Winneba weather in September

In September, Winneba sees average daytime highs of 25°C and overnight lows near 24°C, with 37 mm of rain across 8.8 wet days and about 12 hours of daylight. It is the 10th-warmest and 7th-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 30% 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 Winneba's 6th-clearest and 5th-windiest month. For the whole year in context, see Winneba's year-round climate.

Daytime high
25°
10th warmest
Overnight low
24°
2nd coldest
Rainfall
37 mm
8.8 wet days
Daylight
12 hours
5:56 AM – 5:58 PM
Cloud cover
58%
6th clearest
Wind
17 km/h
5th windiest
Solar energy
5.52 kWh/m²
Travel score
7.0
out of 10

Winneba is town in Central 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 25°C through the month.

A typical September day in Winneba reaches about 25°C in the afternoon and slips back to 24°C overnight — a 1°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 25°C. Set against its neighbours, September runs about 1°C warmer than August and about 2°C cooler than October.

20°23°25°28°30°151015202530
Avg high (°C)Avg low (°C)
12423
22423
32424
42424
52424
62424
72424
82424
92524
102524
112524
122524
132524
142524
152524
162524
172524
182524
192524
202524
212524
222524
232524
242524
252524
262524
272524
282524
292524
302624

How September really feels in Winneba

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.

Winneba weather by month

How September compares with the rest of the year at a glance. September is the 10th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 26°154.511.77.5
Feb28° / 26°185.411.87.1
Mar28° / 27°318.9126.0
Apr28° / 27°591412.15.3
May28° / 26°15223.912.24.3
Jun26° / 25°20322.412.34.6
Jul25° / 24°7110.612.36.6
Aug24° / 23°224.912.27.6
Sep25° / 24°378.8127.0
Oct26° / 25°641511.96.1
Nov28° / 26°4914.311.86.0
Dec28° / 26°268.611.77.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 30% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 23% of September, with mostly cloudy or overcast conditions the remaining 47%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14555
24654
34654
44753
54852
64951
74951
84951
95050
105149
115149
125149
135248
145248
155248
165248
175248
185248
195347
205347
215446
225446
235545
245644
255743
265842
276040
286040
296238
306238

Chance of precipitation in September

Any precipitation

Winneba gets around 37 mm of rain over 8.8 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 29% and peaks near 36% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
123
223
323
424
524
624
724
825
925
1026
1127
1228
1328
1429
1530
1630
1731
1831
1932
2032
2133
2233
2334
2434
2534
2635
2735
2835
2936
3036

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

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
11000
21000
31000
41000
51000
61000
71000
81000
91000
101000
111000
121000
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
281000
291000
30991

Wind in September

Winds average 17 km/h in September.

Across September, daily wind ranges from about 17 km/h on the calmest days to 17 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
117light breeze
217light breeze
317light breeze
417light breeze
517light breeze
617light breeze
717light breeze
817light breeze
917light breeze
1017light breeze
1117light breeze
1217light breeze
1317light breeze
1417light breeze
1517light breeze
1617light breeze
1717light breeze
1817light breeze
1917light breeze
2017light breeze
2117light breeze
2217light breeze
2317light breeze
2417light breeze
2517light breeze
2617light breeze
2717light breeze
2817light breeze
2917light breeze
3017light breeze

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 6:05 PM to 5:51 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.15:596:05
212.15:596:05
312.15:596:04
412.15:596:04
512.15:586:03
612.15:586:03
712.15:586:02
812.15:586:02
912.15:576:01
1012.15:576:01
1112.15:576:00
1212.05:576:00
1312.05:575:59
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
2312.05:545:54
2412.05:545:54
2512.05:545:53
2612.05:545:53
2712.05:545:52
2812.05:535:52
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 5.52 kWh/m².

For context, solar energy here swings from a low near 4.64 kWh/m² to a high of 6.12 kWh/m² in March across the year — September's 5.52 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.4Bright
45.4Bright
55.4Bright
65.4Bright
75.4Bright
85.5Bright
95.5Bright
105.5Bright
115.5Bright
125.5Bright
135.5Bright
145.5Bright
155.5Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.6Bright
215.6Bright
225.6Bright
235.6Bright
245.6Bright
255.6Bright
265.6Bright
275.6Bright
285.6Bright
295.6Bright
305.7Bright
Planning a trip in September

Hazard calendar for Winneba

In seasonPeak

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

Winneba's monsoon runs May–June, when most of the year's rain falls.

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

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

Is September a good time to visit Winneba?

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

7.0
Sightseeing
4th-best month of the year
6.3
Beach & pool
7th-best month of the year

September is one of the better times to visit Winneba for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Winneba in September

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

In September, Winneba sees daytime highs around 25°C and nights near 24°C. Worth packing: light clothes, rain gear and sun protection. About 9 days see rain.

light clothesrain gearsun protection

Sea temperature near Winneba 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 offshore 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 Winneba in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Winneba peaks around March 22 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeExtremeVery highMar 22UV 13Dec 17UV 9
UV index (midday)Level
Jan10Very high
Feb12Extreme
Mar14Extreme
Apr13Extreme
May12Extreme
Jun11Extreme
Jul10Very high
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov10Very high
Dec8Very high

Air quality in Winneba 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 Winneba is worst in January — around 67 µg/m³ PM2.5 (unhealthy), about 5.6× the cleanest month (October, 12 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorJan 1865 µg/m³Oct 1012 µg/m³
PM2.5 (µg/m³)Level
Jan67Unhealthy
Feb54Poor
Mar30Moderate
Apr28Moderate
May16Moderate
Jun16Moderate
Jul17Moderate
Aug15Moderate
Sep12Moderate
Oct12Good
Nov17Moderate
Dec49Poor
Location & terrain

Where is Winneba?

Winneba sits at 5.4°N, 0.6°W, 25 m above sea level, in Ghana. The nearest listed city is Apam, 15 km away.

GbaweMankesim

Topography around Winneba

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

Within 3 km, the terrain around Winneba has only modest variations in elevation — a maximum elevation change of 66 m around an average of 11 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 270 m; within 80 km, large variations in elevation — a maximum elevation change of 765 m.

The land around Winneba is covered by grassland (32%), water (27%) and artificial surfaces (26%) within 3 km, water (45%) and grassland (33%) within 16 km, and trees (49%) and water (35%) within 80 km.

3 km
66 m
16 km
270 m
80 km
765 m
treesshrubsgrasslandartificial surfacesbare terrainwaterwetlandmangroves
September weather nearby: Apam 15 km · Swedru 22 km · Buduburam 25 km · Kasoa 31 km · Amanfrom 32 km · Mandela 39 km · Gbawe 43 km · Mankesim 44 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 Winneba (5.3511°, -0.6231°, elevation 25 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).