Bocoio weather in September

In September, Bocoio sees average daytime highs of 29°C and overnight lows near 15°C, with 27 mm of rain across 6.4 wet days and about 11.9 hours of daylight. It is the 1st-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 65% 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 Bocoio's 5th-clearest and 3rd-windiest month. For the whole year in context, see Bocoio's year-round climate.

Daytime high
29°
1st warmest
Overnight low
15°
4th coldest
Rainfall
27 mm
6.4 wet days
Daylight
11 h 54 min
6:00 AM – 5:56 PM
Cloud cover
35%
5th clearest
Wind
5 km/h
3rd windiest
Solar energy
6.31 kWh/m²
Travel score
6.4
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 Bocoio 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 31°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)
12914
22914
32914
42914
52914
62914
72914
82914
92914
102914
112914
122914
132914
142914
152915
162915
172915
182915
192915
202915
212915
222915
232915
242915
252916
262916
272916
282916
292916
302916

Bocoio weather by month

How September compares with the rest of the year at a glance. September is the 1st-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan25° / 17°14317.412.75.3
Feb26° / 17°15916.612.45.1
Mar26° / 17°25624.312.14.3
Apr27° / 17°15919.911.74.9
May28° / 16°14311.47.7
Jun28° / 13°00.111.38.8
Jul28° / 13°0011.38.3
Aug29° / 13°20.311.67.6
Sep29° / 15°276.411.96.4
Oct28° / 17°13520.812.34.8
Nov26° / 17°24724.912.64.2
Dec25° / 17°19920.812.74.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 65% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 21% of September, with mostly cloudy or overcast conditions the remaining 14%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1919
2928
3928
4928
5928
6928
7919
8919
9919
10919
119010
129010
138911
148911
158812
168812
178713
188515
198515
208416
218317
228218
238218
248020
257921
267921
277723
287624
297525
307426

Chance of precipitation in September

Any precipitation

Bocoio gets around 27 mm of rain over 6.4 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 22% and peaks near 44% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
15
25
36
46
57
67
78
88
99
1010
1111
1213
1314
1416
1518
1620
1722
1824
1926
2028
2130
2233
2335
2436
2538
2640
2741
2842
2943
3044

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 61% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1415720
2395830
3385930
4376030
5356230
6346240
7336340
8316450
9306460
10286660
11266770
12246790
132268100
142068120
151868140
161668160
171468180
181366210
191165240
20965260
21863290
22662320
23560350
24458380
25356410
26254431
27251461
28249481
29147511
30144532

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 6:10 AM to 5:50 AM, and sunset from 5:56 PM to 5:56 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.86:105:56
211.86:105:56
311.86:095:56
411.86:085:56
511.86:085:56
611.86:075:56
711.86:065:56
811.86:065:56
911.86:055:56
1011.96:045:56
1111.96:035:56
1211.96:035:56
1311.96:025:56
1411.96:015:56
1511.96:015:56
1611.96:005:56
1711.95:595:56
1812.05:585:56
1912.05:585:56
2012.05:575:56
2112.05:565:56
2212.05:555:56
2312.05:555:56
2412.05:545:56
2512.05:535:56
2612.15:535:56
2712.15:525:56
2812.15:515:56
2912.15:515:56
3012.15:505:56

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.31 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 5.17 kWh/m² to a high of 6.31 kWh/m² in September across the year — September's 6.31 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.3Intense
26.3Intense
36.3Intense
46.3Intense
56.3Intense
66.3Intense
76.3Intense
86.3Intense
96.3Intense
106.3Intense
116.3Intense
126.3Intense
136.3Intense
146.3Intense
156.3Intense
166.3Intense
176.3Intense
186.3Intense
196.3Intense
206.3Intense
216.3Intense
226.3Intense
236.2Intense
246.2Intense
256.2Intense
266.2Intense
276.2Intense
286.2Intense
296.2Intense
306.2Intense
Planning a trip in September

Hazard calendar for Bocoio

In seasonPeak

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

Bocoio'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 Bocoio?

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

6.4
Sightseeing
5th-best month of the year
8.0
Beach & pool
5th-best month of the year

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

What to pack for Bocoio in September

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

In September, Bocoio sees daytime highs around 29°C and nights near 15°C. Pack light clothes and sun protection. About 6 days see rain.

light clothessun protection

Sea temperature near Bocoio 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 68 km away) is warmest in March at about 28°C and coldest in August near 20°C.

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

20°25°30°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan26Warm
Feb27Warm
Mar28Warm
Apr27Warm
May26Warm
Jun23Refreshing
Jul22Refreshing
Aug20Refreshing
Sep21Refreshing
Oct24Refreshing
Nov26Warm
Dec26Warm

UV index in Bocoio 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 Bocoio peaks around January 18 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near August 13 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 18UV 15Aug 13UV 8
UV index (midday)Level
Jan15Extreme
Feb14Extreme
Mar15Extreme
Apr12Extreme
May10Very high
Jun9Very high
Jul8Very high
Aug8Very high
Sep10Very high
Oct12Extreme
Nov14Extreme
Dec13Extreme

Air quality in Bocoio 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 Bocoio is worst in August — around 69 µg/m³ PM2.5 (unhealthy), about 7.8× the cleanest month (December, 9 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecGoodModeratePoorUnhealthyPoorModerateGoodAug 1367 µg/m³Dec 189 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb10Good
Mar11Good
Apr12Good
May21Moderate
Jun36Poor
Jul61Unhealthy
Aug69Unhealthy
Sep44Poor
Oct23Moderate
Nov9Good
Dec9Good
Location & terrain

Where is Bocoio?

Bocoio sits at 12.5°S, 14.1°E, 972 m above sea level, in Angola. The nearest listed city is Cubal do Lumbo, 18 km away.

Topography around Bocoio

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

Within 3 km, the terrain around Bocoio has only modest variations in elevation — a maximum elevation change of 134 m around an average of 963 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,333 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,559 m.

The land around Bocoio is covered by cropland (51%) and shrubs (30%) within 3 km, shrubs (48%) and cropland (25%) within 16 km, and shrubs (49%) within 80 km.

3 km
134 m
16 km
1,333 m
80 km
2,559 m
treesshrubsgrasslandcroplandartificial surfaceswater
September weather nearby: Cubal do Lumbo 18 km · Catumbela 64 km · Cubal 64 km · Lobito 66 km · Chindumbo 68 km · Balombo 70 km · Benguela 81 km · Ganda 81 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 Bocoio (-12.4702°, 14.1369°, elevation 972 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).