Chindumbo weather in September

In September, Chindumbo sees average daytime highs of 29°C and overnight lows near 15°C, with 22 mm of rain across 7 wet days and about 11.9 hours of daylight. It is the 2nd-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 61% of the time in September, and the air most often feels comfortable.

Daylight stretches from about 11 h 48 min at the start of September to 12 h 06 min by month's end. Set against the rest of the year, September is Chindumbo's 5th-clearest and 5th-windiest month. For the whole year in context, see Chindumbo's year-round climate.

Daytime high
29°
2nd warmest
Overnight low
15°
4th coldest
Rainfall
22 mm
7 wet days
Daylight
11 h 54 min
5:58 AM – 5:54 PM
Cloud cover
38%
5th clearest
Wind
5 km/h
5th windiest
Solar energy
5.98 kWh/m²
Travel score
6.0
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical September day in Chindumbo reaches about 29°C in the afternoon and slips back to 15°C overnight — a 14°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 32°C. Set against its neighbours, September runs on par with August and about 1°C warmer than October.

10°15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13014
23014
33014
43014
53015
62915
72915
82915
92915
102915
112915
122915
132915
142915
152915
162915
172915
182916
192916
202916
212916
222916
232916
242916
252916
262916
272916
282917
292917
302917

Chindumbo weather by month

How September compares with the rest of the year at a glance. September is the 2nd-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 17°11216.812.65.4
Feb27° / 17°11115.112.45.3
Mar27° / 17°18222.712.14.5
Apr28° / 17°9717.711.75.1
May29° / 16°51.611.56.9
Jun29° / 14°0011.37.5
Jul29° / 13°0011.47.4
Aug30° / 14°20.511.67.0
Sep29° / 15°22711.96.0
Oct28° / 17°1082312.34.3
Nov26° / 18°17025.912.64.0
Dec25° / 17°14820.412.74.9

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 61% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 23% 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 (%)
1919
2919
3919
49010
59010
69010
79010
89010
98911
108911
118812
128812
138713
148614
158614
168515
178416
188416
198218
208218
218119
227921
237921
247822
257822
267624
277624
287525
297426
307327

Chance of precipitation in September

Any precipitation

Chindumbo gets around 22 mm of rain over 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 24% and peaks near 50% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
16
26
37
47
57
68
79
89
910
1011
1113
1214
1316
1418
1520
1622
1724
1826
1929
2031
2133
2235
2337
2439
2541
2643
2745
2847
2948
3050

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 58% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1316450
2296650
3286750
4276760
5266860
6256870
7236980
8226990
92169100
102069110
111968130
121768150
131667170
141566190
151365220
161263250
171062280
18960310
19857350
20656380
21554410
22452440
23349470
24347500
25245530
26242551
27140581
28139591
29137602
30135622

Wind in September

Winds average 5 km/h in September.

Across September, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 48 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 18 minutes over September. Sunrise moves from 6:09 AM to 5:49 AM, and sunset from 5:55 PM to 5:54 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.86:095:55
211.86:085:55
311.86:075:55
411.86:075:55
511.86:065:55
611.86:055:55
711.86:055:55
811.86:045:55
911.96:035:55
1011.96:035:55
1111.96:025:55
1211.96:015:55
1311.96:015:55
1411.96:005:55
1511.95:595:55
1611.95:585:54
1711.95:585:54
1812.05:575:54
1912.05:565:54
2012.05:565:54
2112.05:555:54
2212.05:545:54
2312.05:535:54
2412.05:535:54
2512.05:525:54
2612.05:515:54
2712.15:515:54
2812.15:505:54
2912.15:495:54
3012.15:495:54

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.98 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.99 kWh/m² to a high of 5.98 kWh/m² in September across the year — September's 5.98 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.0Intense
26.0Intense
36.0Intense
46.0Intense
56.0Intense
66.0Intense
76.0Intense
86.1Intense
96.0Intense
106.0Intense
116.0Intense
126.0Intense
136.0Intense
146.0Intense
156.0Intense
166.0Bright
176.0Bright
186.0Bright
195.9Bright
205.9Bright
215.9Bright
225.9Bright
235.9Bright
245.9Bright
255.9Bright
265.8Bright
275.8Bright
285.8Bright
295.8Bright
305.8Bright
Planning a trip in September

Hazard calendar for Chindumbo

In seasonPeak

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

Chindumbo's rainy season runs October–April, 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 Chindumbo?

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

6.0
Sightseeing
5th-best month of the year
7.8
Beach & pool
5th-best month of the year

September is a reasonable time to visit Chindumbo for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Chindumbo in September

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

In September, Chindumbo sees daytime highs around 29°C and nights near 15°C. Pack light clothes. Worth having: sun protection. About 7 days see rain.

light clothessun protection

UV index in Chindumbo 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 Chindumbo peaks around January 19 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near August 11 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeJan 19UV 16Aug 11UV 8
UV index (midday)Level
Jan16Extreme
Feb14Extreme
Mar15Extreme
Apr13Extreme
May10Very high
Jun9Very high
Jul8Very high
Aug8Very high
Sep10Very high
Oct12Extreme
Nov13Extreme
Dec13Extreme

Air quality in Chindumbo 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 Chindumbo is worst in August — around 81 µg/m³ PM2.5 (unhealthy), about 9.5× the cleanest month (December, 9 µg/m³).

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

0306090JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateUnhealthyModerateGoodAug 980 µg/m³Dec 159 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb9Good
Mar10Good
Apr11Good
May22Moderate
Jun46Poor
Jul80Unhealthy
Aug81Unhealthy
Sep49Poor
Oct24Moderate
Nov9Good
Dec9Good
Location & terrain

Where is Chindumbo?

Chindumbo sits at 11.9°S, 14.5°E, 992 m above sea level, in Angola. The nearest listed city is Cubal do Lumbo, 55 km away.

CapundaQuisseculaCelaConda

Topography around Chindumbo

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

Within 3 km, the terrain around Chindumbo has significant variations in elevation — a maximum elevation change of 417 m around an average of 1,009 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 903 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,559 m.

The land around Chindumbo is covered by grassland (40%), shrubs (30%) and trees (25%) within 3 km, grassland (37%), shrubs (32%) and trees (26%) within 16 km, and shrubs (31%), grassland (28%) and trees (25%) within 80 km.

3 km
417 m
16 km
903 m
80 km
2,559 m
treesshrubsgrasslandcroplandwater
September weather nearby: Cubal do Lumbo 55 km · Balombo 56 km · Ucu Seles 62 km · Bocoio 68 km · Capunda 91 km · Quissecula 92 km · Cela 93 km · Conda 95 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 Chindumbo (-11.95°, 14.4667°, elevation 992 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).