Le Roux weather in September

In September, Le Roux sees average daytime highs of 18°C and overnight lows near 9°C, with 67 mm of rain across 8.7 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 17°C in the first days to 19°C by the end. The sky is clear or mostly clear about 36% 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 Le Roux's 12th-clearest and 7th-windiest month. For the whole year in context, see Le Roux's year-round climate.

Daytime high: 18°; 9th warmest
Overnight low: 9°; 4th coldest
Rainfall: 67 mm; 8.7 wet days
Daylight: 11 h 48 min; 6:44 AM – 6:32 PM
Cloud cover: 51%; 12th clearest
Wind: 10 km/h; 7th windiest
Solar energy: 4.73 kWh/m²
Travel score: 6.2; out of 10

← August Le Roux year-round climate October →Best places to visit in September

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 17°C in the first days to 19°C by the end.

A typical September day in Le Roux reaches about 18°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 13°C and 24°C. Set against its neighbours, September runs about 2°C warmer than August and about 3°C cooler than October.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Avg high (°C)	17	17	17	17	17	17	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	19	19	19	19	19	19	19	19
Avg low (°C)	8	8	8	8	8	8	8	8	8	8	8	8	8	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9

	Avg high (°C)	Avg low (°C)
1	17	8
2	17	8
3	17	8
4	17	8
5	17	8
6	17	8
7	18	8
8	18	8
9	18	8
10	18	8
11	18	8
12	18	8
13	18	8
14	18	9
15	18	9
16	18	9
17	18	9
18	18	9
19	18	9
20	18	9
21	18	9
22	18	9
23	19	9
24	19	9
25	19	9
26	19	9
27	19	9
28	19	9
29	19	9
30	19	9

Le Roux 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.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	27° / 16°	25	4.3	14	8.0
Feb	27° / 16°	21	4	13.3	7.9
Mar	26° / 15°	25	4.5	12.3	8.1
Apr	23° / 12°	57	6.1	11.2	7.7
May	20° / 10°	84	8.9	10.3	6.6
Jun	17° / 7°	126	11	9.8	5.3
Jul	16° / 6°	113	9.9	10	5.3
Aug	16° / 7°	96	11.1	10.7	5.3
Sep	18° / 9°	67	8.7	11.8	6.2
Oct	21° / 11°	49	7.5	12.9	7.0
Nov	23° / 12°	47	6.6	13.8	7.6
Dec	25° / 15°	28	5.3	14.2	8.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 36% 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 46%.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Clearer (%)	51	51	51	51	52	52	52	52	53	54	54	54	55	55	55	55	55	55	55	55	54	55	54	54	54	54	54	54	54	54
Cloudier (%)	49	49	49	49	48	48	48	48	47	46	46	46	45	45	45	45	45	45	45	45	46	45	46	46	46	46	46	46	46	46

	Clearer (%)	Cloudier (%)
1	51	49
2	51	49
3	51	49
4	51	49
5	52	48
6	52	48
7	52	48
8	52	48
9	53	47
10	54	46
11	54	46
12	54	46
13	55	45
14	55	45
15	55	45
16	55	45
17	55	45
18	55	45
19	55	45
20	55	45
21	54	46
22	55	45
23	54	46
24	54	46
25	54	46
26	54	46
27	54	46
28	54	46
29	54	46
30	54	46

Chance of precipitation in September

Any precipitation

Le Roux gets around 67 mm of rain over 8.7 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 29% and peaks near 33% on the wettest days.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Rain chance (%)	33	33	32	32	31	31	30	30	30	30	30	29	29	29	29	29	29	29	29	29	29	29	28	28	27	27	27	26	26	26

	Rain chance (%)
1	33
2	33
3	32
4	32
5	31
6	31
7	30
8	30
9	30
10	30
11	30
12	29
13	29
14	29
15	29
16	29
17	29
18	29
19	29
20	29
21	29
22	29
23	28
24	28
25	27
26	27
27	27
28	26
29	26
30	26

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 97% of days. It rarely turns muggy — the humid and sticky bands barely register.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Dry (%)	99	99	99	99	98	98	98	98	98	97	97	97	96	96	96	96	96	96	96	96	96	96	96	96	96	96	96	96	96	95
Comfortable (%)	1	1	1	1	2	2	2	2	2	3	3	3	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	5

	Dry (%)	Comfortable (%)
1	99	1
2	99	1
3	99	1
4	99	1
5	98	2
6	98	2
7	98	2
8	98	2
9	98	2
10	97	3
11	97	3
12	97	3
13	96	4
14	96	4
15	96	4
16	96	4
17	96	4
18	96	4
19	96	4
20	96	4
21	96	4
22	96	4
23	96	4
24	96	4
25	96	4
26	96	4
27	96	4
28	96	4
29	96	4
30	95	5

Wind in September

Winds average 10 km/h in September.

Across September, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Wind speed (km/h)	9	9	9	9	9	9	9	9	9	9	9	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

	Wind speed (km/h)	Feels
1	9	calm
2	9	calm
3	9	calm
4	9	calm
5	9	calm
6	9	calm
7	9	calm
8	9	calm
9	9	calm
10	9	calm
11	9	calm
12	10	calm
13	10	calm
14	10	calm
15	10	calm
16	10	calm
17	10	calm
18	10	calm
19	10	calm
20	10	calm
21	10	calm
22	10	calm
23	10	calm
24	10	calm
25	10	calm
26	10	calm
27	10	calm
28	10	calm
29	10	calm
30	10	calm

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 7:06 AM to 6:24 AM, and sunset from 6:21 PM to 6:42 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Daylight (h)	11.3	11.3	11.3	11.4	11.4	11.4	11.5	11.5	11.5	11.6	11.6	11.6	11.7	11.7	11.8	11.8	11.8	11.9	11.9	11.9	12.0	12.0	12.0	12.1	12.1	12.2	12.2	12.2	12.3	12.3
Sunrise (AM)	7:06	7:04	7:03	7:01	7:00	6:59	6:57	6:56	6:54	6:53	6:51	6:50	6:48	6:47	6:46	6:44	6:43	6:41	6:40	6:38	6:37	6:35	6:34	6:33	6:31	6:30	6:28	6:27	6:25	6:24
Sunset (PM)	6:21	6:22	6:23	6:23	6:24	6:25	6:25	6:26	6:27	6:27	6:28	6:29	6:30	6:30	6:31	6:32	6:32	6:33	6:34	6:35	6:35	6:36	6:37	6:37	6:38	6:39	6:40	6:40	6:41	6:42

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	11.3	7:06	6:21
2	11.3	7:04	6:22
3	11.3	7:03	6:23
4	11.4	7:01	6:23
5	11.4	7:00	6:24
6	11.4	6:59	6:25
7	11.5	6:57	6:25
8	11.5	6:56	6:26
9	11.5	6:54	6:27
10	11.6	6:53	6:27
11	11.6	6:51	6:28
12	11.6	6:50	6:29
13	11.7	6:48	6:30
14	11.7	6:47	6:30
15	11.8	6:46	6:31
16	11.8	6:44	6:32
17	11.8	6:43	6:32
18	11.9	6:41	6:33
19	11.9	6:40	6:34
20	11.9	6:38	6:35
21	12.0	6:37	6:35
22	12.0	6:35	6:36
23	12.0	6:34	6:37
24	12.1	6:33	6:37
25	12.1	6:31	6:38
26	12.2	6:30	6:39
27	12.2	6:28	6:40
28	12.2	6:27	6:40
29	12.3	6:25	6:41
30	12.3	6:24	6:42

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.73 kWh/m².

For context, solar energy here swings from a low near 2.46 kWh/m² to a high of 8.02 kWh/m² in January across the year — September's 4.73 kWh/m² falls in the middle.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Solar energy (kWh/m²)	4.0	4.0	4.1	4.1	4.2	4.3	4.3	4.3	4.4	4.5	4.5	4.6	4.6	4.7	4.7	4.8	4.8	4.8	4.9	4.9	5.0	5.0	5.1	5.1	5.2	5.2	5.3	5.3	5.4	5.5
Level	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright

	Solar energy (kWh/m²)	Level
1	4.0	Bright
2	4.0	Bright
3	4.1	Bright
4	4.1	Bright
5	4.2	Bright
6	4.3	Bright
7	4.3	Bright
8	4.3	Bright
9	4.4	Bright
10	4.5	Bright
11	4.5	Bright
12	4.6	Bright
13	4.6	Bright
14	4.7	Bright
15	4.7	Bright
16	4.8	Bright
17	4.8	Bright
18	4.8	Bright
19	4.9	Bright
20	4.9	Bright
21	5.0	Bright
22	5.0	Bright
23	5.1	Bright
24	5.1	Bright
25	5.2	Bright
26	5.2	Bright
27	5.3	Bright
28	5.3	Bright
29	5.4	Bright
30	5.5	Bright

Planning a trip in September

Hazard calendar for Le Roux

In seasonPeak

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

Le Roux's rainy season runs April–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 Le Roux?

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

6.2

Sightseeing

9th-best month of the year

2.1

Beach & pool

9th-best month of the year

September is a reasonable time to visit Le Roux for sightseeing.

What to pack for Le Roux in September

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

In September, Le Roux sees daytime highs around 18°C and nights near 9°C. Worth packing: rain gear and sun protection. About 9 days see rain.

rain gearsun protection

Sea temperature near Le Roux 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 33 km away) is warmest in January at about 19°C and coldest in July near 15°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sea temperature (°C)	19	18	17	16	16	15	15	15	15	16	17	18
Comfort	Cool	Cool	Cool	Cool	Cool	Cool	Bracing	Bracing	Cool	Cool	Cool	Cool

	Sea temperature (°C)	Comfort
Jan	19	Cool
Feb	18	Cool
Mar	17	Cool
Apr	16	Cool
May	16	Cool
Jun	15	Cool
Jul	15	Bracing
Aug	15	Bracing
Sep	15	Cool
Oct	16	Cool
Nov	17	Cool
Dec	18	Cool

UV index in Le Roux 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 Le Roux peaks around January 13 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	13	10	10	6	4	3	3	4	6	10	12	12
Level	Extreme	Very high	Very high	High	Moderate	Moderate	Moderate	Moderate	High	Extreme	Extreme	Extreme

	UV index (midday)	Level
Jan	13	Extreme
Feb	10	Very high
Mar	10	Very high
Apr	6	High
May	4	Moderate
Jun	3	Moderate
Jul	3	Moderate
Aug	4	Moderate
Sep	6	High
Oct	10	Extreme
Nov	12	Extreme
Dec	12	Extreme

Air quality in Le Roux 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 Le Roux 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).

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	20	19	28	41	52	50	47	41	33	29	18	15
Level	Moderate	Moderate	Moderate	Poor	Poor	Poor	Poor	Poor	Moderate	Moderate	Moderate	Moderate

	PM2.5 (µg/m³)	Level
Jan	20	Moderate
Feb	19	Moderate
Mar	28	Moderate
Apr	41	Poor
May	52	Poor
Jun	50	Poor
Jul	47	Poor
Aug	41	Poor
Sep	33	Moderate
Oct	29	Moderate
Nov	18	Moderate
Dec	15	Moderate

Location & terrain

Where is Le Roux?

Le Roux sits at 33.9°S, 19.1°E, 247 m above sea level, in South Africa. The nearest listed city is Franschhoek, 3.0 km away.

Topography around Le Roux

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

Within 3 km, the terrain around Le Roux has large variations in elevation — a maximum elevation change of 1,040 m around an average of 435 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,752 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,254 m.

The land around Le Roux is covered by grassland (33%) and shrubs (26%) within 3 km, grassland (57%) and shrubs (23%) within 16 km, and grassland (32%) and cropland (22%) within 80 km.

3 km

1,040 m

grassland 33%

16 km

1,752 m

grassland 57%

80 km

2,254 m

grassland 32%

treesshrubsgrasslandcroplandartificial surfaceswater

← August Le Roux year-round climate October →Best places to visit in September

September weather nearby: Franschhoek 3.0 km · Paarl 21 km · Stellenbosch 22 km · Wellington 29 km · Grabouw 30 km · Somerset West 34 km · Kraaifontein 36 km · Kuils River 37 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

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 Le Roux (-33.8906°, 19.1033°, elevation 247 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).

	Avg high (°C)	Avg low (°C)
1	17	8
2	17	8
3	17	8
4	17	8
5	17	8
6	17	8
7	18	8
8	18	8
9	18	8
10	18	8
11	18	8
12	18	8
13	18	8
14	18	9
15	18	9
16	18	9
17	18	9
18	18	9
19	18	9
20	18	9
21	18	9
22	18	9
23	19	9
24	19	9
25	19	9
26	19	9
27	19	9
28	19	9
29	19	9
30	19	9

	Clearer (%)	Cloudier (%)
1	51	49
2	51	49
3	51	49
4	51	49
5	52	48
6	52	48
7	52	48
8	52	48
9	53	47
10	54	46
11	54	46
12	54	46
13	55	45
14	55	45
15	55	45
16	55	45
17	55	45
18	55	45
19	55	45
20	55	45
21	54	46
22	55	45
23	54	46
24	54	46
25	54	46
26	54	46
27	54	46
28	54	46
29	54	46
30	54	46

	Rain chance (%)
1	33
2	33
3	32
4	32
5	31
6	31
7	30
8	30
9	30
10	30
11	30
12	29
13	29
14	29
15	29
16	29
17	29
18	29
19	29
20	29
21	29
22	29
23	28
24	28
25	27
26	27
27	27
28	26
29	26
30	26

	Dry (%)	Comfortable (%)
1	99	1
2	99	1
3	99	1
4	99	1
5	98	2
6	98	2
7	98	2
8	98	2
9	98	2
10	97	3
11	97	3
12	97	3
13	96	4
14	96	4
15	96	4
16	96	4
17	96	4
18	96	4
19	96	4
20	96	4
21	96	4
22	96	4
23	96	4
24	96	4
25	96	4
26	96	4
27	96	4
28	96	4
29	96	4
30	95	5

	Avg high (°C)	Avg low (°C)
1	17	8
2	17	8
3	17	8
4	17	8
5	17	8
6	17	8
7	18	8
8	18	8
9	18	8
10	18	8
11	18	8
12	18	8
13	18	8
14	18	9
15	18	9
16	18	9
17	18	9
18	18	9
19	18	9
20	18	9
21	18	9
22	18	9
23	19	9
24	19	9
25	19	9
26	19	9
27	19	9
28	19	9
29	19	9
30	19	9

	Clearer (%)	Cloudier (%)
1	51	49
2	51	49
3	51	49
4	51	49
5	52	48
6	52	48
7	52	48
8	52	48
9	53	47
10	54	46
11	54	46
12	54	46
13	55	45
14	55	45
15	55	45
16	55	45
17	55	45
18	55	45
19	55	45
20	55	45
21	54	46
22	55	45
23	54	46
24	54	46
25	54	46
26	54	46
27	54	46
28	54	46
29	54	46
30	54	46

	Rain chance (%)
1	33
2	33
3	32
4	32
5	31
6	31
7	30
8	30
9	30
10	30
11	30
12	29
13	29
14	29
15	29
16	29
17	29
18	29
19	29
20	29
21	29
22	29
23	28
24	28
25	27
26	27
27	27
28	26
29	26
30	26

	Dry (%)	Comfortable (%)
1	99	1
2	99	1
3	99	1
4	99	1
5	98	2
6	98	2
7	98	2
8	98	2
9	98	2
10	97	3
11	97	3
12	97	3
13	96	4
14	96	4
15	96	4
16	96	4
17	96	4
18	96	4
19	96	4
20	96	4
21	96	4
22	96	4
23	96	4
24	96	4
25	96	4
26	96	4
27	96	4
28	96	4
29	96	4
30	95	5

	Avg high (°C)	Avg low (°C)
1	17	8
2	17	8
3	17	8
4	17	8
5	17	8
6	17	8
7	18	8
8	18	8
9	18	8
10	18	8
11	18	8
12	18	8
13	18	8
14	18	9
15	18	9
16	18	9
17	18	9
18	18	9
19	18	9
20	18	9
21	18	9
22	18	9
23	19	9
24	19	9
25	19	9
26	19	9
27	19	9
28	19	9
29	19	9
30	19	9

	Clearer (%)	Cloudier (%)
1	51	49
2	51	49
3	51	49
4	51	49
5	52	48
6	52	48
7	52	48
8	52	48
9	53	47
10	54	46
11	54	46
12	54	46
13	55	45
14	55	45
15	55	45
16	55	45
17	55	45
18	55	45
19	55	45
20	55	45
21	54	46
22	55	45
23	54	46
24	54	46
25	54	46
26	54	46
27	54	46
28	54	46
29	54	46
30	54	46

	Rain chance (%)
1	33
2	33
3	32
4	32
5	31
6	31
7	30
8	30
9	30
10	30
11	30
12	29
13	29
14	29
15	29
16	29
17	29
18	29
19	29
20	29
21	29
22	29
23	28
24	28
25	27
26	27
27	27
28	26
29	26
30	26

	Dry (%)	Comfortable (%)
1	99	1
2	99	1
3	99	1
4	99	1
5	98	2
6	98	2
7	98	2
8	98	2
9	98	2
10	97	3
11	97	3
12	97	3
13	96	4
14	96	4
15	96	4
16	96	4
17	96	4
18	96	4
19	96	4
20	96	4
21	96	4
22	96	4
23	96	4
24	96	4
25	96	4
26	96	4
27	96	4
28	96	4
29	96	4
30	95	5