Effiduase weather in September

In September, Effiduase sees average daytime highs of 29°C and overnight lows near 22°C, with 141 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 Effiduase's 10th-clearest and 8th-windiest month. For the whole year in context, see Effiduase's year-round climate.

Daytime high
29°
10th warmest
Overnight low
22°
6th coldest
Rainfall
141 mm
23.9 wet days
Daylight
12 hours
5:59 AM – 6:01 PM
Cloud cover
80%
10th clearest
Wind
7 km/h
8th windiest
Solar energy
4.15 kWh/m²
Travel score
3.6
out of 10

Effiduase is town and district capital 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 Effiduase reaches about 29°C in the afternoon and slips back to 22°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
22822
32822
42922
52922
62922
72922
82922
92922
102922
112922
122922
132922
142922
152923
162923
172923
182923
192923
202923
212923
222923
232923
242923
252923
262923
272923
282923
292923
302923

How September really feels in Effiduase

Once humidity and wind are folded in, September averages 13 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
13
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.

Effiduase 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
Jan33° / 22°203.911.64.3
Feb34° / 24°42811.83.2
Mar33° / 24°9917.2122.8
Apr32° / 24°1031812.13.0
May31° / 23°1172012.33.3
Jun29° / 23°13122.212.43.6
Jul28° / 22°10619.312.44.4
Aug28° / 22°9217.912.24.6
Sep29° / 22°14123.9123.6
Oct30° / 23°1212211.83.6
Nov31° / 22°6012.611.74.3
Dec31° / 22°224.911.65.0

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 87%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1892
2892
3892
4991
5991
61090
71090
81090
91189
101189
111189
121288
131288
141288
151387
161387
171387
181387
191486
201486
211585
221585
231684
241684
251882
261882
271882
281981
292080
302179

Chance of precipitation in September

Any precipitation

Effiduase gets around 141 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 78% 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
474
575
675
776
876
976
1077
1177
1277
1377
1477
1577
1678
1778
1879
1979
2080
2180
2281
2381
2481
2581
2681
2781
2881
2981
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 92% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)
11486
21387
31288
41288
51288
61189
71189
81189
91090
101090
111090
121090
13991
14991
15991
16892
17892
18793
19793
20694
21694
22595
23595
24496
25496
26397
27397
28397
29298
30298

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
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 6:01 AM to 5:56 AM, and sunset from 6:09 PM to 5:53 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:016:09
212.16:016:09
312.16:016:08
412.16:016:08
512.16:016:07
612.16:016:07
712.16:006:06
812.16:006:06
912.16:006:05
1012.16:006:04
1112.16:006:04
1212.16:006:03
1312.15:596:03
1412.05:596:02
1512.05:596:02
1612.05:596:01
1712.05:596:00
1812.05:586:00
1912.05:585:59
2012.05:585:59
2112.05:585:58
2212.05:585:58
2312.05:585:57
2412.05:575:57
2512.05:575:56
2612.05:575:55
2712.05:575:55
2812.05:575:54
2912.05:575:54
3011.95:565:53

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.15 kWh/m².

For context, solar energy here swings from a low near 3.84 kWh/m² to a high of 5.55 kWh/m² in February across the year — September's 4.15 kWh/m² sits near the bottom.

012345151015202530
Solar energy (kWh/m²)Level
14.0Moderate
24.0Moderate
34.0Moderate
44.0Moderate
54.0Moderate
64.0Bright
74.0Bright
84.0Bright
94.0Bright
104.1Bright
114.1Bright
124.1Bright
134.1Bright
144.1Bright
154.2Bright
164.2Bright
174.2Bright
184.2Bright
194.2Bright
204.2Bright
214.2Bright
224.3Bright
234.3Bright
244.3Bright
254.3Bright
264.3Bright
274.3Bright
284.3Bright
294.3Bright
304.4Bright
Planning a trip in September

Hazard calendar for Effiduase

In seasonPeak

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

Effiduase 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 Effiduase?

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

September is a weaker month for outdoor sightseeing in Effiduase.

What to pack for Effiduase in September

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

In September, Effiduase sees daytime highs around 29°C and nights near 22°C. Pack light clothes and rain gear. About 24 days see rain.

light clothesrain gear

UV index in Effiduase 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 Effiduase peaks around April 13 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 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 13UV 13Dec 19UV 8
UV index (midday)Level
Jan9Very high
Feb11Extreme
Mar12Extreme
Apr13Extreme
May11Extreme
Jun11Extreme
Jul11Extreme
Aug11Extreme
Sep13Extreme
Oct12Extreme
Nov9Very high
Dec8Very high

Air quality in Effiduase 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 Effiduase is worst in January — around 122 µg/m³ PM2.5 (unhealthy), about 5.6× the cleanest month (August, 22 µg/m³).

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

0306090120150JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorUnhealthyJan 17118 µg/m³Aug 1222 µg/m³
PM2.5 (µg/m³)Level
Jan122Unhealthy
Feb97Unhealthy
Mar48Poor
Apr43Poor
May28Moderate
Jun24Moderate
Jul22Moderate
Aug22Moderate
Sep24Moderate
Oct31Moderate
Nov42Poor
Dec90Unhealthy
Location & terrain

Where is Effiduase?

Effiduase sits at 6.8°N, 1.4°W, 328 m above sea level, in Ghana. The nearest listed city is Ahwiaa, 24 km away.

Bekwai

Topography around Effiduase

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

Within 3 km, the terrain around Effiduase has only modest variations in elevation — a maximum elevation change of 61 m around an average of 328 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 416 m; within 80 km, large variations in elevation — a maximum elevation change of 712 m.

The land around Effiduase is covered by trees (64%) and artificial surfaces (26%) within 3 km, trees (83%) within 16 km, and trees (61%) within 80 km.

3 km
61 m
16 km
416 m
80 km
712 m
treesshrubsgrasslandcroplandartificial surfaces
September weather nearby: Ahwiaa 24 km · Mampong 24 km · Tafo 27 km · New Tafo 28 km · Kumasi 31 km · Konongo 32 km · Agogo 35 km · Bekwai 48 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 Effiduase (6.8468°, -1.3961°, elevation 328 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).