Idiofa weather in September

In September, Idiofa sees average daytime highs of 30°C and overnight lows near 21°C, with 123 mm of rain across 21.7 wet days and about 12 hours of daylight. It is the 7th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 13% of the time in September, and the air most often feels muggy.

Daylight stretches from about 11 h 54 min at the start of September to 12 hours by month's end. Set against the rest of the year, September is Idiofa's 5th-clearest and 4th-windiest month. For the whole year in context, see Idiofa's year-round climate.

Daytime high
30°
7th warmest
Overnight low
21°
7th coldest
Rainfall
123 mm
21.7 wet days
Daylight
12 hours
5:37 AM – 5:35 PM
Cloud cover
69%
5th clearest
Wind
5 km/h
4th windiest
Solar energy
5.38 kWh/m²
Travel score
3.5
out of 10

Idiofa is commune in Kwilu, DR Congo.

Density
6,277/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 30°C through the month.

A typical September day in Idiofa reaches about 30°C in the afternoon and slips back to 21°C overnight — a 9°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 on par with August and on par with October.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13121
23121
33121
43021
53021
63021
73021
83021
93021
103021
113021
123021
133021
143021
153021
163021
173021
183021
193021
203021
213021
223021
233021
243021
253021
263021
273021
283021
293021
303021

How September really feels in Idiofa

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.

Idiofa weather by month

How September compares with the rest of the year at a glance. September is the 7th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 21°12821.512.33.5
Feb31° / 21°12719.512.23.3
Mar30° / 21°16223.9123.1
Apr30° / 21°15722.511.93.3
May30° / 21°7214.211.84.3
Jun31° / 20°174.111.75.2
Jul31° / 20°113.111.75.1
Aug31° / 21°5611.911.84.3
Sep30° / 21°12321.7123.5
Oct30° / 21°16825.812.13.2
Nov29° / 21°18525.612.23.2
Dec29° / 21°16125.312.33.3

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 13% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 21% of September, with mostly cloudy or overcast conditions the remaining 66%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14159
24060
34060
43961
53862
63862
73763
83862
93763
103763
113664
123664
133664
143565
153565
163565
173565
183466
193367
203268
213268
223169
233169
242971
252971
262872
272773
282773
292773
302773

Chance of precipitation in September

Any precipitation

Idiofa gets around 123 mm of rain over 21.7 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 71% and peaks near 80% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
158
259
361
462
563
665
766
867
968
1069
1170
1270
1371
1472
1572
1672
1773
1873
1974
2074
2175
2276
2376
2477
2578
2678
2779
2880
2980
3080

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the muggy band about 54% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)
147521
247323
337225
437126
527028
626830
726632
816534
916336
1016138
1115940
1215841
1315643
1415445
1505347
1605149
1705050
1804852
1904753
2004654
2104555
2204555
2304456
2404357
2504357
2604258
2704258
2804159
2904159
3004159

Wind in September

Winds average 5 km/h in September.

Across September, daily wind ranges from about 5 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
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 54 min at the start of September to 12 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over September. Sunrise moves from 5:44 AM to 5:30 AM, and sunset from 5:38 PM to 5:32 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.95:445:38
211.95:445:38
311.95:435:38
411.95:435:38
511.95:425:38
611.95:425:37
711.95:415:37
811.95:415:37
911.95:405:37
1011.95:405:37
1111.95:395:36
1212.05:395:36
1312.05:385:36
1412.05:385:36
1512.05:375:35
1612.05:375:35
1712.05:365:35
1812.05:365:35
1912.05:355:34
2012.05:355:34
2112.05:345:34
2212.05:345:34
2312.05:335:34
2412.05:335:33
2512.05:325:33
2612.05:325:33
2712.05:315:33
2812.05:315:32
2912.05:305:32
3012.05:305:32

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.38 kWh/m².

For context, solar energy here swings from a low near 4.96 kWh/m² to a high of 5.54 kWh/m² in February across the year — September's 5.38 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.3Bright
95.4Bright
105.4Bright
115.4Bright
125.4Bright
135.4Bright
145.4Bright
155.4Bright
165.4Bright
175.4Bright
185.4Bright
195.4Bright
205.4Bright
215.4Bright
225.4Bright
235.4Bright
245.4Bright
255.4Bright
265.4Bright
275.4Bright
285.4Bright
295.4Bright
305.4Bright
Planning a trip in September

Is September a good time to visit Idiofa?

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

3.5
Sightseeing
5th-best month of the year
4.9
Beach & pool
5th-best month of the year

September is a weaker month for outdoor sightseeing in Idiofa.

What to pack for Idiofa in September

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

In September, Idiofa sees daytime highs around 30°C and nights near 21°C. Pack light clothes and rain gear. Worth having: sun protection. About 22 days see rain.

light clothesrain gearsun protection

UV index in Idiofa in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Idiofa peaks around March 16 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near August 14 at about 4 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateExtremeMar 16UV 14Aug 14UV 4
UV index (midday)Level
Jan13Extreme
Feb13Extreme
Mar14Extreme
Apr13Extreme
May9Very high
Jun8Very high
Jul7High
Aug3Moderate
Sep10Extreme
Oct13Extreme
Nov13Extreme
Dec10Very high

Air quality in Idiofa 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 Idiofa is worst in August — around 181 µg/m³ PM2.5 (very unhealthy), about 14.1× the cleanest month (November, 13 µg/m³).

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

0306090120150180JanFebMarAprMayJunJulAugSepOctNovDecModerateUnhealthyVery unhealthyUnhealthyModerateAug 13173 µg/m³Nov 1713 µg/m³
PM2.5 (µg/m³)Level
Jan21Moderate
Feb27Moderate
Mar25Moderate
Apr22Moderate
May52Poor
Jun79Unhealthy
Jul135Unhealthy
Aug181Very unhealthy
Sep36Poor
Oct16Moderate
Nov13Moderate
Dec15Moderate
Location & terrain

Where is Idiofa?

Idiofa sits at 5.0°S, 19.6°E, 681 m above sea level, in Democratic Republic of the Congo. The nearest listed city is Kikwit, 86 km away.

BulunguIleboDunguMasi-ManimbaLuebo

Topography around Idiofa

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

Within 3 km, the terrain around Idiofa has only modest variations in elevation — a maximum elevation change of 196 m around an average of 635 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 297 m; within 80 km, significant variations in elevation — a maximum elevation change of 420 m.

The land around Idiofa is covered by grassland (38%), artificial surfaces (28%) and trees (24%) within 3 km, grassland (50%) and trees (33%) within 16 km, and trees (48%) and grassland (39%) within 80 km.

3 km
196 m
16 km
297 m
80 km
420 m
treesshrubsgrasslandcroplandartificial surfaces
September weather nearby: Kikwit 86 km · Dibaya-Lubwe 95 km · Mangai 105 km · Bulungu 119 km · Ilebo 131 km · Dungu 170 km · Masi-Manimba 190 km · Luebo 207 km

Democratic Republic of the Congo travel facts

Travel advisory
Level 4
Do Not Travel
Power plugs
Type C / E
220 V · 50 Hz
Prices
≈ 42% of US
price level, 2025
GDP per capita
$807
2025
Happiness
3.8 / 10
World Happiness, 2025
Safe drinking water
12%
of population, 2024
Road deaths
34.9
per 100k/yr, 2019
Income group
Low
World Bank
English
Very low
EF EPI 400

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 Idiofa (-4.9659°, 19.5915°, elevation 681 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).