Calabar weather in September

In September, Calabar sees average daytime highs of 29°C and overnight lows near 23°C, with 420 mm of rain across 29.7 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 Calabar's 12th-clearest and 8th-windiest month. For the whole year in context, see Calabar's year-round climate.

Daytime high
29°
10th warmest
Overnight low
23°
3rd coldest
Rainfall
420 mm
29.7 wet days
Daylight
12 hours
6:20 AM – 6:22 PM
Cloud cover
92%
12th clearest
Wind
5 km/h
8th windiest
Solar energy
3.73 kWh/m²
Travel score
2.8
out of 10

Calabar is city in Nigeria.

Density
894/km²
people per km²

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 Calabar 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 on par with October.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12823
22823
32823
42823
52823
62823
72823
82823
92823
102823
112823
122923
132923
142923
152923
162923
172923
182923
192923
202923
212923
222923
232923
242923
252923
262923
272923
282923
292923
302923

How September really feels in Calabar

Once humidity and wind are folded in, September averages 16 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
16
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.

Calabar 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° / 24°4010.811.73.7
Feb33° / 24°7015.611.82.9
Mar32° / 25°18727.1122.4
Apr31° / 24°28128.212.12.4
May30° / 24°34129.612.22.5
Jun29° / 23°40029.412.32.8
Jul28° / 23°42230.212.33.1
Aug28° / 23°3903012.23.2
Sep29° / 23°42029.7122.8
Oct29° / 23°39530.611.92.7
Nov30° / 24°1942611.82.9
Dec32° / 24°4812.611.74.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 0% of the time in September, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 0% of September, with mostly cloudy or overcast conditions the remaining 100%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
10100
20100
30100
40100
50100
60100
70100
80100
90100
100100
110100
120100
130100
140100
150100
160100
17199
18199
19199
20199
21199
22199
23199
24199
25199
26199
27199
28199
29199
30199

Chance of precipitation in September

Any precipitation

Calabar gets around 420 mm of rain over 29.7 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 99% and peaks near 99% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
198
298
399
499
599
699
799
899
999
1099
1199
1299
1399
1499
1599
1699
1799
1899
1999
2099
2199
2299
2399
2499
2599
2699
2799
2899
2999
3099

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 88% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
1964
2955
3955
4955
5946
6946
7946
8937
9937
10937
11928
12928
13919
14919
159010
168911
178911
188812
198713
208614
218515
228515
238416
248317
258218
268119
278020
287921
297822
307723

Wind in September

Winds average 5 km/h in September.

Across September, daily wind ranges from about 4 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm

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 6:24 AM to 6:17 AM, and sunset from 6:29 PM to 6:15 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:246:29
212.16:236:29
312.16:236:28
412.16:236:28
512.16:236:27
612.16:226:27
712.16:226:26
812.16:226:26
912.16:226:25
1012.16:226:25
1112.06:216:24
1212.06:216:24
1312.06:216:23
1412.06:216:23
1512.06:206:22
1612.06:206:22
1712.06:206:21
1812.06:206:21
1912.06:206:20
2012.06:196:20
2112.06:196:19
2212.06:196:19
2312.06:196:18
2412.06:186:18
2512.06:186:17
2612.06:186:17
2712.06:186:16
2812.06:186:16
2912.06:176:15
3012.06:176:15

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.73 kWh/m².

For context, solar energy here swings from a low near 3.43 kWh/m² to a high of 5.27 kWh/m² in January across the year — September's 3.73 kWh/m² falls in the middle.

01234151015202530
Solar energy (kWh/m²)Level
13.6Moderate
23.6Moderate
33.6Moderate
43.6Moderate
53.6Moderate
63.6Moderate
73.6Moderate
83.7Moderate
93.7Moderate
103.7Moderate
113.7Moderate
123.7Moderate
133.7Moderate
143.8Moderate
153.8Moderate
163.8Moderate
173.8Moderate
183.8Moderate
193.8Moderate
203.8Moderate
213.8Moderate
223.8Moderate
233.8Moderate
243.8Moderate
253.8Moderate
263.8Moderate
273.8Moderate
283.8Moderate
293.8Moderate
303.8Moderate
Planning a trip in September

Hazard calendar for Calabar

In seasonPeak

In September, Calabar sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Calabar's rainy season runs April–November, when most of the year's rain falls.

Calabar sees seasonal dust haze (December–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 Calabar?

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

2.8
Sightseeing
7th-best month of the year
3.5
Beach & pool
11th-best month of the year

September is a weaker month for outdoor sightseeing in Calabar.

What to pack for Calabar in September

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

In September, Calabar sees daytime highs around 29°C and nights near 23°C. Pack light clothes and rain gear. About 30 days see rain.

light clothesrain gear

Sea temperature near Calabar in September

The nearest coast averages about 27°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 38 km away) is warmest in April at about 29°C and coldest in August near 26°C.

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

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Tropical
Feb29Tropical
Mar29Tropical
Apr29Tropical
May29Tropical
Jun28Tropical
Jul27Warm
Aug26Warm
Sep27Warm
Oct28Warm
Nov28Tropical
Dec29Tropical

UV index in Calabar 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 Calabar peaks around April 11 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 9 (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 22UV 9
UV index (midday)Level
Jan9Very high
Feb10Very high
Mar13Extreme
Apr13Extreme
May12Extreme
Jun11Extreme
Jul11Extreme
Aug10Very high
Sep12Extreme
Oct12Extreme
Nov10Extreme
Dec9Very high

Air quality in Calabar 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 Calabar is worst in February — around 145 µg/m³ PM2.5 (unhealthy), about 3.3× the cleanest month (August, 44 µg/m³).

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

0306090120150JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorUnhealthyFeb 11142 µg/m³Aug 1345 µg/m³
PM2.5 (µg/m³)Level
Jan128Unhealthy
Feb145Unhealthy
Mar83Unhealthy
Apr70Unhealthy
May58Unhealthy
Jun51Poor
Jul46Poor
Aug44Poor
Sep50Poor
Oct60Unhealthy
Nov68Unhealthy
Dec113Unhealthy
Location & terrain

Where is Calabar?

Calabar sits at 5.0°N, 8.3°E, 37 m above sea level, in Nigeria. The nearest listed city is Esuk Oron, 19 km away.

BamussoEkondo TitiOhafia-Ifigh

Topography around Calabar

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

Within 3 km, the terrain around Calabar has only modest variations in elevation — a maximum elevation change of 65 m around an average of 29 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 99 m; within 80 km, large variations in elevation — a maximum elevation change of 1,066 m.

The land around Calabar is covered by artificial surfaces (63%) within 3 km, trees (60%) within 16 km, and trees (68%) and water (20%) within 80 km.

3 km
65 m
16 km
99 m
80 km
1,066 m
treesshrubsgrasslandartificial surfaceswatermangroves
September weather nearby: Esuk Oron 19 km · Uyo 45 km · Itu 47 km · Eket 57 km · Ikot Ekpene 72 km · Bamusso 85 km · Ekondo Titi 88 km · Ohafia-Ifigh 93 km

Nigeria travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type D / G
230 V · 50 Hz
Prices
≈ 13% of US
price level, 2025
GDP per capita
$1,224
2025
Happiness
4.8 / 10
World Happiness, 2025
Safe drinking water
30%
of population, 2024
Homicide rate
15.7
per 100k, 2023
Road deaths
20.7
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
High
EF EPI 569
Religion
Muslim 54%other Christian 35%Roman Catholic 11%other 1%

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 Calabar (4.9589°, 8.327°, elevation 37 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).