Songo weather in September

In September, Songo sees average daytime highs of 28°C and overnight lows near 19°C, with 21 mm of rain across 5.8 wet days and about 12 hours of daylight. It is the 4th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 5% of the time in September, and the air most often feels humid.

Daylight stretches from about 11 h 54 min at the start of September to 12 h 06 min by month's end. Set against the rest of the year, September is Songo's 5th-clearest and 2nd-windiest month. For the whole year in context, see Songo's year-round climate.

Daytime high
28°
4th warmest
Overnight low
19°
4th coldest
Rainfall
21 mm
5.8 wet days
Daylight
12 hours
5:56 AM – 5:54 PM
Cloud cover
73%
5th clearest
Wind
6 km/h
2nd windiest
Solar energy
4.59 kWh/m²
Travel score
6.2
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical September day in Songo reaches about 28°C in the afternoon and slips back to 19°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 31°C. Set against its neighbours, September runs on par with August and on par with October.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12818
22818
32818
42818
52818
62819
72819
82819
92819
102819
112819
122819
132819
142819
152819
162819
172819
182819
192819
202819
212819
222819
232819
242819
252819
262819
272820
282820
292820
302820

Songo weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 20°17322.312.44.2
Feb29° / 21°14118.212.24.2
Mar29° / 21°19522.3123.8
Apr29° / 21°29826.711.83.3
May28° / 20°12416.511.75.2
Jun28° / 18°61.311.67.9
Jul28° / 17°10.211.67.9
Aug28° / 17°41.211.87.7
Sep28° / 19°215.8126.2
Oct28° / 20°15320.812.24.3
Nov28° / 20°26826.112.33.7
Dec28° / 20°23325.312.44.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 5% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 16% of September, with mostly cloudy or overcast conditions the remaining 79%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13466
23268
33169
43070
52872
62773
72575
82575
92476
102377
112278
122278
132278
142080
152080
162080
172080
181981
191783
201783
211783
221783
231783
241783
251684
261684
271585
281486
291486
301486

Chance of precipitation in September

Any precipitation

Songo gets around 21 mm of rain over 5.8 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 33% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)
19
29
310
410
511
612
713
814
915
1016
1118
1219
1320
1421
1522
1623
1724
1824
1924
2025
2125
2225
2325
2426
2526
2627
2728
2829
2931
3033

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 72% of days. Sticky, muggy-or-worse air turns up on roughly 22% of them.

0%25%50%75%100%151015202530
Comfortable (%)Humid (%)Muggy (%)
119765
217785
316795
415796
513816
612817
711818
810819
998110
1088012
1178013
1267915
1367717
1457718
1547620
1647422
1737324
1837225
1927127
2026929
2126830
2216732
2316633
2416534
2516336
2606337
2706139
2805941
2905743
3005446

Wind in September

Winds average 6 km/h in September.

Across September, daily wind ranges from about 6 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
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 54 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 12 minutes over September. Sunrise moves from 6:05 AM to 5:48 AM, and sunset from 5:56 PM to 5:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:055:56
211.96:045:56
311.96:045:56
411.96:035:56
511.96:025:56
611.96:025:55
711.96:015:55
811.96:015:55
911.96:005:55
1011.96:005:55
1111.95:595:55
1211.95:585:54
1311.95:585:54
1411.95:575:54
1512.05:575:54
1612.05:565:54
1712.05:565:54
1812.05:555:53
1912.05:545:53
2012.05:545:53
2112.05:535:53
2212.05:535:53
2312.05:525:53
2412.05:525:52
2512.05:515:52
2612.05:505:52
2712.05:505:52
2812.05:495:52
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 4.59 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.59 kWh/m² to a high of 5.33 kWh/m² in February across the year — September's 4.59 kWh/m² sits near the bottom.

024151015202530
Solar energy (kWh/m²)Level
14.6Bright
24.6Bright
34.6Bright
44.6Bright
54.6Bright
64.6Bright
74.6Bright
84.6Bright
94.6Bright
104.6Bright
114.6Bright
124.6Bright
134.6Bright
144.6Bright
154.6Bright
164.6Bright
174.6Bright
184.6Bright
194.6Bright
204.6Bright
214.6Bright
224.6Bright
234.6Bright
244.6Bright
254.6Bright
264.6Bright
274.6Bright
284.6Bright
294.6Bright
304.6Bright
Planning a trip in September

Hazard calendar for Songo

In seasonPeak

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

Songo'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 Songo?

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

6.2
Sightseeing
4th-best month of the year
7.0
Beach & pool
4th-best month of the year

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

What to pack for Songo in September

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

In September, Songo sees daytime highs around 28°C and nights near 19°C. Pack light clothes. Worth having: sun protection. About 6 days see rain.

light clothessun protection

UV index in Songo 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 Songo peaks around March 13 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near August 12 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeMar 13UV 15Aug 12UV 6
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May9Very high
Jun8Very high
Jul7High
Aug6High
Sep9Very high
Oct13Extreme
Nov11Extreme
Dec11Extreme

Air quality in Songo 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 Songo is worst in June — around 72 µg/m³ PM2.5 (unhealthy), about 6.6× the cleanest month (November, 11 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecModerateUnhealthyPoorUnhealthyModerateGoodJun 1970 µg/m³Nov 2211 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb14Moderate
Mar15Moderate
Apr15Moderate
May43Poor
Jun72Unhealthy
Jul60Unhealthy
Aug48Poor
Sep69Unhealthy
Oct20Moderate
Nov11Good
Dec12Good
Location & terrain

Where is Songo?

Songo sits at 7.4°S, 14.8°E, 721 m above sea level, in Angola. The nearest listed city is Uíge, 37 km away.

GombeMuxaluandoCamabatelaCage MazumboCanacassalaNzagi

Topography around Songo

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

Within 3 km, the terrain around Songo has only modest variations in elevation — a maximum elevation change of 92 m around an average of 685 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 620 m; within 80 km, large variations in elevation — a maximum elevation change of 988 m.

The land around Songo is covered by grassland (51%) and shrubs (20%) within 3 km, trees (44%) and grassland (39%) within 16 km, and grassland (52%) and trees (42%) within 80 km.

3 km
92 m
16 km
620 m
80 km
988 m
treesshrubsgrasslandartificial surfaces
September weather nearby: Uíge 37 km · Negage 65 km · Gombe 105 km · Muxaluando 105 km · Camabatela 110 km · Cage Mazumbo 119 km · Canacassala 121 km · Nzagi 125 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 Songo (-7.3521°, 14.8463°, elevation 721 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).