Folweni weather in September

In September, Folweni sees average daytime highs of 23°C and overnight lows near 15°C, with 58 mm of rain across 8.5 wet days and about 11.8 hours of daylight. It is the 8th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 23°C through the month. The sky is clear or mostly clear about 41% of the time in September, and the air most often feels comfortable.

Daylight stretches from about 11 h 24 min at the start of September to 12 h 18 min by month's end. Set against the rest of the year, September is Folweni's 6th-clearest and 5th-windiest month. For the whole year in context, see Folweni's year-round climate.

Daytime high
23°
8th warmest
Overnight low
15°
5th coldest
Rainfall
58 mm
8.5 wet days
Daylight
11 h 48 min
5:56 AM – 5:46 PM
Cloud cover
51%
6th clearest
Wind
12 km/h
5th windiest
Solar energy
4.52 kWh/m²
Travel score
7.2
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 23°C through the month.

A typical September day in Folweni reaches about 23°C in the afternoon and slips back to 15°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 29°C. Set against its neighbours, September runs on par with August and on par with October.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12414
22414
32414
42414
52414
62314
72314
82314
92314
102315
112315
122315
132315
142315
152315
162315
172315
182315
192315
202315
212315
222315
232315
242315
252315
262315
272315
282315
292315
302315

Folweni weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 20°9714.113.75.8
Feb27° / 21°8911.913.15.9
Mar27° / 20°9312.212.26.3
Apr25° / 17°728.411.37.2
May25° / 15°385.110.58.2
Jun23° / 12°263.810.18.5
Jul23° / 12°364.210.38.4
Aug23° / 13°335.510.98.0
Sep23° / 15°588.511.87.2
Oct23° / 16°9312.712.76.4
Nov24° / 17°10213.813.56.1
Dec26° / 19°10014.113.95.9

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 41% 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 46%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16535
26535
36436
46337
56238
66139
76139
86040
95941
105842
115743
125644
135545
145446
155347
165248
175248
185248
195149
205149
215050
224951
234951
244852
254852
264852
274753
284654
294555
304555

Chance of precipitation in September

Any precipitation

Folweni gets around 58 mm of rain over 8.5 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 29% and peaks near 38% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
121
222
323
423
524
624
725
826
926
1027
1127
1228
1328
1428
1529
1629
1730
1830
1930
2030
2131
2231
2332
2432
2533
2634
2735
2836
2937
3038

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the comfortable band about 42% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1514090
2504190
34941100
44842110
54742110
64642120
74543120
84443130
94343140
104243150
114143160
124043160
133943170
143843190
153743200
163643210
173543221
183443231
193343231
203243241
213243251
223142251
233142261
243042271
252942282
262841282
272841292
282741302
292641312
302541322

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 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
112calm
212calm
312calm
412calm
512calm
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 24 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 54 minutes over September. Sunrise moves from 6:16 AM to 5:38 AM, and sunset from 5:37 PM to 5:54 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.46:165:37
211.46:145:38
311.46:135:39
411.56:125:39
511.56:115:40
611.56:095:40
711.56:085:41
811.66:075:41
911.66:065:42
1011.66:045:42
1111.76:035:43
1211.76:025:44
1311.76:005:44
1411.85:595:45
1511.85:585:45
1611.85:565:46
1711.95:555:46
1811.95:545:47
1911.95:535:47
2011.95:515:48
2112.05:505:49
2212.05:495:49
2312.05:475:50
2412.15:465:50
2512.15:455:51
2612.15:435:51
2712.25:425:52
2812.25:415:53
2912.25:405:53
3012.35:385:54

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.52 kWh/m².

For context, solar energy here swings from a low near 3.16 kWh/m² to a high of 5.66 kWh/m² in January across the year — September's 4.52 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.3Bright
24.3Bright
34.4Bright
44.4Bright
54.4Bright
64.4Bright
74.4Bright
84.4Bright
94.4Bright
104.4Bright
114.5Bright
124.5Bright
134.5Bright
144.5Bright
154.5Bright
164.5Bright
174.5Bright
184.5Bright
194.5Bright
204.5Bright
214.6Bright
224.6Bright
234.6Bright
244.6Bright
254.6Bright
264.6Bright
274.6Bright
284.6Bright
294.6Bright
304.7Bright
Planning a trip in September

Hazard calendar for Folweni

In seasonPeak

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

Folweni sits in the South Indian Ocean cyclone belt; the season peaks January–March.

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

Is September a good time to visit Folweni?

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

7.2
Sightseeing
5th-best month of the year
5.7
Beach & pool
9th-best month of the year

September is one of the better times to visit Folweni for general sightseeing.

What to pack for Folweni in September

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

In September, Folweni sees daytime highs around 23°C and nights near 15°C. Worth packing: light clothes, rain gear and sun protection. About 9 days see rain.

light clothesrain gearsun protection

Sea temperature near Folweni in September

The nearest coast averages about 21°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 16 km away) is warmest in February at about 26°C and coldest in August near 21°C.

The water stays above 20°C all year — warm enough for a swim any month.

20°22°24°26°28°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan25Warm
Feb26Warm
Mar26Warm
Apr25Warm
May24Refreshing
Jun23Refreshing
Jul22Refreshing
Aug21Refreshing
Sep21Refreshing
Oct22Refreshing
Nov23Refreshing
Dec24Warm

UV index in Folweni in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Folweni peaks around January 16 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeHighModerateHighExtremeJan 16UV 13Jun 23UV 4
UV index (midday)Level
Jan13Extreme
Feb12Extreme
Mar10Very high
Apr5High
May5Moderate
Jun4Moderate
Jul4Moderate
Aug5High
Sep5High
Oct10Extreme
Nov10Very high
Dec12Extreme

Air quality in Folweni 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 Folweni is worst in July — around 148 µg/m³ PM2.5 (unhealthy), about 6.1× the cleanest month (January, 24 µg/m³).

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

0306090120150JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorUnhealthyPoorModerateJul 11147 µg/m³Jan 1625 µg/m³
PM2.5 (µg/m³)Level
Jan24Moderate
Feb31Moderate
Mar50Poor
Apr77Unhealthy
May126Unhealthy
Jun144Unhealthy
Jul148Unhealthy
Aug116Unhealthy
Sep88Unhealthy
Oct57Unhealthy
Nov41Poor
Dec30Moderate
Location & terrain

Where is Folweni?

Folweni sits at 30.0°S, 30.8°E, 318 m above sea level, in South Africa. The nearest listed city is Pinetown, 21 km away.

Topography around Folweni

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

Within 3 km, the terrain around Folweni has significant variations in elevation — a maximum elevation change of 313 m around an average of 261 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 737 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,631 m.

The land around Folweni is covered by grassland (39%), trees (36%) and artificial surfaces (21%) within 3 km, trees (44%) and grassland (28%) within 16 km, and trees (36%), water (28%) and grassland (24%) within 80 km.

3 km
313 m
16 km
737 m
80 km
1,631 m
treesshrubsgrasslandcroplandartificial surfaceswater
September weather nearby: Pinetown 21 km · eMkhomazi 23 km · Mpumalanga 26 km · Durban 26 km · Ntuzuma 32 km · Scottburgh 33 km · eMuziwezinto 38 km · Richmond 53 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 Folweni (-29.9957°, 30.8072°, elevation 318 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). 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).