Keta weather in September

In September, Keta sees average daytime highs of 27°C and overnight lows near 24°C, with 60 mm of rain across 11.8 wet days and about 12 hours of daylight. It is the 10th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 13% 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 Keta's 8th-clearest and 4th-windiest month. For the whole year in context, see Keta's year-round climate.

Daytime high
27°
10th warmest
Overnight low
24°
3rd coldest
Rainfall
60 mm
11.8 wet days
Daylight
12 hours
5:49 AM – 5:51 PM
Cloud cover
68%
8th clearest
Wind
16 km/h
4th windiest
Solar energy
5.06 kWh/m²
Travel score
6.0
out of 10

Keta is coastal community in Volta 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 27°C through the month.

A typical September day in Keta reaches about 27°C in the afternoon and slips back to 24°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 28°C. Set against its neighbours, September runs about 1°C warmer than August and about 1°C cooler than October.

20°23°25°28°30°151015202530
Avg high (°C)Avg low (°C)
12624
22624
32724
42724
52724
62724
72724
82724
92724
102724
112724
122724
132724
142724
152724
162724
172724
182724
192724
202724
212724
222724
232724
242724
252725
262725
272825
282825
292825
302825

How September really feels in Keta

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.

Keta weather by month

How September compares with the rest of the year at a glance. September is the 10th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 26°123.211.76.3
Feb30° / 27°174.211.85.6
Mar30° / 27°297.7125.0
Apr30° / 27°471112.14.7
May29° / 26°12020.912.33.9
Jun28° / 25°17422.512.34.3
Jul26° / 24°7111.512.36.1
Aug26° / 24°366.712.26.8
Sep27° / 24°6011.8126.0
Oct28° / 25°8514.911.95.3
Nov29° / 26°4011.611.75.2
Dec30° / 26°174.911.76.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 13% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 24% of September, with mostly cloudy or overcast conditions the remaining 63%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12971
22971
32971
43070
53169
63268
73268
83367
93367
103466
113466
123565
133565
143664
153664
163664
173763
183763
193862
203961
214060
224159
234258
244357
254357
264555
274654
284654
294753
304654

Chance of precipitation in September

Any precipitation

Keta gets around 60 mm of rain over 11.8 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 39% and peaks near 49% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
131
231
331
432
532
633
733
834
934
1035
1135
1236
1337
1437
1538
1639
1740
1841
1942
2043
2143
2244
2345
2446
2547
2647
2748
2848
2949
3049

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
Oppressive (%)Miserable (%)
11000
21000
31000
41000
51000
61000
71000
81000
91000
101000
111000
121000
131000
14991
15991
16991
17991
18991
19991
20982
21982
22982
23973
24973
25964
26964
27955
28955
29946
30937

Wind in September

Winds average 16 km/h in September.

Across September, daily wind ranges from about 15 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
116light breeze
216light breeze
316light breeze
416light breeze
516light breeze
616light breeze
716light breeze
816light breeze
916light breeze
1016light breeze
1116light breeze
1216light breeze
1316light breeze
1416light breeze
1516light breeze
1616light breeze
1716light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3015light 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 5:52 AM to 5:47 AM, and sunset from 5:59 PM to 5:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.15:525:59
212.15:525:59
312.15:525:58
412.15:525:58
512.15:525:57
612.15:515:57
712.15:515:56
812.15:515:56
912.15:515:55
1012.15:515:55
1112.15:505:54
1212.15:505:53
1312.05:505:53
1412.05:505:52
1512.05:505:52
1612.05:495:51
1712.05:495:51
1812.05:495:50
1912.05:495:50
2012.05:495:49
2112.05:485:49
2212.05:485:48
2312.05:485:48
2412.05:485:47
2512.05:485:47
2612.05:475:46
2712.05:475:45
2812.05:475:45
2912.05:475:44
3012.05:475:44

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.06 kWh/m².

For context, solar energy here swings from a low near 4.47 kWh/m² to a high of 5.94 kWh/m² in March across the year — September's 5.06 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
44.9Bright
54.9Bright
65.0Bright
75.0Bright
85.0Bright
95.0Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.1Bright
175.1Bright
185.1Bright
195.1Bright
205.1Bright
215.1Bright
225.1Bright
235.2Bright
245.2Bright
255.2Bright
265.2Bright
275.2Bright
285.2Bright
295.2Bright
305.2Bright
Planning a trip in September

Hazard calendar for Keta

In seasonPeak

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

Keta's rainy season runs May–June, when most of the year's rain falls.

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

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

Is September a good time to visit Keta?

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

6.0
Sightseeing
5th-best month of the year
6.1
Beach & pool
9th-best month of the year

September is a reasonable time to visit Keta for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Keta in September

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

In September, Keta sees daytime highs around 27°C and nights near 24°C. Pack light clothes. Worth having: rain gear and sun protection. About 12 days see rain.

light clothesrain gearsun protection

Sea temperature near Keta in September

The nearest coast averages about 25°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 16 km away) is warmest in May at about 29°C and coldest in August near 24°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
Apr29Tropical
May29Tropical
Jun27Warm
Jul25Warm
Aug24Refreshing
Sep25Warm
Oct27Warm
Nov28Tropical
Dec28Tropical

UV index in Keta 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 Keta peaks around April 11 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 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 highExtremeVery highApr 11UV 13Dec 16UV 8
UV index (midday)Level
Jan9Very high
Feb11Extreme
Mar13Extreme
Apr13Extreme
May11Extreme
Jun11Extreme
Jul10Extreme
Aug10Very high
Sep12Extreme
Oct12Extreme
Nov9Very high
Dec8Very high

Air quality in Keta 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 Keta is worst in January — around 83 µg/m³ PM2.5 (unhealthy), about 5.3× the cleanest month (September, 16 µg/m³).

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

0306090JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyModerateJan 1780 µg/m³Sep 1116 µg/m³
PM2.5 (µg/m³)Level
Jan83Unhealthy
Feb65Unhealthy
Mar33Moderate
Apr30Moderate
May19Moderate
Jun19Moderate
Jul19Moderate
Aug17Moderate
Sep16Moderate
Oct19Moderate
Nov25Moderate
Dec64Unhealthy
Location & terrain

Where is Keta?

Keta sits at 5.9°N, 1.0°E, 0 m above sea level, in Ghana. The nearest listed city is Anloga, 17 km away.

TséviéVogan

Topography around Keta

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

Within 3 km, the terrain around Keta has only modest variations in elevation — a maximum elevation change of 7 m around an average of 1 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 14 m; within 80 km, only modest variations in elevation — a maximum elevation change of 172 m.

The land around Keta is covered by water (73%) within 3 km, water (77%) within 16 km, and water (42%) and grassland (20%) within 80 km.

3 km
7 m
16 km
14 m
80 km
172 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetlandmangroves
September weather nearby: Anloga 17 km · Akatsi 32 km · Aflao 32 km · Lomé 35 km · Dzodze 35 km · Tsévié 62 km · Aného 75 km · Vogan 76 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 Keta (5.9179°, 0.9879°, elevation 0 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).