Lomé weather in September

In September, Lomé sees average daytime highs of 28°C and overnight lows near 24°C, with 117 mm of rain across 21.1 wet days and about 12 hours of daylight. It is the 10th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 5% 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 Lomé's 8th-clearest and 6th-windiest month. For the whole year in context, see Lomé's year-round climate.

Daytime high
28°
10th warmest
Overnight low
24°
3rd coldest
Rainfall
117 mm
21.1 wet days
Daylight
12 hours
5:48 AM – 5:50 PM
Cloud cover
74%
8th clearest
Wind
12 km/h
6th windiest
Solar energy
4.94 kWh/m²
Travel score
4.4
out of 10

Lomé is capital city of Togo.

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 28°C through the month.

A typical September day in Lomé reaches about 28°C in the afternoon and slips back to 24°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 29°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)
12824
22824
32824
42824
52824
62824
72824
82824
92824
102824
112824
122824
132824
142824
152824
162824
172824
182824
192824
202824
212824
222824
232824
242824
252824
262824
272824
282924
292924
302924

How September really feels in Lomé

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.

Lomé weather by month

How September compares with the rest of the year at a glance. September is the 10th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 25°226.811.75.2
Feb31° / 26°338.911.84.4
Mar31° / 26°5413.6123.9
Apr31° / 26°7616.612.13.6
May30° / 25°14724.112.33.2
Jun29° / 24°17525.212.33.5
Jul27° / 24°9917.912.35.0
Aug27° / 23°6613.212.25.6
Sep28° / 24°11721.1124.4
Oct29° / 24°1292311.93.8
Nov30° / 25°6317.411.74.1
Dec31° / 25°308.811.75.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 5% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 20% of September, with mostly cloudy or overcast conditions the remaining 75%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11882
21981
32080
42080
52080
62179
72179
82278
92278
102377
112377
122377
132377
142476
152476
162575
172575
182575
192674
202674
212773
222872
232872
242872
253070
263070
273070
283070
293169
303169

Chance of precipitation in September

Any precipitation

Lomé gets around 117 mm of rain over 21.1 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 70% and peaks near 76% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
159
260
361
462
563
664
765
866
967
1067
1168
1269
1369
1470
1571
1671
1772
1872
1972
2073
2173
2273
2374
2474
2574
2675
2775
2875
2975
3076

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
12991
13991
14991
15991
16991
17982
18982
19982
20973
21973
22964
23964
24955
25955
26946
27946
28937
29928
30928

Wind in September

Winds average 12 km/h in September.

Across September, daily wind ranges from about 11 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012calm
2112calm
2212calm
2312calm
2412calm
2512calm
2612calm
2712calm
2812calm
2911calm
3011calm

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 5:51 AM to 5:46 AM, and sunset from 5:58 PM to 5:43 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.15:515:58
212.15:515:58
312.15:515:57
412.15:515:57
512.15:515:56
612.15:505:56
712.15:505:55
812.15:505:55
912.15:505:54
1012.15:505:54
1112.15:495:53
1212.15:495:53
1312.15:495:52
1412.05:495:52
1512.05:495:51
1612.05:485:50
1712.05:485:50
1812.05:485:49
1912.05:485:49
2012.05:485:48
2112.05:475:48
2212.05:475:47
2312.05:475:47
2412.05:475:46
2512.05:475:46
2612.05:475:45
2712.05:465:45
2812.05:465:44
2912.05:465:44
3012.05:465:43

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.94 kWh/m².

For context, solar energy here swings from a low near 4.46 kWh/m² to a high of 5.89 kWh/m² in March across the year — September's 4.94 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.8Bright
54.8Bright
64.8Bright
74.8Bright
84.8Bright
94.8Bright
104.9Bright
114.9Bright
124.9Bright
134.9Bright
144.9Bright
154.9Bright
164.9Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
235.0Bright
245.1Bright
255.1Bright
265.1Bright
275.1Bright
285.1Bright
295.1Bright
305.1Bright
Planning a trip in September

Hazard calendar for Lomé

In seasonPeak

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

Lomé 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 Lomé?

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

4.4
Sightseeing
5th-best month of the year
4.9
Beach & pool
10th-best month of the year

September is a reasonable time to visit Lomé for sightseeing.

What to pack for Lomé in September

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

In September, Lomé sees daytime highs around 28°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 21 days see rain.

light clothesrain gearsun protection

Sea temperature near Lomé 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 offshore 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
Apr28Tropical
May29Tropical
Jun27Warm
Jul25Warm
Aug24Refreshing
Sep25Warm
Oct27Warm
Nov28Tropical
Dec28Warm

UV index in Lomé 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 Lomé peaks around April 11 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 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 highExtremeExtremeVery highApr 11UV 13Dec 17UV 8
UV index (midday)Level
Jan9Very high
Feb11Extreme
Mar13Extreme
Apr13Extreme
May11Extreme
Jun11Extreme
Jul10Extreme
Aug10Very high
Sep12Extreme
Oct12Extreme
Nov9Very high
Dec8Very high

Air quality in Lomé 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 Lomé is worst in January — around 82 µg/m³ PM2.5 (unhealthy), about 5.3× the cleanest month (September, 15 µg/m³).

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

0306090JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyModerateJan 1680 µg/m³Sep 1716 µg/m³
PM2.5 (µg/m³)Level
Jan82Unhealthy
Feb65Unhealthy
Mar33Moderate
Apr29Moderate
May18Moderate
Jun18Moderate
Jul20Moderate
Aug18Moderate
Sep15Moderate
Oct17Moderate
Nov24Moderate
Dec65Unhealthy
Location & terrain

Where is Lomé?

Lomé sits at 6.1°N, 1.2°E, 13 m above sea level, in Togo. The nearest listed city is Aflao, 4.0 km away.

TséviéKetaVoganAnéhoAkatsiAnloga

Topography around Lomé

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

Within 3 km, the terrain around Lomé has only modest variations in elevation — a maximum elevation change of 24 m around an average of 6 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 54 m; within 80 km, only modest variations in elevation — a maximum elevation change of 179 m.

The land around Lomé is covered by artificial surfaces (56%) and water (33%) within 3 km, water (46%) and artificial surfaces (31%) within 16 km, and water (35%) within 80 km.

3 km
24 m
16 km
54 m
80 km
179 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetlandmangroves
September weather nearby: Aflao 4.0 km · Dzodze 28 km · Tsévié 33 km · Keta 35 km · Vogan 41 km · Aného 42 km · Akatsi 47 km · Anloga 52 km

Togo travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / E
220 V · 50 Hz
Prices
≈ 34% of US
price level, 2025
GDP per capita
$1,384
2025
Happiness
4.3 / 10
World Happiness, 2025
Safe drinking water
21%
of population, 2024
Road deaths
28.7
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
Very low
EF EPI 397
Religion
Christian 42%folk religion 37%Muslim 14%none 6%

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 Lomé (6.1287°, 1.2215°, elevation 13 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).