Dourbali weather in September

In September, Dourbali sees average daytime highs of 32°C and overnight lows near 23°C, with 105 mm of rain across 15.4 wet days and about 12.1 hours of daylight. It is the 11th-warmest and 3rd-wettest month of the year here.

Highs climb over the month, from about 31°C in the first days to 34°C by the end. The sky is clear or mostly clear about 21% 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 Dourbali's 10th-clearest and 12th-windiest month. For the whole year in context, see Dourbali's year-round climate.

Daytime high
32°
11th warmest
Overnight low
23°
8th coldest
Rainfall
105 mm
15.4 wet days
Daylight
12 h 06 min
5:49 AM – 5:53 PM
Cloud cover
63%
10th clearest
Wind
8 km/h
12th windiest
Solar energy
5.83 kWh/m²
Travel score
3.3
out of 10

Dourbali is city in Chari-Baguirmi Region, Chad.

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 31°C in the first days to 34°C by the end.

A typical September day in Dourbali reaches about 32°C in the afternoon and slips back to 23°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 34°C. Set against its neighbours, September runs about 2°C warmer than August and about 4°C cooler than October.

20°25°30°35°40°151015202530
Avg high (°C)Avg low (°C)
13123
23123
33123
43123
53123
63123
73123
83123
93123
103223
113223
123223
133223
143223
153223
163223
173224
183224
193324
203324
213324
223324
233324
243324
253324
263324
273424
283424
293424
303424

How September really feels in Dourbali

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.

Dourbali weather by month

How September compares with the rest of the year at a glance. September is the 11th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan33° / 16°0011.44.6
Feb36° / 19°0011.62.6
Mar40° / 23°00.111.90.4
Apr41° / 26°51.712.30.0
May40° / 27°23612.50.2
Jun37° / 26°429.612.71.5
Jul33° / 24°1141712.62.9
Aug31° / 23°19722.912.43.3
Sep32° / 23°10515.412.13.3
Oct36° / 23°214.511.72.4
Nov36° / 20°00.111.52.4
Dec34° / 17°0011.34.2

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 23% of September, with mostly cloudy or overcast conditions the remaining 56%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12773
22872
33169
43169
53268
63466
73466
83664
93763
103862
114060
124060
134258
144357
154357
164654
174654
184753
194951
205050
215050
225248
235248
245347
255545
265545
275644
285842
295842
305941

Chance of precipitation in September

Any precipitation

Dourbali gets around 105 mm of rain over 15.4 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 51% and peaks near 67% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
167
266
365
464
563
662
761
860
959
1058
1157
1256
1354
1453
1552
1650
1749
1848
1947
2045
2144
2243
2342
2441
2539
2638
2737
2836
2935
3034

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 82% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
100008614
200008713
300008713
400008713
500008713
600008713
700008614
800008614
900008614
1000008614
1100008614
1200008515
1300008515
1400008416
1500008317
1600018217
1700018118
1800018118
1900018118
2000028018
2100028018
2200028018
2300038017
2410047817
2511147716
2611157715
2711167615
2811177614
2911287612
3021297511

Wind in September

Winds average 8 km/h in September, the calmest month.

Across September, daily wind ranges from about 7 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
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm

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 5:49 AM to 5:49 AM, and sunset from 6:03 PM to 5:43 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.25:496:03
212.25:496:02
312.25:496:02
412.25:496:01
512.25:496:00
612.25:496:00
712.25:495:59
812.25:495:58
912.15:495:58
1012.15:495:57
1112.15:495:56
1212.15:495:56
1312.15:495:55
1412.15:495:54
1512.15:495:54
1612.15:495:53
1712.15:495:52
1812.05:495:51
1912.05:495:51
2012.05:495:50
2112.05:495:49
2212.05:495:49
2312.05:495:48
2412.05:495:47
2512.05:495:46
2612.05:495:46
2711.95:495:45
2811.95:495:44
2911.95:495:44
3011.95:495:43

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.83 kWh/m².

For context, solar energy here swings from a low near 5.09 kWh/m² to a high of 7.12 kWh/m² in March across the year — September's 5.83 kWh/m² sits near the bottom.

0246151015202530
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.4Bright
45.5Bright
55.5Bright
65.5Bright
75.6Bright
85.6Bright
95.6Bright
105.7Bright
115.7Bright
125.7Bright
135.8Bright
145.8Bright
155.8Bright
165.9Bright
175.9Bright
185.9Bright
196.0Bright
206.0Bright
216.0Bright
226.0Intense
236.0Intense
246.0Intense
256.1Intense
266.1Intense
276.1Intense
286.1Intense
296.1Intense
306.1Intense
Planning a trip in September

Hazard calendar for Dourbali

In seasonPeak

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

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

Dourbali sees seasonal dust haze (February–July), heaviest in March.

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

Is September a good time to visit Dourbali?

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

3.3
Sightseeing
3rd-best month of the year
5.5
Beach & pool
6th-best month of the year

September is a weaker month for outdoor sightseeing in Dourbali.

What to pack for Dourbali in September

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

In September, Dourbali sees daytime highs around 32°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 15 days see rain.

light clothesrain gearsun protection

UV index in Dourbali 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 Dourbali peaks around March 17 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeVery highMar 17UV 13Dec 16UV 8
UV index (midday)Level
Jan10Very high
Feb12Extreme
Mar13Extreme
Apr12Extreme
May9Very high
Jun11Extreme
Jul12Extreme
Aug13Extreme
Sep11Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Dourbali 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 Dourbali is worst in February — around 91 µg/m³ PM2.5 (unhealthy), about 4.6× the cleanest month (August, 20 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorUnhealthyFeb 1891 µg/m³Aug 1720 µg/m³
PM2.5 (µg/m³)Level
Jan84Unhealthy
Feb91Unhealthy
Mar89Unhealthy
Apr60Unhealthy
May34Moderate
Jun30Moderate
Jul21Moderate
Aug20Moderate
Sep21Moderate
Oct35Moderate
Nov46Poor
Dec76Unhealthy
Location & terrain

Where is Dourbali?

Dourbali sits at 11.8°N, 15.9°E, 321 m above sea level, in Chad. The nearest listed city is Mandelia, 68 km away.

GuelendengMassakoryBokoroMaga

Topography around Dourbali

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

Within 3 km, the terrain around Dourbali has only modest variations in elevation — a maximum elevation change of 21 m around an average of 320 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 35 m; within 80 km, only modest variations in elevation — a maximum elevation change of 52 m.

The land around Dourbali is covered by grassland (76%) within 3 km, grassland (83%) within 16 km, and grassland (80%) within 80 km.

3 km
21 m
16 km
35 m
80 km
52 m
shrubsgrasslandcroplandartificial surfaceswetland
September weather nearby: Mandelia 68 km · Massaguet 88 km · N'Djamena 96 km · Kousséri 96 km · Guelendeng 105 km · Massakory 133 km · Bokoro 144 km · Maga 147 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 Dourbali (11.8062°, 15.8669°, elevation 321 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).