Koumra weather in September

In September, Koumra sees average daytime highs of 30°C and overnight lows near 22°C, with 178 mm of rain across 23.4 wet days and about 12.1 hours of daylight. It is the 10th-warmest and 3rd-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 6% of the time in September, and the air most often feels oppressive.

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

Daytime high
30°
10th warmest
Overnight low
22°
6th coldest
Rainfall
178 mm
23.4 wet days
Daylight
12 hours
5:43 AM – 5:46 PM
Cloud cover
75%
11th clearest
Wind
6 km/h
12th windiest
Solar energy
5.2 kWh/m²
Travel score
3.3
out of 10

Koumra is city.

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 Koumra reaches about 30°C in the afternoon and slips back to 22°C overnight — a 8°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 about 1°C warmer than August and about 2°C cooler than October.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12922
22922
32922
42922
52922
63022
73022
83022
93022
103022
113022
123022
133022
143022
153022
163022
173022
183022
193022
203022
213022
223022
233022
243022
253122
263122
273122
283122
293122
303122

How September really feels in Koumra

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.

Koumra weather by month

How September compares with the rest of the year at a glance. September is the 10th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan34° / 19°0011.53.7
Feb37° / 21°0011.71.9
Mar39° / 25°30.911.90.7
Apr38° / 27°265.912.21.0
May35° / 26°7212.312.42.3
Jun32° / 24°10415.612.53.4
Jul30° / 22°19425.112.53.3
Aug29° / 22°24126.612.33.3
Sep30° / 22°17823.412.13.3
Oct32° / 22°7814.811.83.6
Nov34° / 21°40.911.63.6
Dec34° / 18°0011.54.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 6% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 17% of September, with mostly cloudy or overcast conditions the remaining 77%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11684
21684
31783
41882
51882
61882
71981
82080
92179
102179
112179
122278
132278
142476
152476
162476
172476
182575
192575
202674
212674
222674
232773
242773
252773
262872
272971
282971
293169
303268

Chance of precipitation in September

Any precipitation

Koumra gets around 178 mm of rain over 23.4 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 77% and peaks near 82% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
182
281
381
481
581
681
781
881
981
1081
1181
1280
1380
1480
1579
1679
1778
1877
1977
2076
2175
2275
2374
2473
2572
2671
2770
2869
2968
3068

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
Oppressive (%)Miserable (%)
1991
2991
3991
4991
5991
6991
7991
8991
9991
10991
11991
12991
13991
14991
15982
16982
17982
18982
19982
20982
21982
22982
23982
24982
25982
26982
27982
28973
29973
30973

Wind in September

Winds average 6 km/h in September, the calmest month.

Across September, daily wind ranges from about 6 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
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 12 h 12 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 18 minutes over September. Sunrise moves from 5:44 AM to 5:41 AM, and sunset from 5:55 PM to 5:37 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.25:445:55
212.25:445:54
312.25:445:54
412.15:445:53
512.15:445:52
612.15:445:52
712.15:445:51
812.15:445:51
912.15:435:50
1012.15:435:49
1112.15:435:49
1212.15:435:48
1312.15:435:47
1412.15:435:47
1512.15:435:46
1612.05:435:46
1712.05:435:45
1812.05:425:44
1912.05:425:44
2012.05:425:43
2112.05:425:42
2212.05:425:42
2312.05:425:41
2412.05:425:41
2512.05:425:40
2612.05:425:39
2712.05:415:39
2811.95:415:38
2911.95:415:38
3011.95:415:37

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.2 kWh/m².

For context, solar energy here swings from a low near 4.77 kWh/m² to a high of 6.81 kWh/m² in March across the year — September's 5.2 kWh/m² sits near the bottom.

0246151015202530
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
45.0Bright
55.0Bright
65.0Bright
75.0Bright
85.0Bright
95.1Bright
105.1Bright
115.1Bright
125.1Bright
135.2Bright
145.2Bright
155.2Bright
165.2Bright
175.3Bright
185.3Bright
195.3Bright
205.3Bright
215.3Bright
225.3Bright
235.4Bright
245.4Bright
255.4Bright
265.4Bright
275.4Bright
285.5Bright
295.5Bright
305.5Bright
Planning a trip in September

Hazard calendar for Koumra

In seasonPeak

In September, Koumra sits inside its monsoon season. The full year is below, with each hazard's peak months called out.

Koumra's monsoon runs July–September, when most of the year's rain falls.

Koumra sees seasonal dust haze (March–April), heaviest in March.

Monsoon
Dust
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is September a good time to visit Koumra?

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
4.6
Beach & pool
8th-best month of the year

September is a weaker month for outdoor sightseeing in Koumra.

What to pack for Koumra in September

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

In September, Koumra sees daytime highs around 30°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 23 days see rain.

light clothesrain gearsun protection

UV index in Koumra 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 Koumra peaks around March 21 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highMar 21UV 14Dec 14UV 9
UV index (midday)Level
Jan10Extreme
Feb12Extreme
Mar14Extreme
Apr13Extreme
May10Extreme
Jun12Extreme
Jul12Extreme
Aug13Extreme
Sep11Extreme
Oct11Extreme
Nov10Very high
Dec9Very high

Air quality in Koumra 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 Koumra is worst in March — around 50 µg/m³ PM2.5 (poor), about 4.0× the cleanest month (July, 13 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModerateMar 1249 µg/m³Jul 1913 µg/m³
PM2.5 (µg/m³)Level
Jan44Poor
Feb44Poor
Mar50Poor
Apr28Moderate
May16Moderate
Jun16Moderate
Jul13Moderate
Aug14Moderate
Sep16Moderate
Oct22Moderate
Nov21Moderate
Dec38Poor
Location & terrain

Where is Koumra?

Koumra sits at 8.9°N, 17.6°E, 397 m above sea level, in Chad. The nearest listed city is Maro, 38 km away.

BébédjaGoréBenoy

Topography around Koumra

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

Within 3 km, the terrain around Koumra has only modest variations in elevation — a maximum elevation change of 54 m around an average of 408 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 237 m; within 80 km, significant variations in elevation — a maximum elevation change of 348 m.

The land around Koumra is covered by cropland (32%), shrubs (30%) and artificial surfaces (22%) within 3 km, shrubs (43%) and cropland (37%) within 16 km, and shrubs (41%) and cropland (37%) within 80 km.

3 km
54 m
16 km
237 m
80 km
348 m
treesshrubsgrasslandcroplandartificial surfaceswetland
September weather nearby: Maro 38 km · Bédiondo 51 km · Moïssala 68 km · Doba 82 km · Sarh 95 km · Bébédja 111 km · Goré 117 km · Benoy 135 km

Chad travel facts

Travel advisory
Level 4
Do Not Travel
Power plugs
Type C / D / E / F
220 V · 50 Hz
Prices
≈ 35% of US
price level, 2025
GDP per capita
$1,022
2025
Happiness
4.4 / 10
World Happiness, 2025
Safe drinking water
6%
of population, 2024
Road deaths
32.4
per 100k/yr, 2019
Income group
Low
World Bank
Religion
Muslim 52%Protestant 24%Roman Catholic 20%none 3%

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 Koumra (8.9159°, 17.5505°, elevation 397 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).