Ogwashi-Uku weather in September

In September, Ogwashi-Uku sees average daytime highs of 29°C and overnight lows near 23°C, with 265 mm of rain across 28.2 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 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 Ogwashi-Uku's 11th-clearest and 8th-windiest month. For the whole year in context, see Ogwashi-Uku's year-round climate.

Daytime high
29°
10th warmest
Overnight low
23°
3rd coldest
Rainfall
265 mm
28.2 wet days
Daylight
12 hours
6:27 AM – 6:29 PM
Cloud cover
87%
11th clearest
Wind
7 km/h
8th windiest
Solar energy
3.94 kWh/m²
Travel score
2.9
out of 10

Ogwashi-Uku is town in Aniocha South Local Government Area in Delta State, 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 29°C through the month.

A typical September day in Ogwashi-Uku 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 27°C and 31°C. Set against its neighbours, September runs on par with 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
262923
272923
283023
293023
303023

How September really feels in Ogwashi-Uku

Once humidity and wind are folded in, September averages 25 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
25
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.

Ogwashi-Uku 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
Jan34° / 23°143.711.73.3
Feb35° / 24°357.711.82.6
Mar34° / 24°9217122.5
Apr32° / 24°14921.112.12.6
May31° / 24°21826.412.32.6
Jun30° / 23°24328.112.42.8
Jul29° / 23°22728.512.33.2
Aug29° / 23°21926.212.23.4
Sep29° / 23°26528.2122.9
Oct30° / 23°2302711.92.9
Nov32° / 23°6511.811.73.8
Dec33° / 23°112.811.64.0

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 3% of September, with mostly cloudy or overcast conditions the remaining 97%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1298
2298
3298
4298
5298
6298
7298
8298
9298
10298
11298
12298
13298
14298
15397
16397
17397
18397
19496
20496
21496
22595
23595
24595
25595
26694
27694
28694
29694
30694

Chance of precipitation in September

Any precipitation

Ogwashi-Uku gets around 265 mm of rain over 28.2 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 94% and peaks near 95% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
192
292
393
493
593
693
794
894
994
1094
1195
1295
1395
1495
1595
1695
1795
1895
1994
2094
2194
2294
2394
2494
2594
2694
2794
2894
2994
3094

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

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)
1199
2199
3199
40100
50100
60100
70100
80100
90100
100100
110100
120100
130100
140100
150100
160100
170100
180100
190100
200100
210100
220100
230100
240100
250100
260100
270100
280100
290100
300100

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
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
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 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 6:30 AM to 6:25 AM, and sunset from 6:37 PM to 6:22 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:306:37
212.16:306:37
312.16:306:36
412.16:306:36
512.16:296:35
612.16:296:35
712.16:296:34
812.16:296:34
912.16:296:33
1012.16:286:32
1112.16:286:32
1212.16:286:31
1312.16:286:31
1412.06:286:30
1512.06:276:30
1612.06:276:29
1712.06:276:29
1812.06:276:28
1912.06:276:28
2012.06:266:27
2112.06:266:27
2212.06:266:26
2312.06:266:25
2412.06:266:25
2512.06:256:24
2612.06:256:24
2712.06:256:23
2812.06:256:23
2912.06:256:22
3012.06:256:22

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.94 kWh/m².

For context, solar energy here swings from a low near 3.74 kWh/m² to a high of 5.49 kWh/m² in January across the year — September's 3.94 kWh/m² sits near the bottom.

012345151015202530
Solar energy (kWh/m²)Level
13.8Moderate
23.8Moderate
33.8Moderate
43.9Moderate
53.9Moderate
63.9Moderate
73.9Moderate
83.9Moderate
93.9Moderate
103.9Moderate
113.9Moderate
123.9Moderate
133.9Moderate
143.9Moderate
154.0Moderate
164.0Moderate
174.0Moderate
184.0Moderate
194.0Moderate
204.0Moderate
214.0Bright
224.0Bright
234.0Bright
244.0Bright
254.0Bright
264.0Bright
274.0Bright
284.0Bright
294.0Bright
304.0Bright
Planning a trip in September

Hazard calendar for Ogwashi-Uku

In seasonPeak

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

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

Ogwashi-Uku 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 Ogwashi-Uku?

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

2.9
Sightseeing
6th-best month of the year
3.8
Beach & pool
12th-best month of the year

September is a weaker month for outdoor sightseeing in Ogwashi-Uku.

What to pack for Ogwashi-Uku in September

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

In September, Ogwashi-Uku sees daytime highs around 29°C and nights near 23°C. Pack light clothes and rain gear. About 28 days see rain.

light clothesrain gear

UV index in Ogwashi-Uku 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 Ogwashi-Uku peaks around September 22 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 10 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 highExtremeVery highSep 22UV 12Jan 10UV 8
UV index (midday)Level
Jan8Very high
Feb10Extreme
Mar12Extreme
Apr12Extreme
May11Extreme
Jun11Extreme
Jul10Extreme
Aug9Very high
Sep12Extreme
Oct12Extreme
Nov10Very high
Dec8Very high

Air quality in Ogwashi-Uku 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 Ogwashi-Uku is worst in January — around 201 µg/m³ PM2.5 (very unhealthy), about 3.5× the cleanest month (August, 58 µg/m³).

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

0306090120150180210JanFebMarAprMayJunJulAugSepOctNovDecVery unhealthyUnhealthyVery unhealthyJan 11201 µg/m³Aug 1058 µg/m³
PM2.5 (µg/m³)Level
Jan201Very unhealthy
Feb171Very unhealthy
Mar100Unhealthy
Apr98Unhealthy
May83Unhealthy
Jun73Unhealthy
Jul59Unhealthy
Aug58Unhealthy
Sep70Unhealthy
Oct92Unhealthy
Nov108Unhealthy
Dec197Very unhealthy
Location & terrain

Where is Ogwashi-Uku?

Ogwashi-Uku sits at 6.2°N, 6.5°E, 198 m above sea level, in Nigeria. The nearest listed city is Asaba, 23 km away.

Topography around Ogwashi-Uku

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

Within 3 km, the terrain around Ogwashi-Uku has only modest variations in elevation — a maximum elevation change of 171 m around an average of 165 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 268 m; within 80 km, significant variations in elevation — a maximum elevation change of 449 m.

The land around Ogwashi-Uku is covered by trees (34%), grassland (33%) and artificial surfaces (31%) within 3 km, trees (55%) and grassland (33%) within 16 km, and trees (64%) and grassland (24%) within 80 km.

3 km
171 m
16 km
268 m
80 km
449 m
treesshrubsgrasslandcroplandartificial surfaceswater
September weather nearby: Asaba 23 km · Onitsha 29 km · Atani 31 km · Nkpor 34 km · Agbor 37 km · Ozubulu 44 km · Nnewi 47 km · Ihiala 52 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 Ogwashi-Uku (6.1781°, 6.5246°, elevation 198 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).