Zé weather in September

In September, Zé sees average daytime highs of 29°C and overnight lows near 23°C, with 158 mm of rain across 24.9 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 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 11 h 54 min by month's end. Set against the rest of the year, September is 's 10th-clearest and 7th-windiest month. For the whole year in context, see 's year-round climate.

Daytime high
29°
10th warmest
Overnight low
23°
3rd coldest
Rainfall
158 mm
24.9 wet days
Daylight
12 hours
6:44 AM – 6:46 PM
Cloud cover
84%
10th clearest
Wind
8 km/h
7th windiest
Solar energy
4.11 kWh/m²
Travel score
3.3
out of 10

is commune in Benin.

Density
31/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 Zé 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 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
202923
212923
222923
232923
242923
252923
263023
273023
283023
293023
303023

How September really feels in Zé

Once humidity and wind are folded in, September averages 24 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
24
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.

Zé 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
Jan32° / 24°247.411.64.1
Feb33° / 25°409.811.83.3
Mar33° / 25°7517.5122.9
Apr32° / 25°1031912.13.0
May31° / 24°16425.412.32.8
Jun29° / 24°18826.512.43.1
Jul29° / 23°1362412.43.7
Aug28° / 23°12021.212.24.1
Sep29° / 23°15824.9123.3
Oct30° / 24°16026.211.83.0
Nov32° / 24°7117.511.73.5
Dec32° / 24°298.111.64.3

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 0% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 7% of September, with mostly cloudy or overcast conditions the remaining 92%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1694
2694
3694
4694
5694
6694
7694
8694
9694
10694
11694
12694
13694
14694
15694
16793
17793
18793
19793
20892
21892
22991
23991
24991
251090
261090
271090
281189
291189
301189

Chance of precipitation in September

Any precipitation

Zé gets around 158 mm of rain over 24.9 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 83% and peaks near 85% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
180
281
381
482
582
683
783
883
984
1084
1184
1284
1384
1484
1584
1684
1784
1883
1983
2083
2183
2283
2383
2483
2583
2684
2784
2884
2985
3085

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
501000
601000
70991
80991
90991
100991
110991
120991
130991
140991
150991
160991
170991
180991
190982
200982
210982
220982
230973
240973
250964
260964
270955
280955
290946
300937

Wind in September

Winds average 8 km/h in September.

Across September, daily wind ranges from about 7 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

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 6:47 AM to 6:42 AM, and sunset from 6:54 PM to 6:39 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:476:54
212.16:466:54
312.16:466:53
412.16:466:53
512.16:466:52
612.16:466:52
712.16:466:51
812.16:456:51
912.16:456:50
1012.16:456:50
1112.16:456:49
1212.16:456:48
1312.16:456:48
1412.06:446:47
1512.06:446:47
1612.06:446:46
1712.06:446:46
1812.06:446:45
1912.06:436:45
2012.06:436:44
2112.06:436:43
2212.06:436:43
2312.06:436:42
2412.06:436:42
2512.06:426:41
2612.06:426:41
2712.06:426:40
2812.06:426:40
2912.06:426:39
3011.96:426:39

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.11 kWh/m².

For context, solar energy here swings from a low near 3.86 kWh/m² to a high of 5.42 kWh/m² in February across the year — September's 4.11 kWh/m² falls in the middle.

012345151015202530
Solar energy (kWh/m²)Level
14.0Moderate
24.0Moderate
34.0Moderate
44.0Moderate
54.0Moderate
64.0Moderate
74.0Bright
84.0Bright
94.0Bright
104.0Bright
114.0Bright
124.1Bright
134.1Bright
144.1Bright
154.1Bright
164.1Bright
174.1Bright
184.1Bright
194.2Bright
204.2Bright
214.2Bright
224.2Bright
234.2Bright
244.2Bright
254.2Bright
264.3Bright
274.3Bright
284.3Bright
294.3Bright
304.3Bright
Planning a trip in September

Hazard calendar for Zé

In seasonPeak

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

Zé 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 Zé?

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

3.3
Sightseeing
6th-best month of the year
4.3
Beach & pool
9th-best month of the year

September is a weaker month for outdoor sightseeing in Zé.

What to pack for Zé in September

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

In September, sees daytime highs around 29°C and nights near 23°C. Pack light clothes and rain gear. About 25 days see rain.

light clothesrain gear

Sea temperature near Zé in September

The nearest coast averages about 26°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 46 km away) is warmest in May at about 29°C and coldest in August near 25°C.

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

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Warm
Feb28Tropical
Mar29Tropical
Apr29Tropical
May29Tropical
Jun28Warm
Jul26Warm
Aug25Warm
Sep26Warm
Oct27Warm
Nov29Tropical
Dec28Tropical

UV index in Zé 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 peaks around March 24 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 highMar 24UV 13Dec 17UV 8
UV index (midday)Level
Jan9Very high
Feb9Very high
Mar13Extreme
Apr13Extreme
May11Extreme
Jun11Extreme
Jul11Extreme
Aug10Very high
Sep12Extreme
Oct12Extreme
Nov9Very high
Dec8Very high

Air quality in Zé 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 is worst in January — around 102 µg/m³ PM2.5 (unhealthy), about 4.2× the cleanest month (August, 25 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorUnhealthyJan 16100 µg/m³Aug 1425 µg/m³
PM2.5 (µg/m³)Level
Jan102Unhealthy
Feb86Unhealthy
Mar47Poor
Apr44Poor
May33Moderate
Jun30Moderate
Jul27Moderate
Aug25Moderate
Sep29Moderate
Oct39Poor
Nov46Poor
Dec89Unhealthy
Location & terrain

Where is Zé?

Zé sits at 6.8°N, 2.3°E, 39 m above sea level, in Benin. The nearest listed city is Zinvié, 20 km away.

OuinhiSakétéMissérétéAdjaouèrè

Topography around Zé

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

Within 3 km, the terrain around Zé has only modest variations in elevation — a maximum elevation change of 98 m around an average of 74 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 174 m; within 80 km, significant variations in elevation — a maximum elevation change of 268 m.

The land around is covered by trees (91%) within 3 km, trees (69%) within 16 km, and trees (41%) within 80 km.

3 km
98 m
16 km
174 m
80 km
268 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Zinvié 20 km · Allada 21 km · Ganvié 37 km · Abomey-Calavi 38 km · Ouinhi 39 km · Sakété 40 km · Missérété 41 km · Adjaouèrè 42 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 (6.7833°, 2.3°, elevation 39 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).