Thiadiaye weather in September

In September, Thiadiaye sees average daytime highs of 32°C and overnight lows near 25°C, with 126 mm of rain across 15.5 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 17% 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 Thiadiaye's 11th-clearest and 12th-windiest month. For the whole year in context, see Thiadiaye's year-round climate.

Daytime high
32°
11th warmest
Overnight low
25°
11th coldest
Rainfall
126 mm
15.5 wet days
Daylight
12 h 06 min
6:59 AM – 7:04 PM
Cloud cover
68%
11th clearest
Wind
8 km/h
12th windiest
Solar energy
5.37 kWh/m²
Travel score
3.5
out of 10

Thiadiaye is commune of Senegal.

Density
3,273/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 Thiadiaye reaches about 32°C in the afternoon and slips back to 25°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 33°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)
13125
23125
33125
43125
53125
63125
73125
83125
93125
103125
113125
123125
133225
143225
153225
163225
173225
183225
193225
203225
213225
223225
233225
243225
253225
263225
273225
283225
293225
303325

How September really feels in Thiadiaye

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.

Thiadiaye 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° / 18°20.211.24.6
Feb34° / 19°10.111.53.7
Mar36° / 19°00.111.92.8
Apr36° / 20°0012.32.6
May35° / 21°0012.73.1
Jun34° / 23°40.912.84.0
Jul32° / 25°598.412.83.9
Aug31° / 25°16216.812.53.5
Sep32° / 25°12615.512.13.5
Oct34° / 24°365.211.73.4
Nov35° / 21°10.311.33.0
Dec33° / 19°20.311.24.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 17% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 22% of September, with mostly cloudy or overcast conditions the remaining 62%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12377
22476
32575
42575
52674
62872
72971
83169
93169
103466
113466
123565
133763
143862
153862
164060
174159
184159
194258
204357
214456
224555
234654
244753
254852
265050
275149
285248
295446
305545

Chance of precipitation in September

Any precipitation

Thiadiaye gets around 126 mm of rain over 15.5 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 61% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
161
261
360
460
559
658
758
857
956
1056
1155
1255
1355
1454
1553
1653
1752
1851
1950
2049
2148
2247
2345
2444
2542
2640
2739
2837
2935
3034

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 88% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)Miserable (%)
101288
201288
301189
401189
501189
601189
701189
801189
901189
1001189
1101090
1201090
1301090
1401090
1501090
1601090
1701189
1801189
1901189
2001189
2101189
2201189
2301189
2401288
2501288
2601387
2701486
2801486
2901585
3011683

Wind in September

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

Across September, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
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 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 6:58 AM to 7:00 AM, and sunset from 7:15 PM to 6:53 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:587:15
212.36:587:14
312.36:587:14
412.26:587:13
512.26:587:12
612.26:587:11
712.26:587:11
812.26:587:10
912.26:587:09
1012.26:597:08
1112.16:597:07
1212.16:597:07
1312.16:597:06
1412.16:597:05
1512.16:597:04
1612.16:597:04
1712.16:597:03
1812.16:597:02
1912.06:597:01
2012.06:597:00
2112.06:597:00
2212.06:596:59
2312.06:596:58
2412.06:596:57
2512.06:596:56
2611.96:596:56
2711.96:596:55
2811.96:596:54
2911.96:596:53
3011.97:006:53

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.37 kWh/m².

For context, solar energy here swings from a low near 5.16 kWh/m² to a high of 7.32 kWh/m² in April across the year — September's 5.37 kWh/m² sits near the bottom.

0246151015202530
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.1Bright
55.1Bright
65.1Bright
75.1Bright
85.2Bright
95.2Bright
105.2Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.4Bright
165.4Bright
175.4Bright
185.4Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.6Bright
245.6Bright
255.6Bright
265.7Bright
275.7Bright
285.7Bright
295.8Bright
305.8Bright
Planning a trip in September

Hazard calendar for Thiadiaye

In seasonPeak

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

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

Thiadiaye sees seasonal dust haze (January–October), heaviest in June.

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

Is September a good time to visit Thiadiaye?

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

3.5
Sightseeing
6th-best month of the year
5.6
Beach & pool
11th-best month of the year

September is a weaker month for outdoor sightseeing in Thiadiaye.

What to pack for Thiadiaye in September

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

In September, Thiadiaye sees daytime highs around 32°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 16 days see rain.

light clothesrain gearsun protection

Sea temperature near Thiadiaye in September

The nearest coast averages about 29°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 38 km away) is warmest in October at about 29°C and coldest in March near 19°C.

It's comfortable for a long swim from Apr 16 to Feb 5 — about 9.7 months when the water holds above 20°C.

20°25°30°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan21Refreshing
Feb20Cool
Mar19Cool
Apr20Cool
May22Refreshing
Jun26Warm
Jul28Warm
Aug28Tropical
Sep29Tropical
Oct29Tropical
Nov27Warm
Dec24Refreshing

UV index in Thiadiaye 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 Thiadiaye 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 (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
Jun10Extreme
Jul11Extreme
Aug12Extreme
Sep12Extreme
Oct10Very high
Nov8Very high
Dec7High

Air quality in Thiadiaye 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 Thiadiaye is worst in February — around 105 µg/m³ PM2.5 (unhealthy), about 3.2× the cleanest month (August, 33 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorPoorUnhealthyFeb 10104 µg/m³Aug 1834 µg/m³
PM2.5 (µg/m³)Level
Jan100Unhealthy
Feb105Unhealthy
Mar84Unhealthy
Apr66Unhealthy
May60Unhealthy
Jun71Unhealthy
Jul46Poor
Aug33Moderate
Sep41Poor
Oct66Unhealthy
Nov76Unhealthy
Dec96Unhealthy
Location & terrain

Where is Thiadiaye?

Thiadiaye sits at 14.4°N, 16.7°W, 28 m above sea level, in Senegal. The nearest listed city is Mbour, 28 km away.

KhomboleKbombole

Topography around Thiadiaye

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

Within 3 km, the terrain around Thiadiaye has only modest variations in elevation — a maximum elevation change of 25 m around an average of 14 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 36 m; within 80 km, only modest variations in elevation — a maximum elevation change of 143 m.

The land around Thiadiaye is covered by cropland (60%) and grassland (29%) within 3 km, cropland (76%) and grassland (20%) within 16 km, and cropland (42%) and water (27%) within 80 km.

3 km
25 m
16 km
36 m
80 km
143 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetlandmangroves
September weather nearby: Mbour 28 km · Joal 32 km · Poukham Un 32 km · Fatick 34 km · Nguékhokh 34 km · Sali 34 km · Khombole 38 km · Kbombole 39 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 Thiadiaye (14.4204°, -16.7026°, elevation 28 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). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).