Tômbua weather in September

In September, Tômbua sees average daytime highs of 19°C and overnight lows near 16°C, with 0 mm of rain across 0 wet days and about 11.9 hours of daylight. It is the 11th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 19°C through the month. The sky is clear or mostly clear about 58% 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 Tômbua's 7th-clearest and 12th-windiest month. For the whole year in context, see Tômbua's year-round climate.

Daytime high
19°
11th warmest
Overnight low
16°
2nd coldest
Rainfall
0 mm
0 wet days
Daylight
11 h 54 min
6:10 AM – 6:04 PM
Cloud cover
38%
7th clearest
Wind
14 km/h
12th windiest
Solar energy
6.1 kWh/m²
Travel score
8.0
out of 10

Tômbua is town in Angola.

Density
3/km²
people per km²

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 19°C through the month.

A typical September day in Tômbua reaches about 19°C in the afternoon and slips back to 16°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 21°C. Set against its neighbours, September runs on par with August and about 2°C cooler than October.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
11916
21916
31916
41916
51916
61916
71916
81916
91916
101916
111916
121916
131916
141916
151916
161916
171916
181916
192016
202016
212016
222016
232017
242017
252017
262017
272017
282017
292017
302017

Tômbua 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
Jan24° / 21°13212.88.3
Feb25° / 22°152.212.58.2
Mar26° / 22°122.512.18.1
Apr25° / 22°30.711.79.1
May24° / 19°0011.39.6
Jun22° / 17°0011.19.1
Jul20° / 16°0011.28.4
Aug19° / 16°0011.57.8
Sep19° / 16°0011.98.0
Oct21° / 18°00.112.48.7
Nov23° / 19°20.512.79.0
Dec23° / 20°51.312.98.5

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 58% 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 22%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17327
27327
37327
47129
57129
67129
77129
87228
97327
107327
117426
127426
137624
147624
157723
167822
177822
187921
198020
208119
218218
228317
238416
248416
258515
268515
278614
288713
298713
308812

Chance of precipitation in September

Any precipitation

Tômbua gets around 0 mm of rain over 0 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 0% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
190
200
210
220
230
240
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 77% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
188111
288111
388012
478112
578013
677914
777815
867816
967816
1067717
1167618
1257619
1357619
1457520
1547620
1647620
1737621
1837621
1937621
2037522
2127622
2227622
2327523
2417623
2517623
2617524
2717524
2817425
2917326
3017227

Wind in September

Winds average 14 km/h in September, the calmest month.

Across September, daily wind ranges from about 14 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light 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
2715light breeze
2815light breeze
2915light breeze
3015light breeze

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 6:22 AM to 5:58 AM, and sunset from 6:03 PM to 6:06 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.76:226:03
211.76:216:03
311.76:206:03
411.76:196:03
511.76:196:03
611.86:186:03
711.86:176:04
811.86:166:04
911.86:156:04
1011.86:156:04
1111.86:146:04
1211.96:136:04
1311.96:126:04
1411.96:116:04
1511.96:106:04
1611.96:106:04
1711.96:096:04
1811.96:086:04
1912.06:076:05
2012.06:066:05
2112.06:056:05
2212.06:056:05
2312.06:046:05
2412.06:036:05
2512.06:026:05
2612.16:016:05
2712.16:016:05
2812.16:006:05
2912.15:596:06
3012.15:586:06

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.1 kWh/m².

For context, solar energy here swings from a low near 4.83 kWh/m² to a high of 7.64 kWh/m² in November across the year — September's 6.1 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.6Bright
25.7Bright
35.7Bright
45.7Bright
55.7Bright
65.8Bright
75.8Bright
85.8Bright
95.9Bright
105.9Bright
115.9Bright
126.0Bright
136.0Intense
146.0Intense
156.1Intense
166.1Intense
176.2Intense
186.2Intense
196.2Intense
206.3Intense
216.3Intense
226.3Intense
236.4Intense
246.4Intense
256.5Intense
266.5Intense
276.5Intense
286.6Intense
296.6Intense
306.7Intense
Planning a trip in September

Is September a good time to visit Tômbua?

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

8.0
Sightseeing
11th-best month of the year
3.7
Beach & pool
11th-best month of the year

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

What to pack for Tômbua in September

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

In September, Tômbua sees daytime highs around 19°C and nights near 16°C. Pack sun protection.

sun protection

Sea temperature near Tômbua 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 at the nearest coast (about 20 km away) is warmest in March at about 25°C and coldest in August near 18°C.

It's comfortable for a long swim from Oct 11 to Jun 16 — about 8.2 months when the water holds above 20°C.

20°25°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmcomfortable to swimcomfortable to swim
Sea temperature (°C)Comfort
Jan23Refreshing
Feb24Warm
Mar25Warm
Apr24Warm
May22Refreshing
Jun20Refreshing
Jul19Cool
Aug18Cool
Sep19Cool
Oct20Refreshing
Nov22Refreshing
Dec22Refreshing

UV index in Tômbua in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Tômbua peaks around January 17 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 7 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeJan 17UV 15Jun 21UV 7
UV index (midday)Level
Jan15Extreme
Feb14Extreme
Mar13Extreme
Apr11Extreme
May9Very high
Jun7High
Jul8Very high
Aug8Very high
Sep10Very high
Oct12Extreme
Nov13Extreme
Dec14Extreme
Location & terrain

Where is Tômbua?

Tômbua sits at 15.8°S, 11.8°E, 11 m above sea level, in Angola. The nearest listed city is Mossamedes, 75 km away.

VireiLubangoCamucuioCahamaQuipungoOpuwoHumbe

Topography around Tômbua

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

Within 3 km, the terrain around Tômbua has only modest variations in elevation — a maximum elevation change of 28 m around an average of 5 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 99 m; within 80 km, large variations in elevation — a maximum elevation change of 734 m.

The land around Tômbua is covered by bare terrain (53%) and water (37%) within 3 km, bare terrain (58%) and water (41%) within 16 km, and bare terrain (60%) and water (39%) within 80 km.

3 km
28 m
16 km
99 m
80 km
734 m
artificial surfacesbare terrainwater
September weather nearby: Mossamedes 75 km · Virei 119 km · Lubango 202 km · Camucuio 240 km · Cahama 269 km · Quipungo 309 km · Opuwo 329 km · Humbe 341 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 Tômbua (-15.8039°, 11.8448°, elevation 11 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).