Loudima weather in September

In September, Loudima sees average daytime highs of 29°C and overnight lows near 21°C, with 11 mm of rain across 3.1 wet days and about 12 hours of daylight. It is the 9th-warmest and 9th-wettest month of the year here.

Highs climb over the month, from about 28°C in the first days to 30°C by the end. The sky is clear or mostly clear about 0% 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 Loudima's 11th-clearest and 1st-windiest month. For the whole year in context, see Loudima's year-round climate.

Daytime high
29°
9th warmest
Overnight low
21°
4th coldest
Rainfall
11 mm
3.1 wet days
Daylight
12 hours
6:03 AM – 6:01 PM
Cloud cover
88%
11th clearest
Wind
6 km/h
1st windiest
Solar energy
3.52 kWh/m²
Travel score
5.7
out of 10

Loudima is human settlement in Republic of the Congo.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 28°C in the first days to 30°C by the end.

A typical September day in Loudima reaches about 29°C in the afternoon and slips back to 21°C overnight — a 8°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 2°C cooler than October.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12821
22821
32821
42821
52921
62921
72921
82921
92921
102921
112921
122921
132921
142921
152921
162921
172922
182922
192922
202922
213022
223022
233022
243022
253022
263022
273022
283022
293022
303022

How September really feels in Loudima

Once humidity and wind are folded in, September averages 3 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
3
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.

Loudima weather by month

How September compares with the rest of the year at a glance. September is the 9th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 23°15123.112.23.1
Feb31° / 23°13320.212.13.0
Mar32° / 23°13521.1122.9
Apr31° / 23°14621.311.93.0
May31° / 23°6814.211.84.1
Jun28° / 21°30.611.86.7
Jul27° / 20°10.311.87.2
Aug28° / 20°30.711.96.9
Sep29° / 21°113.1125.7
Oct31° / 23°921612.13.7
Nov31° / 23°18025.212.22.9
Dec30° / 23°19126.112.23.0

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 (%)
1199
2199
3199
4199
5199
6199
7298
8298
9298
10298
11298
12298
13298
14397
15397
16397
17397
18397
19397
20496
21496
22496
23496
24595
25595
26595
27694
28694
29694
30793

Chance of precipitation in September

Any precipitation

Loudima gets around 11 mm of rain over 3.1 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 10% and peaks near 22% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
14
24
34
44
54
65
75
85
96
106
117
127
138
149
159
1610
1710
1811
1912
2012
2113
2214
2315
2416
2517
2617
2718
2819
2920
3022

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 90% of days. Sticky, muggy-or-worse air turns up on roughly 97% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)
19910
28920
37930
47930
56940
65950
75950
84960
94960
104951
113961
123961
133952
143952
152953
162944
172935
182926
192917
202908
2118910
2218811
2318613
2418415
2518217
2618118
2708020
2807822
2907525
3007327

Wind in September

Winds average 6 km/h in September, the windiest month of the year.

Across September, daily wind ranges from about 6 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
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 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 6:10 AM to 5:56 AM, and sunset from 6:05 PM to 5:58 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:106:05
211.96:096:05
311.96:096:05
411.96:086:04
511.96:086:04
611.96:086:04
711.96:076:04
811.96:076:03
912.06:066:03
1012.06:066:03
1112.06:056:03
1212.06:056:02
1312.06:046:02
1412.06:046:02
1512.06:036:02
1612.06:036:01
1712.06:026:01
1812.06:026:01
1912.06:016:01
2012.06:016:00
2112.06:006:00
2212.06:006:00
2312.05:596:00
2412.05:595:59
2512.05:585:59
2612.05:585:59
2712.05:575:59
2812.05:575:58
2912.05:575:58
3012.05:565:58

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.52 kWh/m².

For context, solar energy here swings from a low near 3.4 kWh/m² to a high of 5 kWh/m² in March across the year — September's 3.52 kWh/m² sits near the bottom.

01234151015202530
Solar energy (kWh/m²)Level
13.4Moderate
23.4Moderate
33.4Moderate
43.4Moderate
53.4Moderate
63.4Moderate
73.4Moderate
83.5Moderate
93.5Moderate
103.5Moderate
113.5Moderate
123.5Moderate
133.5Moderate
143.5Moderate
153.5Moderate
163.5Moderate
173.5Moderate
183.5Moderate
193.6Moderate
203.6Moderate
213.6Moderate
223.6Moderate
233.6Moderate
243.6Moderate
253.7Moderate
263.7Moderate
273.7Moderate
283.8Moderate
293.8Moderate
303.8Moderate
Planning a trip in September

Hazard calendar for Loudima

In seasonPeak

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

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

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is September a good time to visit Loudima?

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

5.7
Sightseeing
4th-best month of the year
7.3
Beach & pool
4th-best month of the year

September is a reasonable time to visit Loudima for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Loudima in September

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

In September, Loudima sees daytime highs around 29°C and nights near 21°C. Pack light clothes. About 3 days see rain.

light clothes

UV index in Loudima in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Loudima peaks around March 16 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 6 (high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeMar 16UV 15Jun 22UV 6
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar15Extreme
Apr13Extreme
May9Very high
Jun6High
Jul7High
Aug7High
Sep11Extreme
Oct14Extreme
Nov11Extreme
Dec10Extreme

Air quality in Loudima 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 Loudima is worst in July — around 47 µg/m³ PM2.5 (poor), about 3.6× the cleanest month (November, 13 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateJul 1946 µg/m³Nov 1413 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb19Moderate
Mar16Moderate
Apr14Moderate
May22Moderate
Jun36Poor
Jul47Poor
Aug41Poor
Sep23Moderate
Oct14Moderate
Nov13Moderate
Dec15Moderate
Location & terrain

Where is Loudima?

Loudima sits at 4.1°S, 13.1°E, 150 m above sea level, in Republic of the Congo. The nearest listed city is Nkayi, 25 km away.

SibitiBelizeBouansaLoutétéBuco Zau

Topography around Loudima

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

Within 3 km, the terrain around Loudima has only modest variations in elevation — a maximum elevation change of 85 m around an average of 139 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 300 m; within 80 km, large variations in elevation — a maximum elevation change of 807 m.

The land around Loudima is covered by trees (49%) and grassland (30%) within 3 km, grassland (66%) within 16 km, and trees (51%) and grassland (47%) within 80 km.

3 km
85 m
16 km
300 m
80 km
807 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Nkayi 25 km · Kayes 26 km · Dolisie 45 km · Sibiti 58 km · Belize 68 km · Bouansa 78 km · Loutété 89 km · Buco Zau 92 km

Republic of the Congo travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / E
230 V · 50 Hz
Prices
≈ 35% of US
price level, 2025
GDP per capita
$2,515
2025
Happiness
4.5 / 10
World Happiness, 2025
Safe drinking water
46%
of population, 2021
Road deaths
29.7
per 100k/yr, 2019
Income group
Lower middle
World Bank
Religion
Roman Catholic 33%Awakening Churches/Christian Revival 22%Protestant 20%none 11%

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 Loudima (-4.1162°, 13.0676°, elevation 150 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).