Tan-Tan weather in September

In September, Tan-Tan sees average daytime highs of 28°C and overnight lows near 19°C, with 5 mm of rain across 0.8 wet days and about 12.2 hours of daylight. It is the 3rd-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 64% of the time in September, and the air most often feels humid.

Daylight stretches from about 12 h 36 min at the start of September to 11 h 48 min by month's end. Set against the rest of the year, September is Tan-Tan's 4th-clearest and 6th-windiest month. For the whole year in context, see Tan-Tan's year-round climate.

Daytime high
28°
3rd warmest
Overnight low
19°
11th coldest
Rainfall
5 mm
0.8 wet days
Daylight
12 h 12 min
6:34 AM – 6:44 PM
Cloud cover
34%
4th clearest
Wind
17 km/h
6th windiest
Solar energy
5.94 kWh/m²
Travel score
7.8
out of 10

Tan-Tan is city in Morocco.

Density
3,123/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 28°C through the month.

A typical September day in Tan-Tan reaches about 28°C in the afternoon and slips back to 19°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 32°C. Set against its neighbours, September runs about 1°C cooler than August and on par with October.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12920
22920
32919
42919
52919
62919
72919
82819
92819
102819
112819
122819
132819
142819
152819
162819
172819
182819
192819
202819
212819
222819
232819
242819
252819
262819
272819
282819
292819
302819

Tan-Tan weather by month

How September compares with the rest of the year at a glance. September is the 3rd-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan21° / 11°92.110.48.1
Feb22° / 12°142.2118.3
Mar24° / 14°102.211.88.7
Apr24° / 15°4112.78.8
May25° / 16°20.413.48.8
Jun26° / 18°10.313.88.7
Jul28° / 19°10.113.68.0
Aug29° / 20°20.3137.1
Sep28° / 19°50.812.27.8
Oct27° / 18°91.311.38.1
Nov25° / 15°101.910.68.5
Dec22° / 12°122.610.28.3

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 64% 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 21%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18515
28515
38515
48416
58416
68416
78317
88218
98218
108119
118020
128020
137921
147921
157723
167723
177723
187723
197723
207624
217723
227723
237723
247723
257723
267723
277723
287723
297723
307723

Chance of precipitation in September

Any precipitation

Tan-Tan gets around 5 mm of rain over 0.8 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 2% and peaks near 4% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
11
21
31
41
51
61
71
81
91
101
112
122
132
142
153
163
173
183
193
204
214
224
234
244
254
264
274
283
293
303

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the humid band about 67% of days. Sticky, muggy-or-worse air turns up on roughly 20% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1156529
2156529
3156628
4156628
5166627
6166726
7166825
8176824
9176824
10186823
11196822
12196822
131106821
141116820
151116820
161126819
171126918
181136818
191146817
201146916
211156816
222156716
232166715
242166715
252176615
263176515
273186415
283196315
294196314
304206214

Wind in September

Winds average 17 km/h in September.

Across September, daily wind ranges from about 16 km/h on the calmest days to 18 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202530
Wind speed (km/h)Feels
118light breeze
218light breeze
318light breeze
418light breeze
518light breeze
618light breeze
718light breeze
818light breeze
918light breeze
1018light breeze
1118light breeze
1218light breeze
1318light breeze
1417light breeze
1517light breeze
1617light breeze
1717light breeze
1817light breeze
1917light breeze
2017light breeze
2117light breeze
2217light breeze
2317light breeze
2416light breeze
2516light breeze
2616light breeze
2716light breeze
2816light breeze
2916light breeze
3016light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 36 min at the start of September to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 48 minutes over September. Sunrise moves from 6:26 AM to 6:41 AM, and sunset from 7:02 PM to 6:27 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.66:267:02
212.66:277:01
312.56:277:00
412.56:286:58
512.56:286:57
612.56:296:56
712.46:296:55
812.46:306:54
912.46:306:52
1012.36:316:51
1112.36:316:50
1212.36:326:49
1312.36:326:47
1412.26:336:46
1512.26:336:45
1612.26:346:44
1712.16:346:43
1812.16:356:41
1912.16:356:40
2012.16:366:39
2112.06:366:38
2212.06:376:36
2312.06:376:35
2411.96:386:34
2511.96:386:33
2611.96:396:31
2711.86:396:30
2811.86:406:29
2911.86:406:28
3011.86:416:27

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.94 kWh/m².

For context, solar energy here swings from a low near 3.55 kWh/m² to a high of 7.17 kWh/m² in June across the year — September's 5.94 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.4Intense
26.4Intense
36.3Intense
46.3Intense
56.3Intense
66.3Intense
76.2Intense
86.2Intense
96.2Intense
106.1Intense
116.1Intense
126.0Intense
136.0Intense
146.0Bright
156.0Bright
165.9Bright
175.9Bright
185.8Bright
195.8Bright
205.8Bright
215.7Bright
225.7Bright
235.7Bright
245.6Bright
255.6Bright
265.6Bright
275.5Bright
285.5Bright
295.5Bright
305.5Bright
Planning a trip in September

Hazard calendar for Tan-Tan

In seasonPeak

None of Tan-Tan's seasonal hazards are active in September. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Tan-Tan sees seasonal dust haze (July–August), heaviest in July.

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

Is September a good time to visit Tan-Tan?

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

7.8
Sightseeing
11th-best month of the year
8.7
Beach & pool
3rd-best month of the year

September is one of the better times to visit Tan-Tan for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Tan-Tan in September

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

In September, Tan-Tan sees daytime highs around 28°C and nights near 19°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

Sea temperature near Tan-Tan in September

The nearest coast averages about 21°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 21 km away) is warmest in September at about 21°C and coldest in February near 17°C.

It's comfortable for a long swim from Jul 30 to Oct 25 — about 2.9 months when the water holds above 20°C.

16°18°20°22°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingcomfortable to swim
Sea temperature (°C)Comfort
Jan18Cool
Feb17Cool
Mar17Cool
Apr18Cool
May18Cool
Jun19Cool
Jul20Cool
Aug20Refreshing
Sep21Refreshing
Oct20Refreshing
Nov19Cool
Dec18Cool

UV index in Tan-Tan in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Tan-Tan peaks around June 21 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highModerateJun 21UV 11Dec 16UV 4
UV index (midday)Level
Jan5Moderate
Feb6High
Mar9Very high
Apr8Very high
May9Very high
Jun11Extreme
Jul11Extreme
Aug11Extreme
Sep8Very high
Oct8Very high
Nov5Moderate
Dec4Moderate

Air quality in Tan-Tan 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 Tan-Tan is worst in February — around 21 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (June, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateGoodGoodModerateFeb 1321 µg/m³Jun 119 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb21Moderate
Mar13Moderate
Apr11Good
May9Good
Jun9Good
Jul12Good
Aug14Moderate
Sep11Good
Oct13Moderate
Nov10Good
Dec17Moderate
Location & terrain

Where is Tan-Tan?

Tan-Tan sits at 28.4°N, 11.1°W, 45 m above sea level, in Morocco. The nearest listed city is Guelmim, 119 km away.

GuelmimSidi IfniBou IzakarnAssaTiznitSmaraArrecifeTeguise

Topography around Tan-Tan

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

Within 3 km, the terrain around Tan-Tan has only modest variations in elevation — a maximum elevation change of 79 m around an average of 53 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 295 m; within 80 km, large variations in elevation — a maximum elevation change of 952 m.

The land around Tan-Tan is covered by bare terrain (78%) within 3 km, bare terrain (96%) within 16 km, and bare terrain (68%) and water (26%) within 80 km.

3 km
79 m
16 km
295 m
80 km
952 m
shrubsgrasslandartificial surfacesbare terrainwater
September weather nearby: Guelmim 119 km · Sidi Ifni 138 km · Bou Izakarn 159 km · Assa 165 km · Tiznit 193 km · Smara 197 km · Arrecife 245 km · Teguise 250 km

Morocco travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / E
220 V · 50 Hz
Prices
≈ 42% of US
price level, 2025
GDP per capita
$4,672
2025
Happiness
4.6 / 10
World Happiness, 2025
Safe drinking water
80%
of population, 2024
Homicide rate
1.7
per 100k, 2023
Road deaths
17
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
Low
EF EPI 492
Religion
Muslim 99%other 1%

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 Tan-Tan (28.438°, -11.1032°, elevation 45 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. 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).