland (54%) and cropland (39%) within 80 km.

3 km
46 m
16 km
63 m
80 km
320 m
treesshrubsgrasslandcroplandartificial surfaceswater
September weather nearby: Bloemhof 36 km · Wesselsbron 45 km · Bultfontein 56 km · Makwassie 58 km · Wolmaransstad 71 km · Allanridge 73 km · Leeudoringstad 74 km · Christiana 74 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 Hoopstad (-27.8327°, 25.9083°, elevation 1,253 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).