Aplahoué weather in September

In September, Aplahoué sees average daytime highs of 29°C and overnight lows near 23°C, with 157 mm of rain across 24.4 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 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 Aplahoué's 10th-clearest and 8th-windiest month. For the whole year in context, see Aplahoué's year-round climate.

Daytime high
29°
10th warmest
Overnight low
23°
3rd coldest
Rainfall
157 mm
24.4 wet days
Daylight
12 hours
6:46 AM – 6:49 PM
Cloud cover
82%
10th clearest
Wind
7 km/h
8th windiest
Solar energy
4.2 kWh/m²
Travel score
3.3
out of 10

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 Aplahoué reaches about 29°C in the afternoon and slips back to 23°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 31°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)
12923
22923
32923
42923
52923
62923
72923
82923
92923
102923
112923
122923
132923
142923
152923
162923
172923
182923
192923
203023
213023
223023
233023
243023
253023
263023
273023
283023
293023
303023

How September really feels in Aplahoué

Once humidity and wind are folded in, September averages 30 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
30
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.

Aplahoué 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
Jan33° / 23°133.611.63.9
Feb34° / 25°28711.83.0
Mar34° / 25°6013.8122.6
Apr33° / 25°9017.612.12.7
May32° / 24°13923.312.32.8
Jun30° / 23°15924.912.43.1
Jul29° / 23°13823.712.43.6
Aug28° / 22°13621.312.24.0
Sep29° / 23°15724.4123.3
Oct31° / 23°11621.211.83.4
Nov32° / 23°339.811.73.9
Dec33° / 23°14411.64.2

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 8% of September, with mostly cloudy or overcast conditions the remaining 91%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1595
2595
3595
4595
5595
6595
7694
8694
9694
10793
11793
12793
13793
14892
15892
16991
17991
18991
191090
201090
211090
221189
231189
241288
251288
261387
271387
281387
291486
301486

Chance of precipitation in September

Any precipitation

Aplahoué gets around 157 mm of rain over 24.4 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 81% and peaks near 83% on the wettest days.

0%20%40%60%80%151015202530
Rain chance (%)
181
281
381
481
582
682
782
882
982
1082
1183
1283
1383
1483
1582
1682
1782
1882
1982
2081
2181
2281
2381
2480
2580
2680
2780
2880
2980
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 98% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)Miserable (%)
11990
21990
31990
41990
51990
601000
701000
801000
901000
1001000
1101000
120991
130991
140991
150991
160991
170991
180991
190982
200982
210982
220982
230982
240982
250982
260973
270973
280973
290973
300964

Wind in September

Winds average 7 km/h in September.

Across September, daily wind ranges from about 6 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
18calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

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 6:49 AM to 6:44 AM, and sunset from 6:57 PM to 6:41 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:496:57
212.16:496:56
312.16:496:56
412.16:496:55
512.16:486:55
612.16:486:54
712.16:486:54
812.16:486:53
912.16:486:53
1012.16:486:52
1112.16:476:52
1212.16:476:51
1312.16:476:50
1412.16:476:50
1512.06:476:49
1612.06:466:49
1712.06:466:48
1812.06:466:48
1912.06:466:47
2012.06:466:46
2112.06:466:46
2212.06:456:45
2312.06:456:45
2412.06:456:44
2512.06:456:44
2612.06:456:43
2712.06:456:43
2812.06:446:42
2912.06:446:41
3011.96:446:41

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.2 kWh/m².

For context, solar energy here swings from a low near 3.85 kWh/m² to a high of 5.62 kWh/m² in March across the year — September's 4.2 kWh/m² sits near the bottom.

012345151015202530
Solar energy (kWh/m²)Level
14.0Moderate
24.0Moderate
34.0Bright
44.0Bright
54.0Bright
64.0Bright
74.0Bright
84.1Bright
94.1Bright
104.1Bright
114.1Bright
124.1Bright
134.2Bright
144.2Bright
154.2Bright
164.2Bright
174.2Bright
184.3Bright
194.3Bright
204.3Bright
214.3Bright
224.3Bright
234.3Bright
244.3Bright
254.4Bright
264.4Bright
274.4Bright
284.4Bright
294.4Bright
304.4Bright
Planning a trip in September

Hazard calendar for Aplahoué

In seasonPeak

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

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

Aplahoué 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 Aplahoué?

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

3.3
Sightseeing
7th-best month of the year
4.4
Beach & pool
10th-best month of the year

September is a weaker month for outdoor sightseeing in Aplahoué.

What to pack for Aplahoué in September

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

In September, Aplahoué sees daytime highs around 29°C and nights near 23°C. Pack light clothes and rain gear. About 24 days see rain.

light clothesrain gear

UV index in Aplahoué 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 Aplahoué peaks around April 9 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 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 9UV 13Dec 15UV 8
UV index (midday)Level
Jan9Very high
Feb11Extreme
Mar13Extreme
Apr13Extreme
May11Extreme
Jun11Extreme
Jul10Extreme
Aug10Very high
Sep12Extreme
Oct12Extreme
Nov9Very high
Dec8Very high

Air quality in Aplahoué 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 Aplahoué is worst in January — around 111 µg/m³ PM2.5 (unhealthy), about 4.0× the cleanest month (August, 28 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorUnhealthyJan 14109 µg/m³Aug 1228 µg/m³
PM2.5 (µg/m³)Level
Jan111Unhealthy
Feb87Unhealthy
Mar49Poor
Apr48Poor
May37Poor
Jun34Moderate
Jul29Moderate
Aug28Moderate
Sep33Moderate
Oct46Poor
Nov52Poor
Dec99Unhealthy
Location & terrain

Where is Aplahoué?

Aplahoué sits at 6.9°N, 1.7°E, 124 m above sea level, in Benin. The nearest listed city is Djakotomé, 5.0 km away.

AthiéméTabligboAbomey

Topography around Aplahoué

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

Within 3 km, the terrain around Aplahoué has only modest variations in elevation — a maximum elevation change of 105 m around an average of 163 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 222 m; within 80 km, significant variations in elevation — a maximum elevation change of 375 m.

The land around Aplahoué is covered by grassland (26%) and trees (21%) within 3 km, trees (35%), shrubs (25%) and cropland (20%) within 16 km, and trees (37%) and shrubs (31%) within 80 km.

3 km
105 m
16 km
222 m
80 km
375 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Djakotomé 5.0 km · Toviklin 18 km · Klouékanmè 18 km · Dogbo 18 km · Lokossa 33 km · Athiémé 39 km · Tabligbo 44 km · Abomey 44 km

Benin 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
$1,658
2025
Happiness
4.4 / 10
World Happiness, 2025
Safe drinking water
18%
of population, 2024
Homicide rate
1.1
per 100k, 2017
Road deaths
26.8
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
Very low
EF EPI 406
Religion
Muslim 28%Roman Catholic 26%Protestant 14%Vodoun 12%

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 Aplahoué (6.9333°, 1.6833°, elevation 124 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).