Efon-Alaaye weather in September

In September, Efon-Alaaye sees average daytime highs of 28°C and overnight lows near 21°C, with 243 mm of rain across 27.8 wet days and about 12 hours of daylight. It is the 10th-warmest and 1st-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 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 Efon-Alaaye's 10th-clearest and 9th-windiest month. For the whole year in context, see Efon-Alaaye's year-round climate.

Daytime high
28°
10th warmest
Overnight low
21°
4th coldest
Rainfall
243 mm
27.8 wet days
Daylight
12 hours
6:33 AM – 6:36 PM
Cloud cover
86%
10th clearest
Wind
7 km/h
9th windiest
Solar energy
4.02 kWh/m²
Travel score
3.5
out of 10

Efon-Alaaye is city in Nigeria.

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 Efon-Alaaye reaches about 28°C in the afternoon and slips back to 21°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 30°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)
12721
22721
32721
42721
52721
62721
72721
82721
92721
102721
112721
122721
132821
142821
152821
162821
172821
182821
192821
202821
212821
222821
232821
242821
252821
262821
272821
282821
292821
302821

How September really feels in Efon-Alaaye

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.

Efon-Alaaye weather by month

How September compares with the rest of the year at a glance. September is the 10th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan33° / 20°122.511.64.1
Feb34° / 22°285.711.73.4
Mar33° / 23°7815.411.93.1
Apr31° / 23°11319.212.23.3
May30° / 22°16623.912.33.4
Jun28° / 22°20726.612.43.5
Jul27° / 21°19627.712.43.7
Aug27° / 21°20425.812.33.9
Sep28° / 21°24327.8123.5
Oct29° / 21°20926.111.83.4
Nov31° / 21°417.911.74.6
Dec33° / 20°61.411.64.6

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 4% of September, with mostly cloudy or overcast conditions the remaining 95%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1397
2397
3397
4397
5496
6496
7496
8496
9496
10595
11595
12595
13595
14595
15595
16595
17595
18595
19595
20595
21595
22496
23496
24496
25496
26496
27496
28595
29595
30595

Chance of precipitation in September

Any precipitation

Efon-Alaaye gets around 243 mm of rain over 27.8 wet days in September, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 93% and peaks near 93% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
193
293
393
493
593
693
793
892
993
1093
1193
1293
1393
1493
1593
1693
1793
1893
1993
2093
2193
2293
2393
2493
2592
2692
2792
2892
2992
3091

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 59% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)
15644
25545
35446
45347
55347
65248
75149
85050
94951
104852
114753
124654
134456
144357
154159
164060
173961
183763
193664
203565
213466
223367
233268
243169
253070
262971
272872
282872
292773
302674

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
28calm
38calm
48calm
58calm
68calm
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 6:36 AM to 6:31 AM, and sunset from 6:44 PM to 6:28 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:366:44
212.16:356:44
312.16:356:43
412.16:356:43
512.16:356:42
612.16:356:42
712.16:356:41
812.16:356:41
912.16:346:40
1012.16:346:39
1112.16:346:39
1212.16:346:38
1312.16:346:38
1412.16:346:37
1512.06:346:36
1612.06:336:36
1712.06:336:35
1812.06:336:35
1912.06:336:34
2012.06:336:34
2112.06:336:33
2212.06:326:32
2312.06:326:32
2412.06:326:31
2512.06:326:31
2612.06:326:30
2712.06:326:29
2812.06:326:29
2911.96:326:28
3011.96:316:28

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.02 kWh/m².

For context, solar energy here swings from a low near 3.69 kWh/m² to a high of 5.75 kWh/m² in February across the year — September's 4.02 kWh/m² sits near the bottom.

012345151015202530
Solar energy (kWh/m²)Level
13.8Moderate
23.8Moderate
33.8Moderate
43.8Moderate
53.8Moderate
63.9Moderate
73.9Moderate
83.9Moderate
93.9Moderate
103.9Moderate
114.0Moderate
124.0Moderate
134.0Moderate
144.0Bright
154.0Bright
164.0Bright
174.0Bright
184.1Bright
194.1Bright
204.1Bright
214.1Bright
224.1Bright
234.1Bright
244.1Bright
254.2Bright
264.2Bright
274.2Bright
284.2Bright
294.2Bright
304.2Bright
Planning a trip in September

Hazard calendar for Efon-Alaaye

In seasonPeak

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

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

Efon-Alaaye 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 Efon-Alaaye?

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

3.5
Sightseeing
6th-best month of the year
3.7
Beach & pool
12th-best month of the year

September is a weaker month for outdoor sightseeing in Efon-Alaaye.

What to pack for Efon-Alaaye in September

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

In September, Efon-Alaaye sees daytime highs around 28°C and nights near 21°C. Pack light clothes and rain gear. About 28 days see rain.

light clothesrain gear

UV index in Efon-Alaaye 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 Efon-Alaaye peaks around March 23 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 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 highMar 23UV 12Dec 21UV 8
UV index (midday)Level
Jan8Very high
Feb9Very high
Mar12Extreme
Apr12Extreme
May11Extreme
Jun11Extreme
Jul11Extreme
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov10Very high
Dec8Very high

Air quality in Efon-Alaaye 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 Efon-Alaaye is worst in January — around 170 µg/m³ PM2.5 (very unhealthy), about 4.4× the cleanest month (July, 39 µg/m³).

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

0306090120150180JanFebMarAprMayJunJulAugSepOctNovDecVery unhealthyUnhealthyPoorUnhealthyJan 17169 µg/m³Jul 2239 µg/m³
PM2.5 (µg/m³)Level
Jan170Very unhealthy
Feb156Very unhealthy
Mar80Unhealthy
Apr65Unhealthy
May50Poor
Jun45Poor
Jul39Poor
Aug40Poor
Sep50Poor
Oct70Unhealthy
Nov94Unhealthy
Dec154Very unhealthy
Location & terrain

Where is Efon-Alaaye?

Efon-Alaaye sits at 7.7°N, 4.9°E, 556 m above sea level, in Nigeria. The nearest listed city is Ijebu-Jesa, 12 km away.

Topography around Efon-Alaaye

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

Within 3 km, the terrain around Efon-Alaaye has significant variations in elevation — a maximum elevation change of 344 m around an average of 532 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 499 m; within 80 km, large variations in elevation — a maximum elevation change of 797 m.

The land around Efon-Alaaye is covered by trees (84%) within 3 km, trees (87%) within 16 km, and trees (77%) within 80 km.

3 km
344 m
16 km
499 m
80 km
797 m
treesshrubsgrasslandcroplandartificial surfaces
September weather nearby: Ijebu-Jesa 12 km · Aramoko-Ekiti 14 km · Oke Mesi 18 km · Ilesa 20 km · Igede-Ekiti 23 km · Igbara-Odo 23 km · Ijero-Ekiti 24 km · Ipoti 30 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 Efon-Alaaye (7.6565°, 4.9223°, elevation 556 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).