Boutilimitt weather in September

In September, Boutilimitt sees average daytime highs of 37°C and overnight lows near 27°C, with 30 mm of rain across 4.4 wet days and about 12.1 hours of daylight. It is the 5th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 37°C through the month. The sky is clear or mostly clear about 57% of the time in September, and the air most often feels oppressive.

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 Boutilimitt's 9th-clearest and 12th-windiest month. For the whole year in context, see Boutilimitt's year-round climate.

Daytime high
37°
5th warmest
Overnight low
27°
12th coldest
Rainfall
30 mm
4.4 wet days
Daylight
12 h 06 min
6:50 AM – 6:56 PM
Cloud cover
41%
9th clearest
Wind
15 km/h
12th windiest
Solar energy
6.62 kWh/m²
Travel score
1.6
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 37°C through the month.

A typical September day in Boutilimitt reaches about 37°C in the afternoon and slips back to 27°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 34°C and 40°C. Set against its neighbours, September runs on par with August and on par with October.

20°25°30°35°40°45°151015202530
Avg high (°C)Avg low (°C)
13727
23727
33727
43727
53727
63727
73727
83727
93727
103727
113727
123727
133727
143727
153727
163727
173727
183727
193727
203727
213727
223827
233827
243827
253827
263827
273827
283827
293827
303827

How September really feels in Boutilimitt

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
30 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.

Boutilimitt weather by month

How September compares with the rest of the year at a glance. September is the 5th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 17°30.211.16.9
Feb31° / 18°10.411.45.5
Mar34° / 20°10.211.93.8
Apr37° / 23°00.112.42.1
May39° / 25°0012.80.5
Jun40° / 26°10.4130.2
Jul37° / 25°51.212.91.6
Aug37° / 26°294.512.62.0
Sep37° / 27°304.412.11.6
Oct38° / 26°81.311.61.6
Nov34° / 22°10.311.23.6
Dec31° / 18°30.3116.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 57% 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 29%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16634
26634
36733
46832
56832
66931
76931
86931
97030
107030
117129
127129
137129
147129
157129
167228
177228
187228
197228
207228
217228
227228
237228
247327
257327
267327
277426
287426
297525
307624

Chance of precipitation in September

Any precipitation

Boutilimitt gets around 30 mm of rain over 4.4 wet days in September, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 14% and peaks near 20% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
120
220
320
420
519
619
718
817
917
1016
1116
1215
1315
1414
1514
1613
1713
1813
1912
2012
2112
2212
2312
2411
2511
2611
2710
2810
299
309

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the oppressive band about 41% of days. Sticky, muggy-or-worse air turns up on roughly 77% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1015225715
2015235615
3015235515
4116245216
5126245116
6127245016
7127255016
8127254916
9228254816
10238254716
11238254615
12339254515
13349254514
14349254414
154410254413
164510254312
175511254211
186611264111
196612264010
20771226399
21871326379
22981325368
231091425348
241191525337
2513101624316
2614111724296
2715121823275
2817121922255
2918132022234
3019142121214

Wind in September

Winds average 15 km/h in September, the calmest month.

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
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
815light 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
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze

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 6:48 AM to 6:52 AM, and sunset from 7:09 PM to 6:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:487:09
212.36:487:08
312.36:487:07
412.36:497:06
512.36:497:06
612.36:497:05
712.26:497:04
812.26:497:03
912.26:497:02
1012.26:497:01
1112.26:507:00
1212.26:507:00
1312.16:506:59
1412.16:506:58
1512.16:506:57
1612.16:506:56
1712.16:506:55
1812.16:506:54
1912.06:516:53
2012.06:516:53
2112.06:516:52
2212.06:516:51
2312.06:516:50
2412.06:516:49
2511.96:516:48
2611.96:526:47
2711.96:526:46
2811.96:526:46
2911.96:526:45
3011.96:526:44

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.62 kWh/m².

For context, solar energy here swings from a low near 5.01 kWh/m² to a high of 7.59 kWh/m² in May across the year — September's 6.62 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.7Intense
26.7Intense
36.7Intense
46.7Intense
56.7Intense
66.7Intense
76.7Intense
86.7Intense
96.7Intense
106.7Intense
116.7Intense
126.7Intense
136.7Intense
146.7Intense
156.7Intense
166.7Intense
176.6Intense
186.6Intense
196.6Intense
206.6Intense
216.6Intense
226.6Intense
236.6Intense
246.6Intense
256.6Intense
266.6Intense
276.6Intense
286.5Intense
296.5Intense
306.5Intense
Planning a trip in September

Hazard calendar for Boutilimitt

In seasonPeak

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

Boutilimitt sees dust haze year-round, heaviest in June.

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

Is September a good time to visit Boutilimitt?

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

1.6
Sightseeing
8th-best month of the year
4.8
Beach & pool
10th-best month of the year

September is a weaker month for outdoor sightseeing in Boutilimitt.

What to pack for Boutilimitt in September

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

In September, Boutilimitt sees daytime highs around 37°C and nights near 27°C. Pack light clothes and sun protection. About 4 days see rain.

light clothessun protection

UV index in Boutilimitt in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Boutilimitt peaks around March 13 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highExtremeVery highHighMar 13UV 12Dec 16UV 6
UV index (midday)Level
Jan8Very high
Feb11Extreme
Mar12Extreme
Apr10Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug11Extreme
Sep10Extreme
Oct9Very high
Nov8Very high
Dec6High

Air quality in Boutilimitt 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 Boutilimitt is worst in February — around 150 µg/m³ PM2.5 (unhealthy), about 2.6× the cleanest month (August, 58 µg/m³).

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

0306090120150180JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyFeb 8149 µg/m³Aug 2358 µg/m³
PM2.5 (µg/m³)Level
Jan148Unhealthy
Feb150Unhealthy
Mar116Unhealthy
Apr120Unhealthy
May133Unhealthy
Jun136Unhealthy
Jul85Unhealthy
Aug58Unhealthy
Sep59Unhealthy
Oct80Unhealthy
Nov82Unhealthy
Dec137Unhealthy
Location & terrain

Where is Boutilimitt?

Boutilimitt sits at 17.5°N, 14.7°W, 51 m above sea level, in Mauritania. The nearest listed city is Aleg, 100 km away.

AlegPodorNdioumBoguéTékaneDar NaimKsarNouakchott

Topography around Boutilimitt

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

Within 3 km, the terrain around Boutilimitt has only modest variations in elevation — a maximum elevation change of 54 m around an average of 53 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 58 m; within 80 km, only modest variations in elevation — a maximum elevation change of 80 m.

The land around Boutilimitt is covered by bare terrain (95%) within 3 km, bare terrain (79%) and grassland (21%) within 16 km, and bare terrain (60%) and grassland (40%) within 80 km.

3 km
54 m
16 km
58 m
80 km
80 m
grasslandartificial surfacesbare terrain
September weather nearby: Aleg 100 km · Podor 104 km · Ndioum 115 km · Bogué 116 km · Tékane 126 km · Dar Naim 144 km · Ksar 147 km · Nouakchott 148 km

Mauritania travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type C / E / F
220 V · 50 Hz
Prices
≈ 31% of US
price level, 2025
GDP per capita
$2,198
2025
Happiness
4.5 / 10
World Happiness, 2025
Homicide rate
1
per 100k, 2020
Road deaths
25.6
per 100k/yr, 2019
Income group
Lower middle
World Bank
Religion
Muslim 100%

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 Boutilimitt (17.5458°, -14.6978°, elevation 51 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).