Leslie weather in September

In September, Leslie sees average daytime highs of 25°C and overnight lows near 10°C, with 23 mm of rain across 3.3 wet days and about 11.8 hours of daylight. It is the 6th-warmest and 8th-wettest month of the year here.

Highs climb over the month, from about 24°C in the first days to 25°C by the end. The sky is clear or mostly clear about 70% of the time in September, and the air most often feels dry.

Daylight stretches from about 11 h 30 min at the start of September to 12 h 12 min by month's end. Set against the rest of the year, September is Leslie's 5th-clearest and 1st-windiest month. For the whole year in context, see Leslie's year-round climate.

Daytime high
25°
6th warmest
Overnight low
10°
5th coldest
Rainfall
23 mm
3.3 wet days
Daylight
11 h 48 min
6:03 AM – 5:54 PM
Cloud cover
27%
5th clearest
Wind
13 km/h
1st windiest
Solar energy
6 kWh/m²
Travel score
8.6
out of 10

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 25°C by the end.

A typical September day in Leslie reaches about 25°C in the afternoon and slips back to 10°C overnight — a 14°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 29°C. Set against its neighbours, September runs about 4°C warmer than August and on par with October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
1239
2239
3249
4249
5249
6249
7249
82410
92410
102410
112410
122510
132510
142510
152510
162511
172511
182511
192511
202511
212511
222511
232511
242511
252511
262511
272511
282512
292512
302512

Leslie weather by month

How September compares with the rest of the year at a glance. September is the 6th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 15°12916.113.55.9
Feb26° / 15°10013.212.96.2
Mar25° / 14°9311.412.26.9
Apr23° / 11°416.611.47.6
May21° / 152.610.78.2
Jun18° / 61.210.48.1
Jul18° / 50.710.58.2
Aug21° / 11211.18.6
Sep25° / 10°233.311.88.6
Oct25° / 12°841112.67.0
Nov25° / 14°10414.213.36.2
Dec25° / 15°13717.513.65.7

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 70% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 14% of September, with mostly cloudy or overcast conditions the remaining 16%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18911
28911
38911
48911
58812
68911
78812
88812
98812
108713
118614
128614
138614
148614
158515
168416
178416
188416
198218
208218
218218
228119
238020
248020
257921
267921
277723
287723
297624
307624

Chance of precipitation in September

Any precipitation

Leslie gets around 23 mm of rain over 3.3 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 21% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
18
28
38
48
58
68
79
89
99
109
1110
1210
1310
1410
1510
1611
1711
1811
1911
2012
2112
2213
2313
2414
2515
2616
2717
2818
2920
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 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
26991
27991
28991
29991
30991

Wind in September

Winds average 13 km/h in September, the windiest month of the year.

Across September, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 30 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 42 minutes over September. Sunrise moves from 6:20 AM to 5:47 AM, and sunset from 5:48 PM to 6:00 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.56:205:48
211.56:195:48
311.56:185:49
411.56:175:49
511.66:165:49
611.66:155:50
711.66:145:50
811.66:135:51
911.76:115:51
1011.76:105:52
1111.76:095:52
1211.76:085:52
1311.86:075:53
1411.86:065:53
1511.86:045:54
1611.86:035:54
1711.96:025:54
1811.96:015:55
1911.96:005:55
2012.05:595:56
2112.05:575:56
2212.05:565:57
2312.05:555:57
2412.15:545:58
2512.15:535:58
2612.15:525:58
2712.15:505:59
2812.25:495:59
2912.25:486:00
3012.25:476:00

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6 kWh/m².

For context, solar energy here swings from a low near 3.92 kWh/m² to a high of 6.7 kWh/m² in December across the year — September's 6 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.6Bright
45.7Bright
55.7Bright
65.7Bright
75.8Bright
85.8Bright
95.8Bright
105.9Bright
115.9Bright
125.9Bright
135.9Bright
146.0Bright
156.0Bright
166.0Intense
176.0Intense
186.1Intense
196.1Intense
206.1Intense
216.1Intense
226.2Intense
236.2Intense
246.2Intense
256.2Intense
266.2Intense
276.3Intense
286.3Intense
296.3Intense
306.3Intense
Planning a trip in September

Hazard calendar for Leslie

In seasonPeak

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

Leslie'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 Leslie?

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

8.6
Sightseeing
1st-best month of the year
7.4
Beach & pool
1st-best month of the year

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

What to pack for Leslie in September

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

In September, Leslie sees daytime highs around 25°C and nights near 10°C. Pack sun protection. Worth having: light clothes. About 3 days see rain.

sun protectionlight clothes

UV index in Leslie 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 Leslie peaks around January 12 at about 14 (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 12UV 14Jun 20UV 5
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar12Extreme
Apr9Very high
May6High
Jun5High
Jul6High
Aug7Very high
Sep9Very high
Oct10Extreme
Nov12Extreme
Dec14Extreme

Air quality in Leslie 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 Leslie is worst in July — around 87 µg/m³ PM2.5 (unhealthy), about 3.6× the cleanest month (January, 24 µg/m³).

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

0306090JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorUnhealthyPoorModerateJul 1286 µg/m³Jan 1024 µg/m³
PM2.5 (µg/m³)Level
Jan24Moderate
Feb31Moderate
Mar39Poor
Apr56Unhealthy
May73Unhealthy
Jun83Unhealthy
Jul87Unhealthy
Aug72Unhealthy
Sep55Poor
Oct35Moderate
Nov26Moderate
Dec25Moderate
Location & terrain

Where is Leslie?

Leslie sits at 26.4°S, 28.9°E, 1,675 m above sea level, in South Africa. The nearest listed city is Lebohang, 1.0 km away.

Topography around Leslie

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

Within 3 km, the terrain around Leslie has only modest variations in elevation — a maximum elevation change of 82 m around an average of 1,659 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 187 m; within 80 km, large variations in elevation — a maximum elevation change of 661 m.

The land around Leslie is covered by grassland (65%) within 3 km, grassland (59%) and cropland (38%) within 16 km, and grassland (54%) and cropland (38%) within 80 km.

3 km
82 m
16 km
187 m
80 km
661 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Lebohang 1.0 km · Kinross 18 km · eMbalenhle 24 km · Secunda 32 km · Trichardt 34 km · Delmas 34 km · Kriel 36 km · Thubelihle 41 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 Leslie (-26.3674°, 28.9189°, elevation 1,675 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).