Luau weather in September

In September, Luau sees average daytime highs of 32°C and overnight lows near 19°C, with 25 mm of rain across 5.6 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 32°C through the month. The sky is clear or mostly clear about 41% of the time in September, and the air most often feels dry.

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

Daytime high
32°
1st warmest
Overnight low
19°
12th coldest
Rainfall
25 mm
5.6 wet days
Daylight
11 h 54 min
5:27 AM – 5:24 PM
Cloud cover
49%
5th clearest
Wind
7 km/h
5th windiest
Solar energy
6.07 kWh/m²
Travel score
4.2
out of 10

Luau is settlement in Angola.

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 32°C through the month.

A typical September day in Luau reaches about 32°C in the afternoon and slips back to 19°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 35°C. Set against its neighbours, September runs on par with August and about 2°C warmer than October.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13319
23319
33319
43319
53319
63319
73319
83319
93319
103319
113319
123319
133319
143319
153319
163320
173320
183220
193220
203220
213220
223220
233220
243220
253220
263220
273220
283219
293219
303219

How September really feels in Luau

Once humidity and wind are folded in, September averages 25 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
25
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in September is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Luau 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
Jan27° / 19°25527.712.63.7
Feb27° / 19°21724.612.43.7
Mar27° / 19°23426.712.13.9
Apr28° / 18°10515.311.85.2
May30° / 18°30.811.56.3
Jun30° / 16°00.111.47.0
Jul30° / 16°0011.46.8
Aug32° / 18°10.311.65.1
Sep32° / 19°255.611.94.2
Oct30° / 19°11319.112.23.8
Nov28° / 19°20626.212.53.7
Dec27° / 18°25628.212.63.6

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 41% 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 35%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17426
27426
37426
47327
57228
67228
77129
87030
97030
107030
116931
126931
136832
146832
156733
166733
176634
186535
196535
206436
216337
226238
236139
245941
255842
265644
275545
285347
295347
305149

Chance of precipitation in September

Any precipitation

Luau gets around 25 mm of rain over 5.6 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 20% and peaks near 43% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
13
24
34
45
56
66
77
88
99
1010
1111
1213
1314
1415
1517
1618
1720
1822
1923
2025
2127
2228
2330
2432
2534
2636
2738
2840
2942
3043

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the dry band about 46% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1801640
2781750
3771850
4742060
5722170
6712270
7672481
8652591
96226111
106027121
115828131
125528152
135329162
145030182
154730203
164431223
174231234
183931264
193631285
203431306
213131326
222930347
232629368
242428389
2523274010
2621264112
2719254313
2818244414
2916224616
3015214717

Wind in September

Winds average 7 km/h in September.

Across September, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
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 5:37 AM to 5:18 AM, and sunset from 5:25 PM to 5:23 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.85:375:25
211.85:365:25
311.85:365:24
411.85:355:24
511.85:355:24
611.85:345:24
711.95:335:24
811.95:335:24
911.95:325:24
1011.95:315:24
1111.95:315:24
1211.95:305:24
1311.95:295:24
1411.95:295:24
1511.95:285:24
1611.95:275:24
1712.05:265:24
1812.05:265:24
1912.05:255:23
2012.05:245:23
2112.05:245:23
2212.05:235:23
2312.05:225:23
2412.05:225:23
2512.05:215:23
2612.05:205:23
2712.15:205:23
2812.15:195:23
2912.15:195:23
3012.15:185:23

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.07 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.81 kWh/m² to a high of 6.07 kWh/m² in September across the year — September's 6.07 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.2Intense
26.2Intense
36.2Intense
46.2Intense
56.2Intense
66.1Intense
76.1Intense
86.1Intense
96.1Intense
106.1Intense
116.1Intense
126.1Intense
136.1Intense
146.1Intense
156.1Intense
166.1Intense
176.0Intense
186.0Intense
196.0Intense
206.0Intense
216.0Intense
226.0Intense
236.0Intense
246.0Intense
256.0Bright
266.0Bright
276.0Bright
286.0Bright
296.0Bright
306.0Bright
Planning a trip in September

Hazard calendar for Luau

In seasonPeak

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

Luau's monsoon runs November–March, when most of the year's rain falls.

Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is September a good time to visit Luau?

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

4.2
Sightseeing
6th-best month of the year
7.0
Beach & pool
5th-best month of the year

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

What to pack for Luau in September

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

In September, Luau sees daytime highs around 32°C and nights near 19°C. Pack light clothes and sun protection. About 6 days see rain.

light clothessun protection

UV index in Luau in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Luau peaks around January 20 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 18 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 20UV 15Jul 18UV 8
UV index (midday)Level
Jan16Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May10Very high
Jun9Very high
Jul8Very high
Aug9Very high
Sep11Extreme
Oct12Extreme
Nov13Extreme
Dec13Extreme

Air quality in Luau 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 Luau is worst in August — around 141 µg/m³ PM2.5 (unhealthy), about 19.6× the cleanest month (April, 7 µg/m³).

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

0306090120150JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateUnhealthyModerateGoodAug 13136 µg/m³Apr 118 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb12Good
Mar9Good
Apr7Good
May15Moderate
Jun45Poor
Jul114Unhealthy
Aug141Unhealthy
Sep72Unhealthy
Oct20Moderate
Nov10Good
Dec9Good
Location & terrain

Where is Luau?

Luau sits at 10.7°S, 22.2°E, 1,106 m above sea level, in Angola. The nearest listed city is Tshilenge, 79 km away.

MweneCazomboSaurimoMalembaMwinilungaChavumaLuena

Topography around Luau

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

Within 3 km, the terrain around Luau has only modest variations in elevation — a maximum elevation change of 61 m around an average of 1,093 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 148 m; within 80 km, significant variations in elevation — a maximum elevation change of 274 m.

The land around Luau is covered by grassland (57%) and artificial surfaces (25%) within 3 km, grassland (39%), trees (31%) and shrubs (26%) within 16 km, and trees (52%), grassland (24%) and shrubs (20%) within 80 km.

3 km
61 m
16 km
148 m
80 km
274 m
treesshrubsgrasslandcroplandartificial surfaceswetland
September weather nearby: Tshilenge 79 km · Mwene 122 km · Cazombo 152 km · Saurimo 232 km · Malemba 256 km · Mwinilunga 266 km · Chavuma 267 km · Luena 279 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 Luau (-10.7073°, 22.2247°, elevation 1,106 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).