Mossamedes weather in September

In September, Mossamedes sees average daytime highs of 24°C and overnight lows near 16°C, with 0 mm of rain across 0.1 wet days and about 11.9 hours of daylight. It is the 11th-warmest and 8th-wettest month of the year here.

Highs climb over the month, from about 23°C in the first days to 25°C by the end. The sky is clear or mostly clear about 68% of the time in September, and the air most often feels comfortable.

Daylight stretches from about 11 h 42 min at the start of September to 12 h 06 min by month's end. Set against the rest of the year, September is Mossamedes's 7th-clearest and 6th-windiest month. For the whole year in context, see Mossamedes's year-round climate.

Daytime high
24°
11th warmest
Overnight low
16°
3rd coldest
Rainfall
0 mm
0.1 wet days
Daylight
11 h 54 min
6:08 AM – 6:03 PM
Cloud cover
31%
7th clearest
Wind
11 km/h
6th windiest
Solar energy
6.38 kWh/m²
Travel score
9.1
out of 10

Mossamedes is city in Angola.

Density
28,600/km²
people per km²
Founded
1840

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 23°C in the first days to 25°C by the end.

A typical September day in Mossamedes reaches about 24°C in the afternoon and slips back to 16°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 26°C. Set against its neighbours, September runs about 1°C warmer than August and about 2°C cooler than October.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12315
22315
32315
42315
52315
62315
72415
82415
92416
102416
112416
122416
132416
142416
152416
162416
172416
182416
192416
202416
212416
222416
232516
242516
252516
262517
272517
282517
292517
302517

How September really feels in Mossamedes

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.

Mossamedes weather by month

How September compares with the rest of the year at a glance. September is the 11th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 20°183.412.86.6
Feb29° / 21°253.712.56.0
Mar30° / 22°36612.15.4
Apr31° / 22°142.511.75.8
May30° / 19°0011.37.1
Jun27° / 16°0011.19.0
Jul25° / 15°0011.29.3
Aug23° / 15°0011.59.0
Sep24° / 16°00.111.99.1
Oct26° / 18°20.512.38.7
Nov28° / 19°51.312.77.6
Dec28° / 20°153.312.97.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 68% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 20% of September, with mostly cloudy or overcast conditions the remaining 12%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18812
28812
38812
48713
58713
68713
78713
88614
98614
108614
118713
128713
138713
148713
158713
168713
178812
188812
198812
208812
218812
228812
238812
248812
258812
268812
278812
288911
298911
308911

Chance of precipitation in September

Any precipitation

Mossamedes gets around 0 mm of rain over 0.1 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 0% and peaks near 1% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
10
20
30
40
50
60
70
80
90
100
110
120
130
141
151
161
171
181
191
201
211
221
231
241
250
260
270
280
290
300

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 74% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
113816
213807
312817
412808
512808
612799
7117910
8117811
9117712
10117613
11117514
12107614
13107515
14107416
1597417
1697417
1797318
1887319
1987220
2077221
2177122
2267222
2357223
2457124
2557025
2647026
2747026
2846927
2946828
3046729

Wind in September

Winds average 11 km/h in September.

Across September, daily wind ranges from about 11 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 42 min at the start of September to 12 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 24 minutes over September. Sunrise moves from 6:20 AM to 5:57 AM, and sunset from 6:02 PM to 6:04 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.76:206:02
211.76:196:02
311.76:196:02
411.76:186:02
511.86:176:02
611.86:166:03
711.86:156:03
811.86:156:03
911.86:146:03
1011.86:136:03
1111.86:126:03
1211.96:116:03
1311.96:116:03
1411.96:106:03
1511.96:096:03
1611.96:086:03
1711.96:076:03
1811.96:076:03
1912.06:066:03
2012.06:056:03
2112.06:046:04
2212.06:036:04
2312.06:036:04
2412.06:026:04
2512.06:016:04
2612.16:006:04
2712.15:596:04
2812.15:596:04
2912.15:586:04
3012.15:576:04

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.38 kWh/m².

For context, solar energy here swings from a low near 5 kWh/m² to a high of 7.61 kWh/m² in November across the year — September's 6.38 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.9Bright
26.0Bright
36.0Intense
46.0Intense
56.1Intense
66.1Intense
76.1Intense
86.2Intense
96.2Intense
106.2Intense
116.2Intense
126.3Intense
136.3Intense
146.3Intense
156.4Intense
166.4Intense
176.4Intense
186.5Intense
196.5Intense
206.5Intense
216.6Intense
226.6Intense
236.6Intense
246.7Intense
256.7Intense
266.7Intense
276.8Intense
286.8Intense
296.8Intense
306.8Intense
Planning a trip in September

Is September a good time to visit Mossamedes?

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

9.1
Sightseeing
2nd-best month of the year
7.7
Beach & pool
10th-best month of the year

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

What to pack for Mossamedes in September

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

In September, Mossamedes sees daytime highs around 24°C and nights near 16°C. Pack sun protection. Worth having: light clothes.

sun protectionlight clothes

Sea temperature near Mossamedes in September

The nearest coast averages about 19°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in March at about 26°C and coldest in August near 19°C.

It's comfortable for a long swim from Sep 29 to Jul 6 — about 9.2 months when the water holds above 20°C.

20°25°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmcomfortable to swimcomfortable to swim
Sea temperature (°C)Comfort
Jan24Refreshing
Feb25Warm
Mar26Warm
Apr25Warm
May23Refreshing
Jun21Refreshing
Jul20Cool
Aug19Cool
Sep19Cool
Oct21Refreshing
Nov23Refreshing
Dec23Refreshing

UV index in Mossamedes 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 Mossamedes peaks around January 18 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 7 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highVery highExtremeJan 18UV 14Jun 20UV 7
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar12Extreme
Apr11Extreme
May9Very high
Jun7High
Jul7Very high
Aug7High
Sep9Very high
Oct11Extreme
Nov13Extreme
Dec13Extreme
Location & terrain

Where is Mossamedes?

Mossamedes sits at 15.2°S, 12.2°E, 13 m above sea level, in Angola. The nearest listed city is Tômbua, 75 km away.

VireiLubangoCamucuioQuipungoCahamaDombe GrandeCaluquembe

Topography around Mossamedes

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

Within 3 km, the terrain around Mossamedes has only modest variations in elevation — a maximum elevation change of 66 m around an average of 26 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 313 m; within 80 km, large variations in elevation — a maximum elevation change of 1,175 m.

The land around Mossamedes is covered by bare terrain (39%), artificial surfaces (33%) and water (22%) within 3 km, bare terrain (65%) and water (29%) within 16 km, and bare terrain (45%), water (31%) and shrubs (22%) within 80 km.

3 km
66 m
16 km
313 m
80 km
1,175 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Tômbua 75 km · Virei 104 km · Lubango 147 km · Camucuio 168 km · Quipungo 259 km · Cahama 261 km · Dombe Grande 270 km · Caluquembe 287 km

Angola travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
220 V · 50 Hz
Prices
≈ 35% of US
price level, 2025
GDP per capita
$3,129
2025
Happiness
3.8 / 10
World Happiness, 2017
Homicide rate
4.1
per 100k, 2016
Road deaths
26.1
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
Very low
EF EPI 413
Religion
Roman Catholic 41%Protestant 38%none 12%other 9%

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 Mossamedes (-15.1961°, 12.1522°, elevation 13 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).