Matam weather in September

In September, Matam sees average daytime highs of 36°C and overnight lows near 27°C, with 64 mm of rain across 7.7 wet days and about 12.1 hours of daylight. It is the 8th-warmest and 2nd-wettest month of the year here.

Highs climb over the month, from about 34°C in the first days to 37°C by the end. The sky is clear or mostly clear about 37% of the time in September, and the air most often feels oppressive.

Daylight stretches from about 12 h 18 min at the start of September to 11 h 54 min by month's end. Set against the rest of the year, September is Matam's 11th-clearest and 11th-windiest month. For the whole year in context, see Matam's year-round climate.

Daytime high
36°
8th warmest
Overnight low
27°
7th coldest
Rainfall
64 mm
7.7 wet days
Daylight
12 h 06 min
6:45 AM – 6:50 PM
Cloud cover
55%
11th clearest
Wind
13 km/h
11th windiest
Solar energy
6.11 kWh/m²
Travel score
2.3
out of 10

Matam is city and regional capital in Senegal.

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 34°C in the first days to 37°C by the end.

A typical September day in Matam reaches about 36°C in the afternoon and slips back to 27°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 32°C and 39°C. Set against its neighbours, September runs about 1°C warmer than August and about 3°C cooler than October.

20°25°30°35°40°45°151015202530
Avg high (°C)Avg low (°C)
13426
23426
33426
43426
53526
63526
73526
83526
93526
103526
113526
123526
133526
143527
153627
163627
173627
183627
193627
203627
213627
223627
233727
243727
253727
263727
273727
283727
293727
303727

How September really feels in Matam

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
30 feel dangerously hot (≥ 39°C)
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.

Matam weather by month

How September compares with the rest of the year at a glance. September is the 8th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan33° / 19°10.111.24.7
Feb35° / 21°10.111.53.2
Mar38° / 24°0011.91.2
Apr41° / 27°0012.30.0
May42° / 29°00.112.70.0
Jun41° / 29°101.712.90.1
Jul37° / 27°425.912.81.7
Aug35° / 27°9010.212.52.6
Sep36° / 27°647.712.12.3
Oct38° / 27°132.511.61.0
Nov37° / 24°0011.31.9
Dec34° / 20°20.211.13.9

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 37% 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 46%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14357
24555
34555
44753
54852
64951
75050
85149
95248
105248
115347
125347
135446
145446
155446
165545
175545
185644
195644
205743
215743
225743
235842
245941
256040
266040
276238
286337
296337
306436

Chance of precipitation in September

Any precipitation

Matam gets around 64 mm of rain over 7.7 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 26% and peaks near 36% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
136
235
334
433
532
631
730
829
928
1028
1127
1227
1326
1426
1526
1625
1725
1824
1924
2024
2123
2223
2322
2421
2520
2619
2718
2817
2917
3016

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 51% of days. Sticky, muggy-or-worse air turns up on roughly 97% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
100024157
200024157
300024157
400024157
500024256
600024355
700024454
800034552
900034651
1000034749
1100044947
1200045145
1300055144
1400155242
1500165340
1600175438
1700175636
1800185734
1900295732
20012105730
21012115729
22013125727
23013135726
24014145724
25114155722
26125175421
27126185419
28127195318
29128205316
30228215215

Wind in September

Winds average 13 km/h in September.

Across September, daily wind ranges from about 13 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 18 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 24 minutes over September. Sunrise moves from 6:43 AM to 6:46 AM, and sunset from 7:02 PM to 6:39 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:437:02
212.36:447:01
312.36:447:00
412.36:447:00
512.36:446:59
612.26:446:58
712.26:446:57
812.26:446:56
912.26:446:56
1012.26:446:55
1112.26:446:54
1212.16:446:53
1312.16:456:52
1412.16:456:52
1512.16:456:51
1612.16:456:50
1712.16:456:49
1812.16:456:48
1912.06:456:47
2012.06:456:47
2112.06:456:46
2212.06:456:45
2312.06:456:44
2412.06:456:43
2512.06:466:43
2611.96:466:42
2711.96:466:41
2811.96:466:40
2911.96:466:39
3011.96:466:39

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.11 kWh/m².

For context, solar energy here swings from a low near 5.11 kWh/m² to a high of 7.38 kWh/m² in April across the year — September's 6.11 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.9Bright
55.9Bright
65.9Bright
76.0Bright
86.0Bright
96.0Intense
106.0Intense
116.0Intense
126.1Intense
136.1Intense
146.1Intense
156.1Intense
166.2Intense
176.2Intense
186.2Intense
196.2Intense
206.2Intense
216.2Intense
226.2Intense
236.3Intense
246.3Intense
256.3Intense
266.3Intense
276.3Intense
286.3Intense
296.3Intense
306.3Intense
Planning a trip in September

Hazard calendar for Matam

In seasonPeak

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

Matam sees dust haze year-round, heaviest in June.

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

Is September a good time to visit Matam?

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

2.3
Sightseeing
5th-best month of the year
5.2
Beach & pool
6th-best month of the year

September is a weaker month for outdoor sightseeing in Matam.

What to pack for Matam in September

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

In September, Matam sees daytime highs around 36°C and nights near 27°C. Pack light clothes and sun protection. About 8 days see rain.

light clothessun protection

UV index in Matam 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 Matam peaks around August 20 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 7 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highAug 20UV 12Dec 19UV 7
UV index (midday)Level
Jan8Very high
Feb11Extreme
Mar12Extreme
Apr11Extreme
May10Extreme
Jun10Very high
Jul11Extreme
Aug12Extreme
Sep12Extreme
Oct9Very high
Nov8Very high
Dec7High

Air quality in Matam 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 Matam is worst in February — around 105 µg/m³ PM2.5 (unhealthy), about 4.7× the cleanest month (August, 22 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyModeratePoorUnhealthyFeb 11104 µg/m³Aug 2023 µg/m³
PM2.5 (µg/m³)Level
Jan99Unhealthy
Feb105Unhealthy
Mar82Unhealthy
Apr78Unhealthy
May83Unhealthy
Jun75Unhealthy
Jul37Poor
Aug22Moderate
Sep28Moderate
Oct45Poor
Nov49Poor
Dec89Unhealthy
Location & terrain

Where is Matam?

Matam sits at 15.7°N, 13.3°W, 22 m above sea level, in Senegal. The nearest listed city is Ouro Sogui, 9.0 km away.

ThilogneKaédiElghabraSélibabyBogué

Topography around Matam

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

Within 3 km, the terrain around Matam has only modest variations in elevation — a maximum elevation change of 13 m around an average of 14 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 65 m; within 80 km, only modest variations in elevation — a maximum elevation change of 124 m.

The land around Matam is covered by grassland (44%) within 3 km, grassland (64%) within 16 km, and grassland (64%) and shrubs (23%) within 80 km.

3 km
13 m
16 km
65 m
80 km
124 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
September weather nearby: Ouro Sogui 9.0 km · Kanel 20 km · Thilogne 52 km · Kaédi 61 km · Elghabra 127 km · Sélibaby 127 km · Bogué 150 km · Aleg 170 km

Senegal travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / D / E / K
230 V · 50 Hz
Prices
≈ 36% of US
price level, 2025
GDP per capita
$1,955
2025
Happiness
4.8 / 10
World Happiness, 2025
Safe drinking water
27%
of population, 2024
Homicide rate
0.3
per 100k, 2015
Road deaths
23.5
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
Very low
EF EPI 442
Religion
Muslim 97%Christian 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 Matam (15.6559°, -13.2554°, elevation 22 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).