Golungo Alto weather in September

In September, Golungo Alto sees average daytime highs of 29°C and overnight lows near 19°C, with 16 mm of rain across 5 wet days and about 11.9 hours of daylight. It is the 6th-warmest and 9th-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 25% of the time in September, and the air most often feels humid.

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 Golungo Alto's 5th-clearest and 1st-windiest month. For the whole year in context, see Golungo Alto's year-round climate.

Daytime high
29°
6th warmest
Overnight low
19°
4th coldest
Rainfall
16 mm
5 wet days
Daylight
12 hours
5:57 AM – 5:54 PM
Cloud cover
59%
5th clearest
Wind
7 km/h
1st windiest
Solar energy
4.96 kWh/m²
Travel score
6.3
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 Golungo Alto reaches about 29°C in the afternoon and slips back to 19°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 31°C. Set against its neighbours, September runs about 1°C warmer than August and on par with October.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12818
22818
32818
42818
52818
62818
72818
82818
92918
102918
112918
122918
132919
142919
152919
162919
172919
182919
192919
202919
212919
222919
232919
242919
252919
262919
272919
282919
292919
302919

How September really feels in Golungo Alto

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.

Golungo Alto weather by month

How September compares with the rest of the year at a glance. September is the 6th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 21°10714.712.54.7
Feb30° / 21°11113.312.34.4
Mar29° / 21°20221.612.13.7
Apr29° / 22°26824.711.83.4
May29° / 20°376.711.66.0
Jun28° / 17°10.211.57.8
Jul28° / 16°0011.58.5
Aug28° / 17°41.111.78.0
Sep29° / 19°16511.96.3
Oct29° / 20°6613.112.25.0
Nov28° / 21°1932212.43.9
Dec28° / 21°15018.712.54.6

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 25% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 24% of September, with mostly cloudy or overcast conditions the remaining 51%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16436
26436
36337
46238
56139
66040
76040
85842
95842
105644
115545
125545
135347
145248
155149
165050
174852
184654
194654
204456
214357
224060
233961
243763
253664
263565
273367
283268
293070
302872

Chance of precipitation in September

Any precipitation

Golungo Alto gets around 16 mm of rain over 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 17% and peaks near 25% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)
18
28
38
49
59
610
711
811
912
1013
1115
1216
1317
1418
1518
1619
1720
1820
1921
2021
2122
2222
2323
2423
2523
2624
2724
2824
2925
3025

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the humid band about 81% of days. Sticky, muggy-or-worse air turns up on roughly 10% of them.

0%25%50%75%100%151015202530
Comfortable (%)Humid (%)Muggy (%)
130682
229692
327712
425732
523752
621772
719792
818802
916813
1014833
1112844
1210864
139865
147876
156886
165887
174888
183889
1938710
2028711
2128612
2218613
2318415
2418316
2518118
2617920
2707822
2807624
2907327
3007129

Wind in September

Winds average 7 km/h in September, the windiest month of the year.

Across September, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

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 6:06 AM to 5:48 AM, and sunset from 5:55 PM to 5:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.86:065:55
211.86:055:55
311.86:055:55
411.86:045:55
511.96:045:55
611.96:035:55
711.96:025:55
811.96:025:55
911.96:015:55
1011.96:015:54
1111.96:005:54
1211.95:595:54
1311.95:595:54
1411.95:585:54
1511.95:575:54
1612.05:575:54
1712.05:565:54
1812.05:555:54
1912.05:555:53
2012.05:545:53
2112.05:545:53
2212.05:535:53
2312.05:525:53
2412.05:525:53
2512.05:515:53
2612.05:515:53
2712.05:505:53
2812.15:495:53
2912.15:495:52
3012.15:485:52

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.96 kWh/m².

For context, solar energy here swings from a low near 4.3 kWh/m² to a high of 5.69 kWh/m² in February across the year — September's 4.96 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.1Bright
45.1Bright
55.1Bright
65.1Bright
75.1Bright
85.1Bright
95.1Bright
105.1Bright
115.1Bright
125.1Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
184.9Bright
194.9Bright
204.9Bright
214.8Bright
224.8Bright
234.8Bright
244.8Bright
254.7Bright
264.7Bright
274.7Bright
284.6Bright
294.6Bright
304.6Bright
Planning a trip in September

Hazard calendar for Golungo Alto

In seasonPeak

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

Golungo Alto's rainy season runs March–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 Golungo Alto?

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

6.3
Sightseeing
4th-best month of the year
7.6
Beach & pool
5th-best month of the year

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

What to pack for Golungo Alto in September

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

In September, Golungo Alto sees daytime highs around 29°C and nights near 19°C. Pack light clothes. Worth having: sun protection. About 5 days see rain.

light clothessun protection

UV index in Golungo Alto 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 Golungo Alto peaks around March 12 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near August 15 at about 7 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highVery highExtremeMar 12UV 15Aug 15UV 7
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May10Very high
Jun8Very high
Jul8Very high
Aug6High
Sep9Very high
Oct12Extreme
Nov12Extreme
Dec13Extreme

Air quality in Golungo Alto 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 Golungo Alto is worst in June — around 123 µg/m³ PM2.5 (unhealthy), about 7.3× the cleanest month (December, 17 µg/m³).

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

0306090120150JanFebMarAprMayJunJulAugSepOctNovDecModerateUnhealthyPoorModerateJun 21120 µg/m³Dec 1517 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb19Moderate
Mar19Moderate
Apr18Moderate
May35Moderate
Jun123Unhealthy
Jul106Unhealthy
Aug45Poor
Sep49Poor
Oct29Moderate
Nov17Moderate
Dec17Moderate
Location & terrain

Where is Golungo Alto?

Golungo Alto sits at 9.1°S, 14.8°E, 666 m above sea level, in Angola. The nearest listed city is N'dalatando, 24 km away.

Úcua

Topography around Golungo Alto

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

Within 3 km, the terrain around Golungo Alto has significant variations in elevation — a maximum elevation change of 329 m around an average of 633 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 868 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,421 m.

The land around Golungo Alto is covered by trees (90%) within 3 km, trees (82%) within 16 km, and trees (55%) and grassland (40%) within 80 km.

3 km
329 m
16 km
868 m
80 km
1,421 m
treesshrubsgrasslandartificial surfaces
September weather nearby: N'dalatando 24 km · Bula Atumba 51 km · Lucala 55 km · Pango Aluquém 57 km · Dondo 72 km · Piri 76 km · Cazombo 80 km · Úcua 86 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 Golungo Alto (-9.1333°, 14.7667°, elevation 666 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).