Ottosdal weather in September

In September, Ottosdal sees average daytime highs of 25°C and overnight lows near 10°C, with 14 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 24°C in the first days to 26°C by the end. The sky is clear or mostly clear about 76% 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 Ottosdal's 5th-clearest and 2nd-windiest month. For the whole year in context, see Ottosdal's year-round climate.

Daytime high
25°
7th warmest
Overnight low
10°
5th coldest
Rainfall
14 mm
2.4 wet days
Daylight
11 h 48 min
6:15 AM – 6:06 PM
Cloud cover
22%
5th clearest
Wind
14 km/h
2nd windiest
Solar energy
6.23 kWh/m²
Travel score
8.7
out of 10

Ottosdal is place in North West, South Africa.

Founded
1913

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 24°C in the first days to 26°C by the end.

A typical September day in Ottosdal reaches about 25°C in the afternoon and slips back to 10°C overnight — a 15°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 30°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)
1248
2249
3249
4249
5249
6249
7259
82510
92510
102510
112510
122510
132510
142510
152511
162611
172611
182611
192611
202611
212611
222611
232611
242612
252612
262612
272612
282612
292612
302612

Ottosdal 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
Jan28° / 17°991513.55.4
Feb28° / 17°8112.912.96.1
Mar26° / 15°6911.312.26.7
Apr24° / 11°416.511.47.9
May21° / 182.810.78.4
Jun19° / 91.510.38.1
Jul19° / 40.610.58.3
Aug21° / 111.511.18.8
Sep25° / 10°142.411.88.7
Oct27° / 14°477.912.67.3
Nov28° / 15°6210.313.36.5
Dec28° / 16°851413.75.6

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 76% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 12% of September, with mostly cloudy or overcast conditions the remaining 11%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1928
2928
3928
4919
5919
6919
7919
8919
99010
109010
119010
128911
138911
148911
158911
168812
178812
188812
198713
208713
218713
228713
238713
248614
258614
268614
278614
288614
298614
308614

Chance of precipitation in September

Any precipitation

Ottosdal gets around 14 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 15% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
16
26
36
46
56
67
77
87
97
107
117
127
137
147
158
168
178
188
199
209
219
2210
2310
2411
2512
2612
2713
2814
2915
3015

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 100% 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
211000
221000
231000
241000
251000
261000
27991
28991
29991
30991

Wind in September

Winds average 14 km/h in September.

Across September, daily wind ranges from about 13 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light 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 6:32 AM to 5:59 AM, and sunset from 5:59 PM to 6:12 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.46:325:59
211.56:315:59
311.56:306:00
411.56:296:00
511.56:286:01
611.66:276:01
711.66:266:02
811.66:246:02
911.76:236:03
1011.76:226:03
1111.76:216:03
1211.76:206:04
1311.86:196:04
1411.86:176:05
1511.86:166:05
1611.86:156:06
1711.96:146:06
1811.96:136:06
1911.96:116:07
2012.06:106:07
2112.06:096:08
2212.06:086:08
2312.06:076:09
2412.16:066:09
2512.16:046:10
2612.16:036:10
2712.16:026:11
2812.26:016:11
2912.26:006:12
3012.25:596:12

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.23 kWh/m².

For context, solar energy here swings from a low near 3.88 kWh/m² to a high of 7.35 kWh/m² in December across the year — September's 6.23 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.7Bright
25.8Bright
35.8Bright
45.8Bright
55.9Bright
65.9Bright
75.9Bright
86.0Bright
96.0Intense
106.0Intense
116.1Intense
126.1Intense
136.1Intense
146.2Intense
156.2Intense
166.2Intense
176.3Intense
186.3Intense
196.3Intense
206.4Intense
216.4Intense
226.4Intense
236.5Intense
246.5Intense
256.5Intense
266.5Intense
276.6Intense
286.6Intense
296.6Intense
306.7Intense
Planning a trip in September

Hazard calendar for Ottosdal

In seasonPeak

None of Ottosdal's seasonal hazards are active in September. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Ottosdal's rainy season runs October–March, 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 Ottosdal?

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

8.7
Sightseeing
2nd-best month of the year
7.8
Beach & pool
1st-best month of the year

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

What to pack for Ottosdal in September

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

In September, Ottosdal sees daytime highs around 25°C and nights near 10°C. Pack sun protection. Worth having: light clothes.

sun protectionlight clothes

UV index in Ottosdal 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 Ottosdal peaks around January 13 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 5 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 13UV 15Jun 20UV 5
UV index (midday)Level
Jan15Extreme
Feb13Extreme
Mar12Extreme
Apr8Very high
May6High
Jun5High
Jul6High
Aug7Very high
Sep9Very high
Oct11Extreme
Nov12Extreme
Dec14Extreme

Air quality in Ottosdal 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 Ottosdal is worst in September — around 21 µg/m³ PM2.5 (moderate), about 3.4× the cleanest month (December, 6 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1121 µg/m³Dec 106 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb11Good
Mar12Moderate
Apr14Moderate
May17Moderate
Jun20Moderate
Jul20Moderate
Aug20Moderate
Sep21Moderate
Oct12Good
Nov6Good
Dec6Good
Location & terrain

Where is Ottosdal?

Ottosdal sits at 26.8°S, 26.0°E, 1,495 m above sea level, in South Africa. The nearest listed city is Hartbeesfontein, 41 km away.

Topography around Ottosdal

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

Within 3 km, the terrain around Ottosdal has only modest variations in elevation — a maximum elevation change of 72 m around an average of 1,491 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 156 m; within 80 km, significant variations in elevation — a maximum elevation change of 411 m.

The land around Ottosdal is covered by grassland (50%) and cropland (36%) within 3 km, cropland (51%) and grassland (44%) within 16 km, and grassland (54%) and cropland (42%) within 80 km.

3 km
72 m
16 km
156 m
80 km
411 m
treesshrubsgrasslandcroplandartificial surfaceswater
September weather nearby: Hartbeesfontein 41 km · Wolmaransstad 43 km · Leeudoringstad 53 km · Makwassie 56 km · Coligny 62 km · Klerksdorp 66 km · Orkney 69 km · Lichtenburg 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 Ottosdal (-26.8091°, 26.0054°, elevation 1,495 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).