Nkoranza weather in September

In September, Nkoranza sees average daytime highs of 29°C and overnight lows near 23°C, with 156 mm of rain across 23.9 wet days and about 12 hours of daylight. It is the 10th-warmest and 1st-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 Nkoranza's 10th-clearest and 9th-windiest month. For the whole year in context, see Nkoranza's year-round climate.

Daytime high
29°
10th warmest
Overnight low
23°
7th coldest
Rainfall
156 mm
23.9 wet days
Daylight
12 hours
6:00 AM – 6:02 PM
Cloud cover
78%
10th clearest
Wind
7 km/h
9th windiest
Solar energy
4.38 kWh/m²
Travel score
3.4
out of 10

Nkoranza is The capital town of Nkoranza South in Bono East 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 Nkoranza reaches about 29°C in the afternoon and slips back to 23°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 31°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)
12923
22923
32923
42923
52923
62923
72923
82923
92923
102923
112923
122923
132923
142923
152923
162923
172923
182923
193023
203023
213023
223023
233023
243023
253023
263023
273023
283023
293023
303023

How September really feels in Nkoranza

Once humidity and wind are folded in, September averages 26 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
26
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.

Nkoranza weather by month

How September compares with the rest of the year at a glance. September is the 10th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan34° / 22°142.611.63.8
Feb35° / 24°325.411.82.8
Mar34° / 24°8714.911.92.5
Apr33° / 24°10417.612.22.7
May32° / 24°10318.212.33.1
Jun30° / 23°9918.712.43.7
Jul29° / 23°9116.812.44.4
Aug29° / 22°1031712.24.4
Sep29° / 23°15623.9123.4
Oct31° / 23°11521.311.83.4
Nov32° / 23°448.511.74.1
Dec33° / 22°153.211.64.3

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 17% of September, with mostly cloudy or overcast conditions the remaining 81%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1991
21090
31090
41090
51189
61189
71288
81486
91486
101585
111684
121684
131783
141783
151882
161981
171981
182080
192080
202179
212377
222377
232476
242476
252575
262674
272674
282773
292773
302872

Chance of precipitation in September

Any precipitation

Nkoranza gets around 156 mm of rain over 23.9 wet days in September, the wettest month. 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 81% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
172
273
374
475
576
676
777
877
978
1078
1179
1279
1379
1479
1580
1680
1780
1881
1981
2081
2181
2281
2381
2481
2581
2681
2780
2880
2980
3080

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 91% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)
11684
21585
31585
41486
51486
61387
71387
81387
91288
101288
111189
121189
131090
141090
15991
16892
17892
18793
19793
20694
21694
22595
23595
24595
25595
26595
27496
28496
29496
30496

Wind in September

Winds average 7 km/h in September.

Across September, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

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 6:02 AM to 5:58 AM, and sunset from 6:11 PM to 5:54 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:026:11
212.16:026:10
312.16:026:10
412.16:026:09
512.16:026:09
612.16:016:08
712.16:016:08
812.16:016:07
912.16:016:06
1012.16:016:06
1112.16:016:05
1212.16:016:05
1312.16:006:04
1412.16:006:04
1512.06:006:03
1612.06:006:02
1712.06:006:02
1812.06:006:01
1912.05:596:01
2012.05:596:00
2112.05:595:59
2212.05:595:59
2312.05:595:58
2412.05:595:58
2512.05:595:57
2612.05:585:57
2712.05:585:56
2812.05:585:55
2911.95:585:55
3011.95:585:54

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.38 kWh/m².

For context, solar energy here swings from a low near 4.01 kWh/m² to a high of 5.87 kWh/m² in February across the year — September's 4.38 kWh/m² sits near the bottom.

024151015202530
Solar energy (kWh/m²)Level
14.1Bright
24.2Bright
34.2Bright
44.2Bright
54.2Bright
64.2Bright
74.2Bright
84.3Bright
94.3Bright
104.3Bright
114.3Bright
124.3Bright
134.3Bright
144.3Bright
154.4Bright
164.4Bright
174.4Bright
184.4Bright
194.4Bright
204.5Bright
214.5Bright
224.5Bright
234.5Bright
244.5Bright
254.5Bright
264.5Bright
274.6Bright
284.6Bright
294.6Bright
304.6Bright
Planning a trip in September

Hazard calendar for Nkoranza

In seasonPeak

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

Nkoranza 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 Nkoranza?

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

3.4
Sightseeing
7th-best month of the year
4.6
Beach & pool
12th-best month of the year

September is a weaker month for outdoor sightseeing in Nkoranza.

What to pack for Nkoranza in September

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

In September, Nkoranza 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 Nkoranza 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 Nkoranza peaks around April 11 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 11 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highApr 11UV 13Jan 11UV 8
UV index (midday)Level
Jan8Very high
Feb11Extreme
Mar13Extreme
Apr13Extreme
May11Extreme
Jun11Extreme
Jul10Extreme
Aug12Extreme
Sep13Extreme
Oct12Extreme
Nov9Very high
Dec9Very high

Air quality in Nkoranza 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 Nkoranza is worst in January — around 178 µg/m³ PM2.5 (very unhealthy), about 9.4× the cleanest month (August, 19 µg/m³).

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

0306090120150180JanFebMarAprMayJunJulAugSepOctNovDecVery unhealthyUnhealthyPoorModerateUnhealthyJan 17170 µg/m³Aug 1219 µg/m³
PM2.5 (µg/m³)Level
Jan178Very unhealthy
Feb114Unhealthy
Mar45Poor
Apr39Poor
May24Moderate
Jun20Moderate
Jul19Moderate
Aug19Moderate
Sep21Moderate
Oct27Moderate
Nov37Poor
Dec109Unhealthy
Location & terrain

Where is Nkoranza?

Nkoranza sits at 7.6°N, 1.7°W, 324 m above sea level, in Ghana. The nearest listed city is Techiman, 26 km away.

EjuraWankyiKintampoDuayaw-NkwantaBechemMampongSunyani

Topography around Nkoranza

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

Within 3 km, the terrain around Nkoranza has only modest variations in elevation — a maximum elevation change of 150 m around an average of 286 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 268 m; within 80 km, large variations in elevation — a maximum elevation change of 707 m.

The land around Nkoranza is covered by trees (40%), artificial surfaces (26%) and grassland (20%) within 3 km, trees (38%), shrubs (28%) and grassland (23%) within 16 km, and trees (34%), shrubs (27%) and grassland (26%) within 80 km.

3 km
150 m
16 km
268 m
80 km
707 m
treesshrubsgrasslandcroplandartificial surfaces
September weather nearby: Techiman 26 km · Ejura 44 km · Wankyi 47 km · Kintampo 54 km · Duayaw-Nkwanta 62 km · Bechem 64 km · Mampong 66 km · Sunyani 73 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 Nkoranza (7.5713°, -1.7087°, elevation 324 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).