Farafenni weather in September

In September, Farafenni sees average daytime highs of 32°C and overnight lows near 24°C, with 192 mm of rain across 19.3 wet days and about 12.1 hours of daylight. It is the 11th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 8% of the time in September, and the air most often feels miserable.

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

Daytime high
32°
11th warmest
Overnight low
24°
9th coldest
Rainfall
192 mm
19.3 wet days
Daylight
12 h 06 min
6:54 AM – 6:59 PM
Cloud cover
76%
11th clearest
Wind
7 km/h
11th windiest
Solar energy
4.78 kWh/m²
Travel score
3.0
out of 10

Farafenni is city.

Density
354/km²
people per km²

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 32°C through the month.

A typical September day in Farafenni reaches about 32°C in the afternoon and slips back to 24°C overnight — a 8°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 on par with August and about 2°C cooler than October.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13124
23124
33124
43124
53124
63124
73124
83224
93224
103224
113224
123224
133224
143224
153224
163224
173224
183224
193224
203224
213224
223224
233224
243224
253224
263224
273224
283324
293324
303324

How September really feels in Farafenni

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
23 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.

Farafenni weather by month

How September compares with the rest of the year at a glance. September is the 11th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan33° / 19°10.211.34.6
Feb35° / 20°10.111.53.4
Mar37° / 21°0011.92.2
Apr37° / 22°0012.31.7
May37° / 24°10.312.61.9
Jun36° / 25°284.812.82.5
Jul33° / 25°16017.512.73.0
Aug31° / 24°26424.312.52.8
Sep32° / 24°19219.312.13.0
Oct34° / 24°518.111.73.3
Nov35° / 22°30.711.43.3
Dec33° / 19°20.311.24.3

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 8% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 16% of September, with mostly cloudy or overcast conditions the remaining 76%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11189
21288
31387
41486
51486
61585
71783
81783
91882
101981
112080
122179
132278
142278
152476
162575
172674
182674
192773
202773
212773
222971
233070
243169
253268
263466
273664
283664
293862
303961

Chance of precipitation in September

Any precipitation

Farafenni gets around 192 mm of rain over 19.3 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 64% and peaks near 78% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
178
277
376
475
574
673
773
872
971
1070
1170
1269
1368
1468
1567
1666
1765
1864
1963
2061
2160
2258
2356
2454
2552
2650
2749
2847
2945
3044

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 87% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
11981
21981
31882
41882
51882
61882
71783
81684
91684
101585
111585
121486
131486
141387
151387
161288
171288
181288
191189
201189
211189
221090
231090
241090
251090
261090
271090
281090
291090
301090

Wind in September

Winds average 7 km/h in September.

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
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

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 6:54 AM to 6:55 AM, and sunset from 7:10 PM to 6:49 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:547:10
212.36:547:09
312.26:547:09
412.26:547:08
512.26:547:07
612.26:547:06
712.26:547:06
812.26:547:05
912.26:547:04
1012.26:547:04
1112.16:547:03
1212.16:547:02
1312.16:547:01
1412.16:547:00
1512.16:547:00
1612.16:546:59
1712.16:556:58
1812.06:556:57
1912.06:556:57
2012.06:556:56
2112.06:556:55
2212.06:556:54
2312.06:556:54
2412.06:556:53
2512.06:556:52
2611.96:556:51
2711.96:556:51
2811.96:556:50
2911.96:556:49
3011.96:556:49

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.78 kWh/m².

For context, solar energy here swings from a low near 4.44 kWh/m² to a high of 7.22 kWh/m² in April across the year — September's 4.78 kWh/m² sits near the bottom.

0246151015202530
Solar energy (kWh/m²)Level
14.4Bright
24.5Bright
34.5Bright
44.5Bright
54.5Bright
64.5Bright
74.6Bright
84.6Bright
94.6Bright
104.7Bright
114.7Bright
124.7Bright
134.7Bright
144.8Bright
154.8Bright
164.8Bright
174.8Bright
184.9Bright
194.9Bright
204.9Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.1Bright
265.1Bright
275.1Bright
285.1Bright
295.2Bright
305.2Bright
Planning a trip in September

Hazard calendar for Farafenni

In seasonPeak

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

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

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

Farafenni sees seasonal dust haze (February–August), 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 Farafenni?

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

3.0
Sightseeing
6th-best month of the year
4.9
Beach & pool
11th-best month of the year

September is a weaker month for outdoor sightseeing in Farafenni.

What to pack for Farafenni in September

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

In September, Farafenni sees daytime highs around 32°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 19 days see rain.

light clothesrain gearsun protection

UV index in Farafenni 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 Farafenni peaks around March 18 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 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 highMar 18UV 13Dec 17UV 7
UV index (midday)Level
Jan8Very high
Feb11Extreme
Mar13Extreme
Apr12Extreme
May11Extreme
Jun11Extreme
Jul12Extreme
Aug13Extreme
Sep12Extreme
Oct10Extreme
Nov8Very high
Dec7Very high

Air quality in Farafenni 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 Farafenni is worst in February — around 99 µg/m³ PM2.5 (unhealthy), about 4.4× the cleanest month (August, 23 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorUnhealthyFeb 1697 µg/m³Aug 1924 µg/m³
PM2.5 (µg/m³)Level
Jan77Unhealthy
Feb99Unhealthy
Mar83Unhealthy
Apr65Unhealthy
May56Unhealthy
Jun58Unhealthy
Jul34Moderate
Aug23Moderate
Sep28Moderate
Oct47Poor
Nov55Poor
Dec71Unhealthy
Location & terrain

Where is Farafenni?

Farafenni sits at 13.6°N, 15.6°W, 15 m above sea level, in Gambia. The nearest listed city is Soma, 16 km away.

Nioro du RipNema KunkuLamin

Topography around Farafenni

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

Within 3 km, the terrain around Farafenni has only modest variations in elevation — a maximum elevation change of 43 m around an average of 15 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 53 m; within 80 km, only modest variations in elevation — a maximum elevation change of 60 m.

The land around Farafenni is covered by cropland (51%) within 3 km, cropland (47%) within 16 km, and cropland (47%) and shrubs (20%) within 80 km.

3 km
43 m
16 km
53 m
80 km
60 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetlandmangroves
September weather nearby: Soma 16 km · Nioro du Rip 30 km · Nema Kunku 47 km · Kaffrine 60 km · Kahone 81 km · Kaolack 83 km · Guinguinéo 87 km · Lamin 93 km

Gambia travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type G
230 V · 50 Hz
Prices
≈ 25% of US
price level, 2025
GDP per capita
$919
2025
Happiness
4.3 / 10
World Happiness, 2025
Safe drinking water
48%
of population, 2024
Road deaths
29.6
per 100k/yr, 2019
Income group
Low
World Bank
Religion
Muslim 96%Christian 4%other or none 0%

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 Farafenni (13.5667°, -15.6°, elevation 15 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).