Péhonko weather in September

In September, Péhonko sees average daytime highs of 30°C and overnight lows near 22°C, with 210 mm of rain across 23.9 wet days and about 12.1 hours of daylight. It is the 10th-warmest and 3rd-wettest month of the year here.

Highs climb over the month, from about 29°C in the first days to 31°C by the end. The sky is clear or mostly clear about 6% of the time in September, and the air most often feels oppressive.

Daylight stretches from about 12 h 12 min at the start of September to 11 h 54 min by month's end. Set against the rest of the year, September is Péhonko's 10th-clearest and 12th-windiest month. For the whole year in context, see Péhonko's year-round climate.

Daytime high
30°
10th warmest
Overnight low
22°
7th coldest
Rainfall
210 mm
23.9 wet days
Daylight
12 h 06 min
6:45 AM – 6:48 PM
Cloud cover
74%
10th clearest
Wind
6 km/h
12th windiest
Solar energy
4.98 kWh/m²
Travel score
3.2
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 29°C in the first days to 31°C by the end.

A typical September day in Péhonko reaches about 30°C in the afternoon and slips back to 22°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 32°C. Set against its neighbours, September runs about 1°C warmer than August and about 2°C cooler than October.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12922
22922
32922
43022
53022
63022
73022
83022
93022
103022
113022
123022
133022
143022
153022
163022
173022
183022
193122
203122
213122
223122
233122
243122
253122
263122
273122
283122
293122
303122

How September really feels in Péhonko

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.

Péhonko weather by month

How September compares with the rest of the year at a glance. September is the 10th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 18°10.111.55.2
Feb34° / 21°30.611.73.6
Mar36° / 24°152.511.92.2
Apr36° / 25°531012.22.1
May33° / 24°12118.512.52.7
Jun31° / 23°13720.712.63.3
Jul29° / 22°2122612.53.3
Aug29° / 22°27827.712.33.2
Sep30° / 22°21023.912.13.2
Oct33° / 22°7712.811.83.4
Nov34° / 20°30.511.53.8
Dec33° / 18°0011.44.9

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 6% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 19% of September, with mostly cloudy or overcast conditions the remaining 75%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11288
21288
31387
41387
51486
61486
71684
81783
91783
101882
111981
122080
132179
142278
152377
162476
172575
182674
192773
202971
213070
223268
233367
243466
253565
263664
273862
284060
294060
304159

Chance of precipitation in September

Any precipitation

Péhonko gets around 210 mm of rain over 23.9 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 80% and peaks near 87% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202530
Rain chance (%)
187
287
387
486
586
685
784
884
983
1082
1182
1281
1381
1480
1580
1679
1779
1878
1977
2077
2176
2276
2375
2475
2574
2674
2773
2873
2972
3072

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
61990
71990
81990
91990
101990
111990
121990
131990
142980
152980
162980
172980
182980
192980
202980
212971
222971
232971
242971
252971
262971
272971
282971
292971
302971

Wind in September

Winds average 6 km/h in September, the calmest month.

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

0246810151015202530
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 12 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 18 minutes over September. Sunrise moves from 6:46 AM to 6:44 AM, and sunset from 6:58 PM to 6:39 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:466:58
212.26:466:57
312.26:466:56
412.26:466:56
512.26:466:55
612.26:456:55
712.16:456:54
812.16:456:53
912.16:456:53
1012.16:456:52
1112.16:456:51
1212.16:456:51
1312.16:456:50
1412.16:456:49
1512.16:456:49
1612.16:456:48
1712.06:456:47
1812.06:446:47
1912.06:446:46
2012.06:446:45
2112.06:446:45
2212.06:446:44
2312.06:446:43
2412.06:446:43
2512.06:446:42
2612.06:446:41
2711.96:446:41
2811.96:446:40
2911.96:446:40
3011.96:446:39

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.98 kWh/m².

For context, solar energy here swings from a low near 4.35 kWh/m² to a high of 6.49 kWh/m² in March across the year — September's 4.98 kWh/m² sits near the bottom.

0246151015202530
Solar energy (kWh/m²)Level
14.5Bright
24.6Bright
34.6Bright
44.6Bright
54.6Bright
64.7Bright
74.7Bright
84.7Bright
94.7Bright
104.8Bright
114.8Bright
124.8Bright
134.9Bright
144.9Bright
154.9Bright
165.0Bright
175.0Bright
185.0Bright
195.1Bright
205.1Bright
215.2Bright
225.2Bright
235.2Bright
245.3Bright
255.3Bright
265.3Bright
275.3Bright
285.4Bright
295.4Bright
305.4Bright
Planning a trip in September

Hazard calendar for Péhonko

In seasonPeak

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

Péhonko's monsoon runs June–September, when most of the year's rain falls.

Péhonko sees seasonal dust haze (January–June), heaviest in March.

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

Is September a good time to visit Péhonko?

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

3.2
Sightseeing
8th-best month of the year
4.4
Beach & pool
10th-best month of the year

September is a weaker month for outdoor sightseeing in Péhonko.

What to pack for Péhonko in September

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

In September, Péhonko sees daytime highs around 30°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 24 days see rain.

light clothesrain gearsun protection

UV index in Péhonko in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Péhonko peaks around April 18 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 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 highApr 18UV 13Dec 14UV 8
UV index (midday)Level
Jan9Very high
Feb11Extreme
Mar10Extreme
Apr13Extreme
May11Extreme
Jun11Extreme
Jul11Extreme
Aug12Extreme
Sep13Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Péhonko 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 Péhonko is worst in February — around 86 µg/m³ PM2.5 (unhealthy), about 6.4× the cleanest month (August, 14 µg/m³).

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

0306090JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorUnhealthyFeb 1384 µg/m³Aug 1114 µg/m³
PM2.5 (µg/m³)Level
Jan72Unhealthy
Feb86Unhealthy
Mar62Unhealthy
Apr44Poor
May24Moderate
Jun19Moderate
Jul14Moderate
Aug14Moderate
Sep19Moderate
Oct33Moderate
Nov46Poor
Dec67Unhealthy
Location & terrain

Where is Péhonko?

Péhonko sits at 10.2°N, 2.0°E, 385 m above sea level, in Benin. The nearest listed city is Tobré, 14 km away.

SinendéKopargoKérouDjougouNatitingouBembèrèkèToukountouna

Topography around Péhonko

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

Within 3 km, the terrain around Péhonko has only modest variations in elevation — a maximum elevation change of 75 m around an average of 383 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 140 m; within 80 km, significant variations in elevation — a maximum elevation change of 412 m.

The land around Péhonko is covered by cropland (31%), shrubs (29%) and grassland (26%) within 3 km, cropland (39%), shrubs (30%) and grassland (25%) within 16 km, and shrubs (40%) and cropland (37%) within 80 km.

3 km
75 m
16 km
140 m
80 km
412 m
treesshrubsgrasslandcroplandartificial surfaces
September weather nearby: Tobré 14 km · Sinendé 43 km · Kopargo 66 km · Kérou 67 km · Djougou 68 km · Natitingou 69 km · Bembèrèkè 72 km · Toukountouna 75 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 Péhonko (10.2275°, 2.0019°, elevation 385 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).