Assa weather in September

In September, Assa sees average daytime highs of 35°C and overnight lows near 20°C, with 3 mm of rain across 0.5 wet days and about 12.2 hours of daylight. It is the 3rd-warmest and 7th-wettest month of the year here.

Highs ease over the month, from about 38°C in the first days to 33°C by the end. The sky is clear or mostly clear about 79% of the time in September, and the air most often feels dry.

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 Assa's 5th-clearest and 6th-windiest month. For the whole year in context, see Assa's year-round climate.

Daytime high
35°
3rd warmest
Overnight low
20°
10th coldest
Rainfall
3 mm
0.5 wet days
Daylight
12 h 12 min
6:27 AM – 6:37 PM
Cloud cover
21%
5th clearest
Wind
15 km/h
6th windiest
Solar energy
6.5 kWh/m²
Travel score
3.3
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 38°C in the first days to 33°C by the end.

A typical September day in Assa reaches about 35°C in the afternoon and slips back to 20°C overnight — a 15°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 40°C. Set against its neighbours, September runs about 4°C cooler than August and about 5°C warmer than October.

20°30°40°151015202530
Avg high (°C)Avg low (°C)
13822
23821
33821
43721
53721
63721
73721
83721
93620
103620
113620
123620
133520
143520
153520
163520
173520
183420
193419
203419
213419
223419
233419
243319
253319
263319
273319
283319
293319
303319

How September really feels in Assa

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
heat index over the day's high
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.

Assa 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° / 41.110.48.4
Feb23° / 11°81.4118.9
Mar26° / 13°50.911.88.7
Apr29° / 14°20.212.77.6
May31° / 16°10.313.45.8
Jun35° / 19°10.413.83.6
Jul40° / 22°10.313.60.4
Aug40° / 23°30.8130.3
Sep35° / 20°30.512.23.3
Oct31° / 17°80.911.36.1
Nov26° / 14°40.810.68.7
Dec22° / 10°61.110.28.5

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 79% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 7% of September, with mostly cloudy or overcast conditions the remaining 14%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1919
29010
39010
49010
58911
68911
78911
88713
98713
108614
118614
128614
138515
148416
158416
168416
178416
188416
198515
208515
218515
228515
238614
248614
258614
268614
278614
288614
298614
308515

Chance of precipitation in September

Any precipitation

Assa gets around 3 mm of rain over 0.5 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 2% and peaks near 2% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
12
22
32
42
52
62
72
82
92
102
112
122
132
142
152
162
172
182
192
202
212
222
232
242
252
262
272
282
292
302

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the dry band about 49% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1454780
2454680
3464580
4464590
5464590
6474490
7474480
8474480
9484480
10484480
11474580
12474571
13474571
14474671
15464671
16464671
17474661
18474661
19484561
20484551
21494551
22494451
23504451
24514351
25524251
26534151
27544051
28554041
29563941
30573841

Wind in September

Winds average 15 km/h in September.

Across September, daily wind ranges from about 14 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light 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 6:19 AM to 6:34 AM, and sunset from 6:55 PM to 6:20 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.66:196:55
212.66:206:54
312.56:206:53
412.56:216:52
512.56:216:51
612.56:226:49
712.46:226:48
812.46:236:47
912.46:236:46
1012.36:246:45
1112.36:246:43
1212.36:256:42
1312.36:256:41
1412.26:266:40
1512.26:266:38
1612.26:276:37
1712.16:276:36
1812.16:286:35
1912.16:296:33
2012.16:296:32
2112.06:306:31
2212.06:306:30
2312.06:316:28
2411.96:316:27
2511.96:326:26
2611.96:326:25
2711.86:336:23
2811.86:336:22
2911.86:346:21
3011.86:346:20

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.5 kWh/m².

For context, solar energy here swings from a low near 3.73 kWh/m² to a high of 8.1 kWh/m² in June across the year — September's 6.5 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
17.0Intense
26.9Intense
36.9Intense
46.9Intense
56.8Intense
66.8Intense
76.8Intense
86.8Intense
96.7Intense
106.7Intense
116.7Intense
126.6Intense
136.6Intense
146.5Intense
156.5Intense
166.5Intense
176.4Intense
186.4Intense
196.4Intense
206.3Intense
216.3Intense
226.3Intense
236.2Intense
246.2Intense
256.2Intense
266.1Intense
276.1Intense
286.0Intense
296.0Intense
306.0Bright
Planning a trip in September

Hazard calendar for Assa

In seasonPeak

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

Assa 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 Assa?

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

3.3
Sightseeing
10th-best month of the year
6.8
Beach & pool
7th-best month of the year

September is a weaker month for outdoor sightseeing in Assa. The water and warmth also suit a beach or pool day.

What to pack for Assa in September

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

In September, Assa sees daytime highs around 35°C and nights near 20°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Assa in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Assa peaks around June 18 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 18UV 11Dec 16UV 4
UV index (midday)Level
Jan5Moderate
Feb6High
Mar9Very high
Apr9Very high
May9Very high
Jun11Extreme
Jul10Very high
Aug11Extreme
Sep9Very high
Oct8Very high
Nov5Moderate
Dec4Moderate

Air quality in Assa 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 Assa is worst in February — around 24 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (May, 11 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateFeb 1423 µg/m³May 2311 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb24Moderate
Mar15Moderate
Apr13Moderate
May11Good
Jun11Good
Jul19Moderate
Aug20Moderate
Sep16Moderate
Oct16Moderate
Nov11Good
Dec17Moderate
Location & terrain

Where is Assa?

Assa sits at 28.6°N, 9.4°W, 318 m above sea level, in Morocco. The nearest listed city is Bou Izakarn, 69 km away.

Sidi IfniTiznitTindoufTan-TanTine BiougraBen Jerrar

Topography around Assa

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

Within 3 km, the terrain around Assa has only modest variations in elevation — a maximum elevation change of 210 m around an average of 326 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 798 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,250 m.

The land around Assa is covered by bare terrain (93%) within 3 km, bare terrain (100%) within 16 km, and bare terrain (95%) within 80 km.

3 km
210 m
16 km
798 m
80 km
1,250 m
treesgrasslandartificial surfacesbare terrain
September weather nearby: Bou Izakarn 69 km · Guelmim 74 km · Sidi Ifni 112 km · Tiznit 124 km · Tindouf 163 km · Tan-Tan 165 km · Tine Biougra 178 km · Ben Jerrar 184 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 Assa (28.6099°, -9.4299°, elevation 318 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).