Oku weather in September

In September, Oku sees average daytime highs of 22°C and overnight lows near 15°C, with 521 mm of rain across 29.9 wet days and about 12 hours of daylight. It is the 10th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 22°C through the month. The sky is clear or mostly clear about 0% of the time in September, and the air most often feels humid.

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

Daytime high
22°
10th warmest
Overnight low
15°
8th coldest
Rainfall
521 mm
29.9 wet days
Daylight
12 hours
6:12 AM – 6:14 PM
Cloud cover
91%
11th clearest
Wind
3 km/h
11th windiest
Solar energy
4.36 kWh/m²
Travel score
3.4
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 22°C through the month.

A typical September day in Oku reaches about 22°C in the afternoon and slips back to 15°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 24°C. Set against its neighbours, September runs about 1°C warmer than August and about 1°C cooler than October.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
12215
22215
32215
42215
52215
62215
72215
82215
92215
102215
112215
122215
132215
142215
152215
162215
172315
182315
192315
202315
212315
222315
232315
242315
252315
262315
272315
282315
292315
302315

Oku weather by month

How September compares with the rest of the year at a glance. September is the 10th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 12°101.311.77.6
Feb28° / 14°373.511.86.5
Mar28° / 15°15513.5125.5
Apr26° / 16°42725.512.14.1
May24° / 16°45629.812.33.6
Jun23° / 15°47329.612.43.5
Jul22° / 15°52230.712.33.3
Aug22° / 15°50530.312.23.3
Sep22° / 15°52129.9123.4
Oct23° / 15°4232911.93.8
Nov25° / 14°12111.411.76.3
Dec27° / 12°91.111.68.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 0% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 1% of September, with mostly cloudy or overcast conditions the remaining 99%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1199
2199
3199
4199
5199
6199
7199
8199
9199
10199
11199
12199
13199
14199
15199
16199
17199
18199
19199
20199
21199
22199
23199
24199
25298
26298
27298
28298
29298
30298

Chance of precipitation in September

Any precipitation

Oku gets around 521 mm of rain over 29.9 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 99% and peaks near 100% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
199
299
399
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
1899
1999
2099
2199
2299
2399
2499
2599
2699
2799
2899
2999
3099

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. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Comfortable (%)Humid (%)
13169
23070
33070
42971
52971
62872
72872
82773
92773
102773
112773
122773
132773
142773
152773
162872
172872
182872
192872
202872
212872
222872
232872
242872
252773
262773
272773
282773
292674
302674

Wind in September

Winds average 3 km/h in September.

Across September, daily wind ranges from about 3 km/h on the calmest days to 3 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
13calm
23calm
33calm
43calm
53calm
63calm
73calm
83calm
93calm
103calm
113calm
123calm
133calm
143calm
153calm
163calm
173calm
183calm
193calm
203calm
213calm
223calm
233calm
243calm
253calm
263calm
273calm
283calm
293calm
303calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 06 min at the start of September to 12 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over September. Sunrise moves from 6:14 AM to 6:09 AM, and sunset from 6:22 PM to 6:06 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:146:22
212.16:146:21
312.16:146:21
412.16:146:20
512.16:146:20
612.16:136:19
712.16:136:18
812.16:136:18
912.16:136:17
1012.16:136:17
1112.16:136:16
1212.16:126:16
1312.16:126:15
1412.06:126:15
1512.06:126:14
1612.06:126:14
1712.06:116:13
1812.06:116:13
1912.06:116:12
2012.06:116:11
2112.06:116:11
2212.06:106:10
2312.06:106:10
2412.06:106:09
2512.06:106:09
2612.06:106:08
2712.06:106:08
2812.06:096:07
2912.06:096:07
3012.06:096:06

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.36 kWh/m².

For context, solar energy here swings from a low near 4.04 kWh/m² to a high of 6.59 kWh/m² in February across the year — September's 4.36 kWh/m² sits near the bottom.

012345151015202530
Solar energy (kWh/m²)Level
14.2Bright
24.2Bright
34.2Bright
44.2Bright
54.2Bright
64.2Bright
74.3Bright
84.3Bright
94.3Bright
104.3Bright
114.3Bright
124.3Bright
134.4Bright
144.4Bright
154.4Bright
164.4Bright
174.4Bright
184.4Bright
194.4Bright
204.4Bright
214.5Bright
224.5Bright
234.5Bright
244.5Bright
254.5Bright
264.5Bright
274.5Bright
284.5Bright
294.5Bright
304.5Bright
Planning a trip in September

Hazard calendar for Oku

In seasonPeak

In September, Oku sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Oku's rainy season runs April–October, when most of the year's rain falls.

Oku sees seasonal dust haze (February–April), heaviest in March.

Rainy season
Dust
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is September a good time to visit Oku?

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

3.4
Sightseeing
10th-best month of the year
2.5
Beach & pool
10th-best month of the year

September is a weaker month for outdoor sightseeing in Oku.

What to pack for Oku in September

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

In September, Oku sees daytime highs around 22°C and nights near 15°C. Pack rain gear. Worth having: light clothes. About 30 days see rain.

rain gearlight clothes

UV index in Oku in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Oku peaks around March 21 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 21UV 14Dec 18UV 10
UV index (midday)Level
Jan11Extreme
Feb11Extreme
Mar15Extreme
Apr14Extreme
May13Extreme
Jun12Extreme
Jul12Extreme
Aug13Extreme
Sep14Extreme
Oct13Extreme
Nov11Extreme
Dec10Very high

Air quality in Oku 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 Oku is worst in February — around 102 µg/m³ PM2.5 (unhealthy), about 5.3× the cleanest month (July, 19 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorUnhealthyFeb 1598 µg/m³Jul 2319 µg/m³
PM2.5 (µg/m³)Level
Jan79Unhealthy
Feb102Unhealthy
Mar77Unhealthy
Apr57Unhealthy
May32Moderate
Jun25Moderate
Jul19Moderate
Aug19Moderate
Sep20Moderate
Oct31Moderate
Nov44Poor
Dec64Unhealthy
Location & terrain

Where is Oku?

Oku sits at 6.3°N, 10.4°E, 2,422 m above sea level, in Cameroon. The nearest listed city is Fundong, 17 km away.

Topography around Oku

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

Within 3 km, the terrain around Oku has large variations in elevation — a maximum elevation change of 754 m around an average of 2,247 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,999 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,810 m.

The land around Oku is covered by trees (54%), grassland (24%) and cropland (22%) within 3 km, trees (57%) and grassland (33%) within 16 km, and trees (53%) and grassland (40%) within 80 km.

3 km
754 m
16 km
1,999 m
80 km
2,810 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Fundong 17 km · Kumbo 26 km · Ndop 29 km · Bafut 41 km · Wum 43 km · Bamenda 45 km · Nkambe 50 km · Bali 62 km

Cameroon travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / E
220 V · 50 Hz
Prices
≈ 34% of US
price level, 2025
GDP per capita
$1,972
2025
Happiness
5.1 / 10
World Happiness, 2025
Homicide rate
6.8
per 100k, 2022
Road deaths
30.2
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
Very low
EF EPI 445
Religion
Roman Catholic 33%Muslim 31%Protestant 27%animist 1%

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 Oku (6.25°, 10.4333°, elevation 2,422 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).