Bibiani weather in September

In September, Bibiani sees average daytime highs of 29°C and overnight lows near 23°C, with 140 mm of rain across 24 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 29°C through the month. The sky is clear or mostly clear about 1% of the time in September, and the air most often feels oppressive.

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 Bibiani's 9th-clearest and 7th-windiest month. For the whole year in context, see Bibiani's year-round climate.

Daytime high
29°
10th warmest
Overnight low
23°
6th coldest
Rainfall
140 mm
24 wet days
Daylight
12 hours
6:03 AM – 6:05 PM
Cloud cover
80%
9th clearest
Wind
7 km/h
7th windiest
Solar energy
4.05 kWh/m²
Travel score
3.6
out of 10

Bibiani is town and district capital in Western North Region, Ghana.

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 29°C through the month.

A typical September day in Bibiani reaches about 29°C in the afternoon and slips back to 23°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 30°C. Set against its neighbours, September runs about 1°C warmer than August and about 1°C cooler than October.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12822
22922
32922
42922
52922
62923
72923
82923
92923
102923
112923
122923
132923
142923
152923
162923
172923
182923
192923
202923
212923
222923
232923
242923
252923
262923
272923
282923
292923
302923

How September really feels in Bibiani

Once humidity and wind are folded in, September averages 15 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
15
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.

Bibiani 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
Jan33° / 22°204.311.74.3
Feb34° / 24°458.611.83.1
Mar33° / 24°9817.1122.8
Apr32° / 24°10618.212.13.0
May31° / 23°13121.912.33.1
Jun29° / 23°14923.912.43.4
Jul28° / 22°1132112.34.2
Aug28° / 22°931912.24.5
Sep29° / 23°14024123.6
Oct30° / 23°1322311.93.5
Nov31° / 22°5612.611.74.3
Dec31° / 22°215.311.65.0

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 12% of September, with mostly cloudy or overcast conditions the remaining 88%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1793
2892
3892
4892
5991
6991
7991
81090
91090
101189
111189
121288
131288
141288
151288
161387
171387
181387
191387
201387
211486
221486
231486
241585
251684
261684
271783
281783
291882
301882

Chance of precipitation in September

Any precipitation

Bibiani gets around 140 mm of rain over 24 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 79% and peaks near 84% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
171
272
372
473
574
675
775
876
976
1077
1177
1277
1378
1478
1579
1679
1780
1881
1981
2082
2182
2283
2383
2483
2583
2684
2784
2884
2984
3083

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the oppressive band about 95% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)
1892
2793
3793
4793
5793
6793
7694
8694
9694
10694
11694
12694
13595
14595
15595
16595
17496
18496
19496
20496
21397
22397
23397
24298
25298
26298
27298
28298
29199
30199

Wind in September

Winds average 7 km/h in September.

Across September, daily wind ranges from about 6 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
256calm
266calm
276calm
286calm
296calm
306calm

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 6:05 AM to 6:00 AM, and sunset from 6:13 PM to 5:57 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:056:13
212.16:056:12
312.16:056:12
412.16:056:11
512.16:056:11
612.16:046:10
712.16:046:10
812.16:046:09
912.16:046:08
1012.16:046:08
1112.16:036:07
1212.16:036:07
1312.16:036:06
1412.06:036:06
1512.06:036:05
1612.06:036:05
1712.06:026:04
1812.06:026:04
1912.06:026:03
2012.06:026:02
2112.06:026:02
2212.06:016:01
2312.06:016:01
2412.06:016:00
2512.06:016:00
2612.06:015:59
2712.06:015:59
2812.06:005:58
2912.06:005:58
3011.96:005:57

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.05 kWh/m².

For context, solar energy here swings from a low near 3.72 kWh/m² to a high of 5.3 kWh/m² in February across the year — September's 4.05 kWh/m² sits near the bottom.

012345151015202530
Solar energy (kWh/m²)Level
13.9Moderate
23.9Moderate
33.9Moderate
43.9Moderate
53.9Moderate
63.9Moderate
73.9Moderate
83.9Moderate
94.0Moderate
104.0Moderate
114.0Moderate
124.0Bright
134.0Bright
144.0Bright
154.0Bright
164.1Bright
174.1Bright
184.1Bright
194.1Bright
204.1Bright
214.1Bright
224.2Bright
234.2Bright
244.2Bright
254.2Bright
264.2Bright
274.2Bright
284.2Bright
294.2Bright
304.2Bright
Planning a trip in September

Hazard calendar for Bibiani

In seasonPeak

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

Bibiani sees seasonal dust haze (January–April), heaviest in February.

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

Is September a good time to visit Bibiani?

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

3.6
Sightseeing
6th-best month of the year
4.5
Beach & pool
11th-best month of the year

September is a weaker month for outdoor sightseeing in Bibiani.

What to pack for Bibiani in September

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

In September, Bibiani sees daytime highs around 29°C and nights near 23°C. Pack light clothes and rain gear. About 24 days see rain.

light clothesrain gear

UV index in Bibiani in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Bibiani peaks around April 12 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highApr 12UV 13Dec 21UV 9
UV index (midday)Level
Jan9Very high
Feb12Extreme
Mar13Extreme
Apr13Extreme
May11Extreme
Jun11Extreme
Jul10Extreme
Aug11Extreme
Sep13Extreme
Oct12Extreme
Nov10Very high
Dec9Very high

Air quality in Bibiani 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 Bibiani is worst in February — around 94 µg/m³ PM2.5 (unhealthy), about 5.0× the cleanest month (August, 19 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModerateUnhealthyFeb 1092 µg/m³Aug 1719 µg/m³
PM2.5 (µg/m³)Level
Jan84Unhealthy
Feb94Unhealthy
Mar42Poor
Apr39Poor
May24Moderate
Jun21Moderate
Jul20Moderate
Aug19Moderate
Sep20Moderate
Oct26Moderate
Nov35Moderate
Dec72Unhealthy
Location & terrain

Where is Bibiani?

Bibiani sits at 6.5°N, 2.3°W, 212 m above sea level, in Ghana. The nearest listed city is Goaso, 45 km away.

GoasoMimTepaObuasiBechemAtronieKumasiDunkwa

Topography around Bibiani

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

Within 3 km, the terrain around Bibiani has significant variations in elevation — a maximum elevation change of 413 m around an average of 236 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 501 m; within 80 km, large variations in elevation — a maximum elevation change of 708 m.

The land around Bibiani is covered by trees (60%) and artificial surfaces (20%) within 3 km, trees (82%) within 16 km, and trees (92%) within 80 km.

3 km
413 m
16 km
501 m
80 km
708 m
treesshrubsgrasslandartificial surfaces
September weather nearby: Goaso 45 km · Mim 57 km · Tepa 64 km · Obuasi 77 km · Bechem 78 km · Atronie 79 km · Kumasi 81 km · Dunkwa 81 km

Ghana travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type D / G
230 V · 50 Hz
Prices
≈ 38% of US
price level, 2025
GDP per capita
$3,257
2025
Happiness
4.6 / 10
World Happiness, 2025
Safe drinking water
43%
of population, 2024
Homicide rate
1.8
per 100k, 2022
Road deaths
25.7
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
Moderate
EF EPI 540
Religion
Christian 71%Muslim 20%other 5%traditionalist 3%

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 Bibiani (6.452°, -2.3163°, elevation 212 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).