Moundou weather in September

In September, Moundou sees average daytime highs of 30°C and overnight lows near 22°C, with 175 mm of rain across 22.3 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 7% 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 Moundou's 11th-clearest and 12th-windiest month. For the whole year in context, see Moundou's year-round climate.

Daytime high: 30°; 10th warmest
Overnight low: 22°; 6th coldest
Rainfall: 175 mm; 22.3 wet days
Daylight: 12 hours; 5:49 AM – 5:51 PM
Cloud cover: 74%; 11th clearest
Wind: 6 km/h; 12th windiest
Solar energy: 5.28 kWh/m²
Travel score: 3.4; out of 10

Moundou is city in Chad.

Founded: 1923

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

← August Moundou year-round climate October →Best places to visit in September

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

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 Moundou 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.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Avg high (°C)	29	29	29	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	31	31	31	31	31	31	31	31
Avg low (°C)	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22

	Avg high (°C)	Avg low (°C)
1	29	22
2	29	22
3	29	22
4	30	22
5	30	22
6	30	22
7	30	22
8	30	22
9	30	22
10	30	22
11	30	22
12	30	22
13	30	22
14	30	22
15	30	22
16	30	22
17	30	22
18	30	22
19	30	22
20	30	22
21	30	22
22	30	22
23	31	22
24	31	22
25	31	22
26	31	22
27	31	22
28	31	22
29	31	22
30	31	22

How September really feels in Moundou

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

heat index over the day's high

Days feeling ≤ 0°C

wind chill below the day's low

The story in September is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Moundou 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.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	33° / 17°	0	0	11.6	4.7
Feb	35° / 20°	0	0	11.7	3.0
Mar	38° / 24°	3	0.8	11.9	1.3
Apr	37° / 26°	24	5.6	12.2	1.4
May	35° / 25°	74	12.4	12.4	2.5
Jun	32° / 23°	116	16.8	12.5	3.4
Jul	30° / 22°	203	24.8	12.4	3.3
Aug	29° / 22°	262	27.3	12.3	3.2
Sep	30° / 22°	175	22.3	12.1	3.4
Oct	32° / 22°	65	12.4	11.8	3.7
Nov	34° / 21°	3	0.7	11.6	3.7
Dec	33° / 18°	0	0	11.5	4.7

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 7% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 20% of September, with mostly cloudy or overcast conditions the remaining 73%. Skies tend to open up as the month goes on.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Clearer (%)	18	18	19	19	21	21	22	24	24	25	26	26	27	28	28	28	29	29	29	30	30	30	30	31	31	32	33	34	34	35
Cloudier (%)	82	82	81	81	79	79	78	76	76	75	74	74	73	72	72	72	71	71	71	70	70	70	70	69	69	68	67	66	66	65

	Clearer (%)	Cloudier (%)
1	18	82
2	18	82
3	19	81
4	19	81
5	21	79
6	21	79
7	22	78
8	24	76
9	24	76
10	25	75
11	26	74
12	26	74
13	27	73
14	28	72
15	28	72
16	28	72
17	29	71
18	29	71
19	29	71
20	30	70
21	30	70
22	30	70
23	30	70
24	31	69
25	31	69
26	32	68
27	33	67
28	34	66
29	34	66
30	35	65

Chance of precipitation in September

Any precipitation

Moundou gets around 175 mm of rain over 22.3 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 74% and peaks near 81% on the wettest days. The odds ease toward the end of the month.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Rain chance (%)	81	80	80	79	79	79	78	78	78	77	77	76	76	76	75	75	74	74	73	73	72	71	71	70	69	68	67	66	66	65

	Rain chance (%)
1	81
2	80
3	80
4	79
5	79
6	79
7	78
8	78
9	78
10	77
11	77
12	76
13	76
14	76
15	75
16	75
17	74
18	74
19	73
20	73
21	72
22	71
23	71
24	70
25	69
26	68
27	67
28	66
29	66
30	65

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 97% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Muggy (%)	3	3	3	3	3	3	3	3	4	4	4	4	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	4
Oppressive (%)	97	97	97	97	97	97	97	97	96	96	96	96	97	97	97	97	97	97	97	97	97	97	97	97	97	97	97	97	97	96

	Muggy (%)	Oppressive (%)
1	3	97
2	3	97
3	3	97
4	3	97
5	3	97
6	3	97
7	3	97
8	3	97
9	4	96
10	4	96
11	4	96
12	4	96
13	3	97
14	3	97
15	3	97
16	3	97
17	3	97
18	3	97
19	3	97
20	3	97
21	3	97
22	3	97
23	3	97
24	3	97
25	3	97
26	3	97
27	3	97
28	3	97
29	3	97
30	4	96

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.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Wind speed (km/h)	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

	Wind speed (km/h)	Feels
1	6	calm
2	6	calm
3	6	calm
4	6	calm
5	6	calm
6	6	calm
7	6	calm
8	6	calm
9	6	calm
10	6	calm
11	6	calm
12	6	calm
13	6	calm
14	6	calm
15	6	calm
16	6	calm
17	6	calm
18	6	calm
19	6	calm
20	6	calm
21	6	calm
22	6	calm
23	6	calm
24	6	calm
25	6	calm
26	6	calm
27	6	calm
28	6	calm
29	6	calm
30	6	calm

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 5:50 AM to 5:47 AM, and sunset from 6:00 PM to 5:43 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Daylight (h)	12.2	12.2	12.2	12.1	12.1	12.1	12.1	12.1	12.1	12.1	12.1	12.1	12.1	12.1	12.1	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	11.9	11.9	11.9
Sunrise (AM)	5:50	5:50	5:50	5:50	5:50	5:50	5:50	5:50	5:50	5:49	5:49	5:49	5:49	5:49	5:49	5:49	5:48	5:48	5:48	5:48	5:48	5:48	5:48	5:48	5:48	5:47	5:47	5:47	5:47	5:47
Sunset (PM)	6:00	6:00	5:59	5:59	5:58	5:57	5:57	5:56	5:56	5:55	5:54	5:54	5:53	5:53	5:52	5:51	5:51	5:50	5:50	5:49	5:48	5:48	5:47	5:47	5:46	5:45	5:45	5:44	5:44	5:43

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	12.2	5:50	6:00
2	12.2	5:50	6:00
3	12.2	5:50	5:59
4	12.1	5:50	5:59
5	12.1	5:50	5:58
6	12.1	5:50	5:57
7	12.1	5:50	5:57
8	12.1	5:50	5:56
9	12.1	5:50	5:56
10	12.1	5:49	5:55
11	12.1	5:49	5:54
12	12.1	5:49	5:54
13	12.1	5:49	5:53
14	12.1	5:49	5:53
15	12.1	5:49	5:52
16	12.0	5:49	5:51
17	12.0	5:48	5:51
18	12.0	5:48	5:50
19	12.0	5:48	5:50
20	12.0	5:48	5:49
21	12.0	5:48	5:48
22	12.0	5:48	5:48
23	12.0	5:48	5:47
24	12.0	5:48	5:47
25	12.0	5:48	5:46
26	12.0	5:47	5:45
27	12.0	5:47	5:45
28	11.9	5:47	5:44
29	11.9	5:47	5:44
30	11.9	5:47	5:43

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.28 kWh/m².

For context, solar energy here swings from a low near 4.82 kWh/m² to a high of 6.85 kWh/m² in March across the year — September's 5.28 kWh/m² sits near the bottom.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Solar energy (kWh/m²)	5.0	5.0	5.0	5.0	5.0	5.1	5.1	5.1	5.1	5.2	5.2	5.2	5.3	5.3	5.3	5.3	5.4	5.4	5.4	5.4	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.6	5.6	5.6
Level	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright

	Solar energy (kWh/m²)	Level
1	5.0	Bright
2	5.0	Bright
3	5.0	Bright
4	5.0	Bright
5	5.0	Bright
6	5.1	Bright
7	5.1	Bright
8	5.1	Bright
9	5.1	Bright
10	5.2	Bright
11	5.2	Bright
12	5.2	Bright
13	5.3	Bright
14	5.3	Bright
15	5.3	Bright
16	5.3	Bright
17	5.4	Bright
18	5.4	Bright
19	5.4	Bright
20	5.4	Bright
21	5.5	Bright
22	5.5	Bright
23	5.5	Bright
24	5.5	Bright
25	5.5	Bright
26	5.5	Bright
27	5.5	Bright
28	5.6	Bright
29	5.6	Bright
30	5.6	Bright

Planning a trip in September

Hazard calendar for Moundou

In seasonPeak

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

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

Moundou 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 Moundou?

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

3.4

Sightseeing

5th-best month of the year

4.7

Beach & pool

8th-best month of the year

September is a weaker month for outdoor sightseeing in Moundou.

What to pack for Moundou in September

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

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

light clothesrain gearsun protection

UV index in Moundou 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 Moundou 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.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	11	11	14	13	10	11	11	13	12	12	10	8
Level	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Very high	Very high

	UV index (midday)	Level
Jan	11	Extreme
Feb	11	Extreme
Mar	14	Extreme
Apr	13	Extreme
May	10	Extreme
Jun	11	Extreme
Jul	11	Extreme
Aug	13	Extreme
Sep	12	Extreme
Oct	12	Extreme
Nov	10	Very high
Dec	8	Very high

Air quality in Moundou 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 Moundou is worst in March — around 56 µg/m³ PM2.5 (unhealthy), about 4.4× the cleanest month (July, 13 µg/m³).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	54	50	56	34	20	18	13	14	15	23	21	42
Level	Poor	Poor	Unhealthy	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Poor

	PM2.5 (µg/m³)	Level
Jan	54	Poor
Feb	50	Poor
Mar	56	Unhealthy
Apr	34	Moderate
May	20	Moderate
Jun	18	Moderate
Jul	13	Moderate
Aug	14	Moderate
Sep	15	Moderate
Oct	23	Moderate
Nov	21	Moderate
Dec	42	Poor

Location & terrain

Where is Moundou?

Moundou sits at 8.6°N, 16.1°E, 402 m above sea level, in Chad. The nearest listed city is Goré, 49 km away.

Topography around Moundou

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

Within 3 km, the terrain around Moundou has only modest variations in elevation — a maximum elevation change of 22 m around an average of 400 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 145 m; within 80 km, significant variations in elevation — a maximum elevation change of 358 m.

The land around Moundou is covered by artificial surfaces (49%) and cropland (26%) within 3 km, cropland (57%) and grassland (20%) within 16 km, and cropland (56%) and shrubs (20%) within 80 km.

3 km

22 m

artificial surfaces 49%

16 km

145 m

cropland 57%

80 km

358 m

cropland 56%

treesshrubsgrasslandcroplandartificial surfaceswaterwetland

← August Moundou year-round climate October →Best places to visit in September

September weather nearby: Goré 49 km · Benoy 53 km · Bébédja 55 km · Béré 83 km · Doba 86 km · Kelo 87 km · Laï 95 km · Touboro 119 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

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 Moundou (8.5744°, 16.0772°, elevation 402 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).

	Avg high (°C)	Avg low (°C)
1	29	22
2	29	22
3	29	22
4	30	22
5	30	22
6	30	22
7	30	22
8	30	22
9	30	22
10	30	22
11	30	22
12	30	22
13	30	22
14	30	22
15	30	22
16	30	22
17	30	22
18	30	22
19	30	22
20	30	22
21	30	22
22	30	22
23	31	22
24	31	22
25	31	22
26	31	22
27	31	22
28	31	22
29	31	22
30	31	22

	Clearer (%)	Cloudier (%)
1	18	82
2	18	82
3	19	81
4	19	81
5	21	79
6	21	79
7	22	78
8	24	76
9	24	76
10	25	75
11	26	74
12	26	74
13	27	73
14	28	72
15	28	72
16	28	72
17	29	71
18	29	71
19	29	71
20	30	70
21	30	70
22	30	70
23	30	70
24	31	69
25	31	69
26	32	68
27	33	67
28	34	66
29	34	66
30	35	65

	Rain chance (%)
1	81
2	80
3	80
4	79
5	79
6	79
7	78
8	78
9	78
10	77
11	77
12	76
13	76
14	76
15	75
16	75
17	74
18	74
19	73
20	73
21	72
22	71
23	71
24	70
25	69
26	68
27	67
28	66
29	66
30	65

	Muggy (%)	Oppressive (%)
1	3	97
2	3	97
3	3	97
4	3	97
5	3	97
6	3	97
7	3	97
8	3	97
9	4	96
10	4	96
11	4	96
12	4	96
13	3	97
14	3	97
15	3	97
16	3	97
17	3	97
18	3	97
19	3	97
20	3	97
21	3	97
22	3	97
23	3	97
24	3	97
25	3	97
26	3	97
27	3	97
28	3	97
29	3	97
30	4	96

	Avg high (°C)	Avg low (°C)
1	29	22
2	29	22
3	29	22
4	30	22
5	30	22
6	30	22
7	30	22
8	30	22
9	30	22
10	30	22
11	30	22
12	30	22
13	30	22
14	30	22
15	30	22
16	30	22
17	30	22
18	30	22
19	30	22
20	30	22
21	30	22
22	30	22
23	31	22
24	31	22
25	31	22
26	31	22
27	31	22
28	31	22
29	31	22
30	31	22

	Clearer (%)	Cloudier (%)
1	18	82
2	18	82
3	19	81
4	19	81
5	21	79
6	21	79
7	22	78
8	24	76
9	24	76
10	25	75
11	26	74
12	26	74
13	27	73
14	28	72
15	28	72
16	28	72
17	29	71
18	29	71
19	29	71
20	30	70
21	30	70
22	30	70
23	30	70
24	31	69
25	31	69
26	32	68
27	33	67
28	34	66
29	34	66
30	35	65

	Rain chance (%)
1	81
2	80
3	80
4	79
5	79
6	79
7	78
8	78
9	78
10	77
11	77
12	76
13	76
14	76
15	75
16	75
17	74
18	74
19	73
20	73
21	72
22	71
23	71
24	70
25	69
26	68
27	67
28	66
29	66
30	65

	Muggy (%)	Oppressive (%)
1	3	97
2	3	97
3	3	97
4	3	97
5	3	97
6	3	97
7	3	97
8	3	97
9	4	96
10	4	96
11	4	96
12	4	96
13	3	97
14	3	97
15	3	97
16	3	97
17	3	97
18	3	97
19	3	97
20	3	97
21	3	97
22	3	97
23	3	97
24	3	97
25	3	97
26	3	97
27	3	97
28	3	97
29	3	97
30	4	96

	Avg high (°C)	Avg low (°C)
1	29	22
2	29	22
3	29	22
4	30	22
5	30	22
6	30	22
7	30	22
8	30	22
9	30	22
10	30	22
11	30	22
12	30	22
13	30	22
14	30	22
15	30	22
16	30	22
17	30	22
18	30	22
19	30	22
20	30	22
21	30	22
22	30	22
23	31	22
24	31	22
25	31	22
26	31	22
27	31	22
28	31	22
29	31	22
30	31	22

	Clearer (%)	Cloudier (%)
1	18	82
2	18	82
3	19	81
4	19	81
5	21	79
6	21	79
7	22	78
8	24	76
9	24	76
10	25	75
11	26	74
12	26	74
13	27	73
14	28	72
15	28	72
16	28	72
17	29	71
18	29	71
19	29	71
20	30	70
21	30	70
22	30	70
23	30	70
24	31	69
25	31	69
26	32	68
27	33	67
28	34	66
29	34	66
30	35	65

	Rain chance (%)
1	81
2	80
3	80
4	79
5	79
6	79
7	78
8	78
9	78
10	77
11	77
12	76
13	76
14	76
15	75
16	75
17	74
18	74
19	73
20	73
21	72
22	71
23	71
24	70
25	69
26	68
27	67
28	66
29	66
30	65

	Muggy (%)	Oppressive (%)
1	3	97
2	3	97
3	3	97
4	3	97
5	3	97
6	3	97
7	3	97
8	3	97
9	4	96
10	4	96
11	4	96
12	4	96
13	3	97
14	3	97
15	3	97
16	3	97
17	3	97
18	3	97
19	3	97
20	3	97
21	3	97
22	3	97
23	3	97
24	3	97
25	3	97
26	3	97
27	3	97
28	3	97
29	3	97
30	4	96