Goudomp weather in September

In September, Goudomp sees average daytime highs of 31°C and overnight lows near 24°C, with 276 mm of rain across 24.9 wet days and about 12.1 hours of daylight. It is the 10th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 4% of the time in September, and the air most often feels miserable.

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 Goudomp's 10th-clearest and 11th-windiest month. For the whole year in context, see Goudomp's year-round climate.

Daytime high
31°
10th warmest
Overnight low
24°
8th coldest
Rainfall
276 mm
24.9 wet days
Daylight
12 h 06 min
6:56 AM – 7:00 PM
Cloud cover
80%
10th clearest
Wind
7 km/h
11th windiest
Solar energy
4.32 kWh/m²
Travel score
2.7
out of 10

Goudomp is town in Sédhiou Region, Senegal.

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 31°C through the month.

A typical September day in Goudomp reaches about 31°C in the afternoon and slips back to 24°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 33°C. Set against its neighbours, September runs about 1°C warmer than August and about 1°C cooler than October.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13124
23124
33124
43124
53124
63124
73124
83124
93124
103124
113124
123124
133124
143124
153124
163124
173124
183124
193124
203124
213224
223224
233224
243224
253224
263224
273224
283224
293224
303224

How September really feels in Goudomp

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
10 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.

Goudomp weather by month

How September compares with the rest of the year at a glance. September is the 10th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan33° / 19°00.111.34.3
Feb35° / 20°10.111.63.0
Mar37° / 22°0011.91.9
Apr38° / 23°0012.31.6
May37° / 24°30.712.61.8
Jun35° / 25°588.412.72.6
Jul31° / 25°26323.112.72.9
Aug30° / 24°37327.612.42.8
Sep31° / 24°27624.912.12.7
Oct33° / 24°10015.811.73.2
Nov34° / 22°11211.43.9
Dec33° / 19°20.311.34.4

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 4% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 14% of September, with mostly cloudy or overcast conditions the remaining 82%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1793
2793
3892
4991
51090
61090
71189
81288
91387
101387
111486
121585
131585
141783
151783
161882
171882
181981
191981
202080
212179
222278
232278
242476
252476
262674
272872
282872
293070
303169

Chance of precipitation in September

Any precipitation

Goudomp gets around 276 mm of rain over 24.9 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 83% and peaks near 89% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202530
Rain chance (%)
189
289
389
488
588
687
787
887
986
1086
1186
1285
1385
1484
1584
1684
1783
1883
1982
2082
2181
2280
2379
2478
2577
2676
2775
2874
2973
3072

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the miserable band about 82% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
12476
22476
32476
42377
52377
62377
72278
82278
92179
102179
112080
121981
131981
141882
151882
161783
171783
181684
191684
201585
211585
221486
231486
241387
251288
261288
271288
281189
291189
301189

Wind in September

Winds average 7 km/h in September.

Across September, daily wind ranges from about 6 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
38calm
48calm
58calm
68calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
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 6:56 AM to 6:56 AM, and sunset from 7:11 PM to 6:50 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:567:11
212.26:567:10
312.26:567:09
412.26:567:09
512.26:567:08
612.26:567:07
712.26:567:06
812.26:567:06
912.26:567:05
1012.16:567:04
1112.16:567:04
1212.16:567:03
1312.16:567:02
1412.16:567:01
1512.16:567:01
1612.16:567:00
1712.16:566:59
1812.06:566:58
1912.06:566:58
2012.06:566:57
2112.06:566:56
2212.06:566:56
2312.06:566:55
2412.06:566:54
2512.06:566:53
2611.96:566:53
2711.96:566:52
2811.96:566:51
2911.96:566:51
3011.96:566:50

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.32 kWh/m².

For context, solar energy here swings from a low near 4.04 kWh/m² to a high of 7.11 kWh/m² in April across the year — September's 4.32 kWh/m² sits near the bottom.

024151015202530
Solar energy (kWh/m²)Level
14.0Bright
24.0Bright
34.1Bright
44.1Bright
54.1Bright
64.1Bright
74.1Bright
84.2Bright
94.2Bright
104.2Bright
114.2Bright
124.3Bright
134.3Bright
144.3Bright
154.3Bright
164.4Bright
174.4Bright
184.4Bright
194.4Bright
204.5Bright
214.5Bright
224.5Bright
234.5Bright
244.5Bright
254.6Bright
264.6Bright
274.6Bright
284.6Bright
294.7Bright
304.7Bright
Planning a trip in September

Hazard calendar for Goudomp

In seasonPeak

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

Goudomp sits in the Atlantic hurricane belt; the season peaks August–October.

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

Goudomp sees seasonal dust haze (February–July), heaviest in June.

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

Is September a good time to visit Goudomp?

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

2.7
Sightseeing
8th-best month of the year
4.1
Beach & pool
11th-best month of the year

September is a weaker month for outdoor sightseeing in Goudomp.

What to pack for Goudomp in September

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

In September, Goudomp sees daytime highs around 31°C and nights near 24°C. Pack light clothes and rain gear. About 25 days see rain.

light clothesrain gear

UV index in Goudomp 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 Goudomp peaks around August 18 at about 13 (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 18UV 13Dec 19UV 7
UV index (midday)Level
Jan8Very high
Feb11Extreme
Mar13Extreme
Apr11Extreme
May11Extreme
Jun12Extreme
Jul12Extreme
Aug13Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec7High

Air quality in Goudomp 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 Goudomp is worst in February — around 108 µg/m³ PM2.5 (unhealthy), about 5.9× the cleanest month (August, 18 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorUnhealthyFeb 18105 µg/m³Aug 2119 µg/m³
PM2.5 (µg/m³)Level
Jan71Unhealthy
Feb108Unhealthy
Mar89Unhealthy
Apr61Unhealthy
May52Poor
Jun52Poor
Jul28Moderate
Aug18Moderate
Sep21Moderate
Oct39Poor
Nov47Poor
Dec61Unhealthy
Location & terrain

Where is Goudomp?

Goudomp sits at 12.6°N, 15.9°W, 6 m above sea level, in Senegal. The nearest listed city is Sédhiou, 37 km away.

ZiguinchorBignonaNema Kunku

Topography around Goudomp

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

Within 3 km, the terrain around Goudomp has only modest variations in elevation — a maximum elevation change of 34 m around an average of 7 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 49 m; within 80 km, only modest variations in elevation — a maximum elevation change of 63 m.

The land around Goudomp is covered by water (51%) and trees (21%) within 3 km, trees (48%) and shrubs (21%) within 16 km, and trees (48%) and shrubs (20%) within 80 km.

3 km
34 m
16 km
49 m
80 km
63 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetlandmangroves
September weather nearby: Sédhiou 37 km · Ziguinchor 44 km · Bignona 46 km · Nema Kunku 75 km · Reino de Antula 82 km · Plaque 82 km · Santa-Luzia 83 km · Bairro Militar 83 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 Goudomp (12.5778°, -15.8722°, elevation 6 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). 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).