Negage weather in September

In September, Negage sees average daytime highs of 26°C and overnight lows near 17°C, with 108 mm of rain across 19.1 wet days and about 12 hours of daylight. It is the 8th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 11% 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 Negage's 5th-clearest and 3rd-windiest month. For the whole year in context, see Negage's year-round climate.

Daytime high
26°
8th warmest
Overnight low
17°
4th coldest
Rainfall
108 mm
19.1 wet days
Daylight
12 hours
5:54 AM – 5:52 PM
Cloud cover
67%
5th clearest
Wind
6 km/h
3rd windiest
Solar energy
5.19 kWh/m²
Travel score
5.2
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 26°C through the month.

A typical September day in Negage reaches about 26°C in the afternoon and slips back to 17°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 28°C. Set against its neighbours, September runs on par with August and on par with October.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12616
22616
32616
42616
52616
62616
72616
82616
92616
102616
112616
122617
132617
142617
152617
162617
172617
182617
192617
202617
212617
222617
232617
242617
252617
262617
272617
282617
292617
302617

Negage weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 18°17923.412.44.4
Feb27° / 18°14819.212.34.7
Mar27° / 18°22123.612.14.3
Apr27° / 18°25725.411.83.9
May27° / 18°9713.311.76.1
Jun27° / 15°101.911.68.1
Jul28° / 14°20.311.68.3
Aug27° / 15°234.911.77.5
Sep26° / 17°10819.1125.2
Oct26° / 18°2702812.23.8
Nov26° / 18°29926.712.43.9
Dec25° / 18°25226.312.44.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 11% 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 66%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15149
25149
35050
44951
54753
64654
74654
84456
94357
104060
114060
123862
133664
143565
153367
163268
173169
182872
192773
202773
212674
222575
232476
242377
252377
262278
272278
282179
292179
302080

Chance of precipitation in September

Any precipitation

Negage gets around 108 mm of rain over 19.1 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 63% and peaks near 81% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
137
238
340
441
543
645
747
849
951
1053
1156
1258
1360
1462
1565
1667
1769
1870
1972
2073
2175
2276
2377
2478
2579
2679
2780
2880
2981
3081

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 71% of days. Sticky, muggy-or-worse air turns up on roughly 7% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1153460
2151480
3051490
4048520
5046540
6044551
7041581
8039601
9036631
10033652
11030682
12027703
13024724
14021745
15019765
16016786
17013807
18011818
1909829
20078310
21068410
22058411
23038512
24038413
25028414
26028216
27018217
28018019
29017920
30017722

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
87calm
97calm
107calm
117calm
127calm
137calm
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 6:03 AM to 5:46 AM, and sunset from 5:54 PM to 5:50 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:035:54
211.96:035:54
311.96:025:54
411.96:015:54
511.96:015:54
611.96:005:53
711.96:005:53
811.95:595:53
911.95:595:53
1011.95:585:53
1111.95:575:53
1211.95:575:53
1311.95:565:52
1411.95:565:52
1512.05:555:52
1612.05:545:52
1712.05:545:52
1812.05:535:52
1912.05:535:52
2012.05:525:51
2112.05:525:51
2212.05:515:51
2312.05:505:51
2412.05:505:51
2512.05:495:51
2612.05:495:51
2712.05:485:50
2812.05:485:50
2912.15:475:50
3012.15:465:50

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.19 kWh/m².

For context, solar energy here swings from a low near 4.92 kWh/m² to a high of 5.53 kWh/m² in July across the year — September's 5.19 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.2Bright
55.2Bright
65.2Bright
75.2Bright
85.2Bright
95.2Bright
105.2Bright
115.2Bright
125.2Bright
135.2Bright
145.2Bright
155.2Bright
165.2Bright
175.2Bright
185.2Bright
195.2Bright
205.2Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
255.2Bright
265.2Bright
275.2Bright
285.2Bright
295.2Bright
305.2Bright
Planning a trip in September

Hazard calendar for Negage

In seasonPeak

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

Negage'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 Negage?

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

5.2
Sightseeing
5th-best month of the year
5.0
Beach & pool
5th-best month of the year

September is a reasonable time to visit Negage for sightseeing.

What to pack for Negage in September

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

In September, Negage sees daytime highs around 26°C and nights near 17°C. Pack rain gear. Worth having: light clothes and sun protection. About 19 days see rain.

rain gearlight clothessun protection

UV index in Negage 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 Negage peaks around March 12 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near August 14 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 14UV 7
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May9Very high
Jun9Very high
Jul8Very high
Aug7High
Sep9Very high
Oct13Extreme
Nov12Extreme
Dec11Extreme

Air quality in Negage 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 Negage 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 Negage?

Negage sits at 7.8°S, 15.3°E, 1,240 m above sea level, in Angola. The nearest listed city is Uíge, 29 km away.

Sanza PomboCazomboBula AtumbaGombe

Topography around Negage

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

Within 3 km, the terrain around Negage has only modest variations in elevation — a maximum elevation change of 163 m around an average of 1,227 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 510 m; within 80 km, large variations in elevation — a maximum elevation change of 1,046 m.

The land around Negage is covered by grassland (55%) within 3 km, grassland (59%) and trees (28%) within 16 km, and trees (46%) and grassland (44%) within 80 km.

3 km
163 m
16 km
510 m
80 km
1,046 m
treesshrubsgrasslandcroplandartificial surfaces
September weather nearby: Uíge 29 km · Camabatela 49 km · Songo 65 km · Nzagi 70 km · Sanza Pombo 94 km · Cazombo 109 km · Bula Atumba 114 km · Gombe 115 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 Negage (-7.7594°, 15.2722°, elevation 1,240 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).