Asamankese weather in September

In September, Asamankese sees average daytime highs of 29°C and overnight lows near 23°C, with 199 mm of rain across 27.7 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 0% 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 12 hours by month's end. Set against the rest of the year, September is Asamankese's 9th-clearest and 4th-windiest month. For the whole year in context, see Asamankese's year-round climate.

Daytime high
29°
10th warmest
Overnight low
23°
7th coldest
Rainfall
199 mm
27.7 wet days
Daylight
12 hours
5:56 AM – 5:58 PM
Cloud cover
82%
9th clearest
Wind
7 km/h
4th windiest
Solar energy
4.42 kWh/m²
Travel score
3.1
out of 10

Asamankese is human settlement in 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 Asamankese 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)
12923
22923
32923
42923
52923
62923
72923
82923
92923
102923
112923
122923
132923
142923
152923
162923
172923
182923
192923
202923
212923
222923
232923
242923
252923
262923
272923
282923
293023
303023

How September really feels in Asamankese

Once humidity and wind are folded in, September averages 23 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
23
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.

Asamankese 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
Jan32° / 23°4710.311.74.1
Feb33° / 24°6513.211.83.2
Mar33° / 24°11321.3122.7
Apr32° / 24°13422.412.12.7
May31° / 23°19626.912.32.7
Jun29° / 23°23427.312.33.1
Jul28° / 22°15925.112.33.7
Aug28° / 22°12124.312.23.9
Sep29° / 23°19927.7123.1
Oct30° / 23°19927.711.92.9
Nov31° / 23°10722.411.73.2
Dec31° / 23°5412.911.74.2

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 9% of September, with mostly cloudy or overcast conditions the remaining 90%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1793
2793
3793
4793
5793
6793
7793
8793
9892
10892
11892
12892
13892
14991
15991
16991
17991
181090
191090
201189
211189
221189
231288
241288
251288
261387
271387
281387
291486
301486

Chance of precipitation in September

Any precipitation

Asamankese gets around 199 mm of rain over 27.7 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 92% and peaks near 93% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
190
290
391
491
592
692
792
892
992
1092
1192
1292
1392
1491
1591
1691
1791
1891
1991
2091
2192
2292
2392
2492
2592
2692
2792
2893
2993
3093

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 98% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)
1496
2496
3496
4496
5496
6496
7496
8496
9496
10496
11397
12397
13397
14397
15397
16298
17298
18298
19298
20298
21199
22199
23199
24199
25199
26199
27199
28199
290100
300100

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
138calm
148calm
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 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 5:59 AM to 5:53 AM, and sunset from 6:06 PM to 5:51 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.15:596:06
212.15:596:05
312.15:596:05
412.15:586:04
512.15:586:04
612.15:586:03
712.15:586:03
812.15:586:02
912.15:576:02
1012.15:576:01
1112.15:576:01
1212.15:576:00
1312.05:576:00
1412.05:565:59
1512.05:565:58
1612.05:565:58
1712.05:565:57
1812.05:565:57
1912.05:555:56
2012.05:555:56
2112.05:555:55
2212.05:555:55
2312.05:555:54
2412.05:545:54
2512.05:545:53
2612.05:545:53
2712.05:545:52
2812.05:545:52
2912.05:535:51
3012.05:535:51

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.42 kWh/m².

For context, solar energy here swings from a low near 4.06 kWh/m² to a high of 5.51 kWh/m² in March across the year — September's 4.42 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.3Bright
24.3Bright
34.3Bright
44.3Bright
54.3Bright
64.3Bright
74.3Bright
84.3Bright
94.3Bright
104.3Bright
114.4Bright
124.4Bright
134.4Bright
144.4Bright
154.4Bright
164.4Bright
174.4Bright
184.5Bright
194.5Bright
204.5Bright
214.5Bright
224.5Bright
234.5Bright
244.5Bright
254.6Bright
264.6Bright
274.6Bright
284.6Bright
294.6Bright
304.6Bright
Planning a trip in September

Hazard calendar for Asamankese

In seasonPeak

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

Asamankese 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 Asamankese?

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

3.1
Sightseeing
7th-best month of the year
3.9
Beach & pool
12th-best month of the year

September is a weaker month for outdoor sightseeing in Asamankese.

What to pack for Asamankese in September

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

In September, Asamankese sees daytime highs around 29°C and nights near 23°C. Pack light clothes and rain gear. About 28 days see rain.

light clothesrain gear

Sea temperature near Asamankese in September

The nearest coast averages about 24°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 54 km away) is warmest in May at about 28°C and coldest in August near 23°C.

The water stays above 20°C all year — warm enough for a swim any month.

22°24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb28Warm
Mar28Tropical
Apr28Tropical
May28Tropical
Jun27Warm
Jul24Warm
Aug23Refreshing
Sep24Warm
Oct27Warm
Nov28Tropical
Dec28Warm

UV index in Asamankese 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 Asamankese peaks around April 11 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highApr 11UV 13Dec 17UV 9
UV index (midday)Level
Jan9Very high
Feb12Extreme
Mar13Extreme
Apr13Extreme
May11Extreme
Jun11Extreme
Jul11Extreme
Aug11Extreme
Sep13Extreme
Oct12Extreme
Nov10Very high
Dec9Very high

Air quality in Asamankese 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 Asamankese is worst in January — around 94 µg/m³ PM2.5 (unhealthy), about 4.3× the cleanest month (August, 22 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorUnhealthyJan 1592 µg/m³Aug 1722 µg/m³
PM2.5 (µg/m³)Level
Jan94Unhealthy
Feb77Unhealthy
Mar47Poor
Apr45Poor
May32Moderate
Jun28Moderate
Jul24Moderate
Aug22Moderate
Sep24Moderate
Oct34Moderate
Nov46Poor
Dec82Unhealthy
Location & terrain

Where is Asamankese?

Asamankese sits at 5.9°N, 0.7°W, 147 m above sea level, in Ghana. The nearest listed city is Akwatia, 26 km away.

AtsiamanBuduburam

Topography around Asamankese

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

Within 3 km, the terrain around Asamankese has only modest variations in elevation — a maximum elevation change of 187 m around an average of 143 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 661 m; within 80 km, large variations in elevation — a maximum elevation change of 838 m.

The land around Asamankese is covered by trees (68%) and artificial surfaces (22%) within 3 km, trees (93%) within 16 km, and trees (72%) within 80 km.

3 km
187 m
16 km
661 m
80 km
838 m
treesshrubsgrasslandartificial surfaceswater
September weather nearby: Akwatia 26 km · Suhum 31 km · Kade 32 km · Nsawam 35 km · Swedru 36 km · Akim Oda 36 km · Atsiaman 41 km · Buduburam 43 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 Asamankese (5.8601°, -0.6635°, elevation 147 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).