Banyo weather in September

In September, Banyo sees average daytime highs of 25°C and overnight lows near 17°C, with 289 mm of rain across 29.1 wet days and about 12 hours of daylight. It is the 10th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 25°C through the month. The sky is clear or mostly clear about 1% 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 11 h 54 min by month's end. Set against the rest of the year, September is Banyo's 11th-clearest and 8th-windiest month. For the whole year in context, see Banyo's year-round climate.

Daytime high
25°
10th warmest
Overnight low
17°
8th coldest
Rainfall
289 mm
29.1 wet days
Daylight
12 hours
6:06 AM – 6:08 PM
Cloud cover
84%
11th clearest
Wind
4 km/h
8th windiest
Solar energy
4.83 kWh/m²
Travel score
3.6
out of 10

Banyo is commune of Cameroon.

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 25°C through the month.

A typical September day in Banyo reaches about 25°C in the afternoon and slips back to 17°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 27°C. Set against its neighbours, September runs about 1°C warmer than August and about 1°C cooler than October.

15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12517
22517
32517
42517
52517
62517
72517
82517
92517
102517
112517
122517
132517
142517
152517
162517
172517
182517
192517
202517
212517
222517
232517
242517
252517
262517
272517
282517
292617
302617

How September really feels in Banyo

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.

Banyo weather by month

How September compares with the rest of the year at a glance. September is the 10th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 14°0011.76.0
Feb32° / 16°30.711.85.0
Mar32° / 18°396.2124.4
Apr29° / 19°19821.812.13.9
May27° / 18°23828.412.33.7
Jun25° / 18°23928.212.43.8
Jul24° / 17°31129.812.43.7
Aug24° / 17°3163012.23.6
Sep25° / 17°28929.1123.6
Oct26° / 17°21825.411.84.2
Nov28° / 16°284.611.76.6
Dec29° / 14°10.211.66.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 1% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 6% of September, with mostly cloudy or overcast conditions the remaining 94%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1496
2496
3496
4496
5694
6694
7694
8694
9694
10793
11793
12793
13793
14793
15793
16793
17694
18694
19694
20694
21694
22694
23793
24793
25793
26793
27892
28892
29892
30991

Chance of precipitation in September

Any precipitation

Banyo gets around 289 mm of rain over 29.1 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 97% and peaks near 97% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
197
297
397
497
597
697
797
897
997
1097
1197
1297
1397
1497
1597
1697
1797
1897
1997
2097
2197
2297
2397
2497
2597
2696
2796
2896
2996
3096

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 92% of days. Sticky, muggy-or-worse air turns up on roughly 8% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)
1955
2955
3955
4955
5946
6946
7937
8937
9928
10928
11928
12919
13919
14919
15919
169010
179010
189010
199010
20919
21919
22919
23919
24919
25919
26919
27919
289010
299010
308911

Wind in September

Winds average 4 km/h in September.

Across September, daily wind ranges from about 4 km/h on the calmest days to 4 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 06 min at the start of September to 11 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over September. Sunrise moves from 6:09 AM to 6:04 AM, and sunset from 6:16 PM to 6:00 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:096:16
212.16:086:16
312.16:086:15
412.16:086:15
512.16:086:14
612.16:086:14
712.16:086:13
812.16:076:13
912.16:076:12
1012.16:076:12
1112.16:076:11
1212.16:076:10
1312.16:076:10
1412.06:066:09
1512.06:066:09
1612.06:066:08
1712.06:066:08
1812.06:066:07
1912.06:056:06
2012.06:056:06
2112.06:056:05
2212.06:056:05
2312.06:056:04
2412.06:056:04
2512.06:046:03
2612.06:046:03
2712.06:046:02
2812.06:046:02
2912.06:046:01
3011.96:046:00

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.83 kWh/m².

For context, solar energy here swings from a low near 4.35 kWh/m² to a high of 6.77 kWh/m² in February across the year — September's 4.83 kWh/m² sits near the bottom.

024151015202530
Solar energy (kWh/m²)Level
14.5Bright
24.5Bright
34.6Bright
44.6Bright
54.6Bright
64.6Bright
74.7Bright
84.7Bright
94.7Bright
104.8Bright
114.8Bright
124.8Bright
134.8Bright
144.8Bright
154.9Bright
164.9Bright
174.9Bright
184.9Bright
194.9Bright
204.9Bright
214.9Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
Planning a trip in September

Hazard calendar for Banyo

In seasonPeak

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

Banyo's monsoon runs April–October, when most of the year's rain falls.

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

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

Is September a good time to visit Banyo?

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

3.6
Sightseeing
11th-best month of the year
3.3
Beach & pool
10th-best month of the year

September is a weaker month for outdoor sightseeing in Banyo.

What to pack for Banyo in September

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

In September, Banyo sees daytime highs around 25°C and nights near 17°C. Pack rain gear. Worth having: light clothes and sun protection. About 29 days see rain.

rain gearlight clothessun protection

UV index in Banyo 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 Banyo peaks around March 23 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 23UV 14Dec 18UV 10
UV index (midday)Level
Jan11Extreme
Feb11Extreme
Mar14Extreme
Apr14Extreme
May13Extreme
Jun12Extreme
Jul12Extreme
Aug12Extreme
Sep14Extreme
Oct13Extreme
Nov11Extreme
Dec10Very high

Air quality in Banyo 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 Banyo is worst in March — around 76 µg/m³ PM2.5 (unhealthy), about 6.6× the cleanest month (August, 12 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecPoorUnhealthyModerateGoodModeratePoorMar 1373 µg/m³Aug 2212 µg/m³
PM2.5 (µg/m³)Level
Jan45Poor
Feb63Unhealthy
Mar76Unhealthy
Apr40Poor
May21Moderate
Jun17Moderate
Jul12Moderate
Aug12Good
Sep12Good
Oct20Moderate
Nov26Moderate
Dec45Poor
Location & terrain

Where is Banyo?

Banyo sits at 6.8°N, 11.8°E, 1,077 m above sea level, in Cameroon. The nearest listed city is Gembu, 62 km away.

TibatiMagbaNkambeKumboFoumbanBeliNgaoundal

Topography around Banyo

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

Within 3 km, the terrain around Banyo has significant variations in elevation — a maximum elevation change of 511 m around an average of 1,114 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 589 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,091 m.

The land around Banyo is covered by grassland (58%) and trees (21%) within 3 km, trees (54%) and grassland (32%) within 16 km, and trees (60%) and grassland (33%) within 80 km.

3 km
511 m
16 km
589 m
80 km
2,091 m
treesshrubsgrasslandcroplandartificial surfaces
September weather nearby: Gembu 62 km · Tibati 95 km · Magba 111 km · Nkambe 128 km · Kumbo 141 km · Foumban 152 km · Beli 155 km · Ngaoundal 163 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 Banyo (6.75°, 11.8167°, elevation 1,077 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).