Bourem weather in September

In September, Bourem sees average daytime highs of 39°C and overnight lows near 27°C, with 10 mm of rain across 2.9 wet days and about 12.1 hours of daylight. It is the 5th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 39°C through the month. The sky is clear or mostly clear about 72% of the time in September, and the air most often feels dry.

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 Bourem's 6th-clearest and 12th-windiest month. For the whole year in context, see Bourem's year-round climate.

Daytime high
39°
5th warmest
Overnight low
27°
9th coldest
Rainfall
10 mm
2.9 wet days
Daylight
12 h 06 min
5:53 AM – 5:59 PM
Cloud cover
30%
6th clearest
Wind
13 km/h
12th windiest
Solar energy
6.74 kWh/m²
Travel score
0.9
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 39°C through the month.

A typical September day in Bourem reaches about 39°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 36°C and 41°C. Set against its neighbours, September runs about 1°C warmer than August and on par with October.

20°25°30°35°40°45°151015202530
Avg high (°C)Avg low (°C)
13827
23827
33827
43827
53827
63827
73827
83827
93827
103827
113827
123927
133927
143927
153927
163927
173927
183927
193927
203927
213927
223927
233927
243927
253927
263927
273927
283927
293927
303927

How September really feels in Bourem

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
27 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.

Bourem weather by month

How September compares with the rest of the year at a glance. September is the 5th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 15°10.211.17.3
Feb32° / 17°0011.45.3
Mar36° / 21°0011.92.7
Apr40° / 25°00.112.40.3
May42° / 28°20.512.80.0
Jun41° / 29°41.6130.0
Jul39° / 28°184.912.90.6
Aug37° / 27°377.212.61.5
Sep39° / 27°102.912.10.9
Oct38° / 25°20.411.61.1
Nov35° / 20°0011.23.6
Dec30° / 17°00116.2

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 72% 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 14%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18119
28218
38218
48317
58317
68515
78515
88515
98614
108614
118614
128614
138614
148614
158614
168713
178713
188713
198713
208713
218713
228812
238812
248812
258812
268812
278812
288812
298812
308812

Chance of precipitation in September

Any precipitation

Bourem gets around 10 mm of rain over 2.9 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 10% and peaks near 19% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
119
218
317
416
515
614
714
813
913
1012
1112
1211
1311
1410
1510
169
179
189
198
208
218
227
237
246
256
265
275
284
294
304

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 24% of days. Sticky, muggy-or-worse air turns up on roughly 32% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
14102238252
24112237232
35122336222
46132336212
57152435191
68162434171
79172533161
810172532141
911182631131
1013192630111
1114202629101
121521272890
131721272780
141822272580
152022272470
162222272370
172423262160
182623262060
192823251850
203024251750
213224241550
223524231440
233724221240
244024211140
254324201030
26452419930
27482418730
28512317630
29532316620
30562215520

Wind in September

Winds average 13 km/h in September, the calmest month.

Across September, daily wind ranges from about 13 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
114light breeze
214light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light 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 5:51 AM to 5:55 AM, and sunset from 6:11 PM to 5:47 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:516:11
212.35:516:10
312.35:516:10
412.35:516:09
512.35:526:08
612.35:526:07
712.25:526:06
812.25:526:05
912.25:526:05
1012.25:526:04
1112.25:526:03
1212.25:526:02
1312.15:536:01
1412.15:536:00
1512.15:535:59
1612.15:535:59
1712.15:535:58
1812.15:535:57
1912.05:535:56
2012.05:535:55
2112.05:535:54
2212.05:545:53
2312.05:545:53
2412.05:545:52
2511.95:545:51
2611.95:545:50
2711.95:545:49
2811.95:545:48
2911.95:555:47
3011.95:555:47

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.74 kWh/m².

For context, solar energy here swings from a low near 5.31 kWh/m² to a high of 7.43 kWh/m² in April across the year — September's 6.74 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.8Intense
26.8Intense
36.8Intense
46.8Intense
56.8Intense
66.8Intense
76.8Intense
86.8Intense
96.8Intense
106.8Intense
116.8Intense
126.8Intense
136.8Intense
146.8Intense
156.7Intense
166.7Intense
176.7Intense
186.7Intense
196.7Intense
206.7Intense
216.7Intense
226.7Intense
236.7Intense
246.7Intense
256.7Intense
266.7Intense
276.6Intense
286.6Intense
296.6Intense
306.6Intense
Planning a trip in September

Hazard calendar for Bourem

In seasonPeak

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

Bourem 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 Bourem?

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

0.9
Sightseeing
8th-best month of the year
4.0
Beach & pool
8th-best month of the year

September is a weaker month for outdoor sightseeing in Bourem.

What to pack for Bourem in September

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

In September, Bourem sees daytime highs around 39°C and nights near 27°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Bourem 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 Bourem peaks around August 20 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 highExtremeVery highAug 20UV 13Dec 17UV 7
UV index (midday)Level
Jan8Very high
Feb10Extreme
Mar12Extreme
Apr10Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug13Extreme
Sep12Extreme
Oct11Extreme
Nov8Very high
Dec7High

Air quality in Bourem 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 Bourem is worst in February — around 106 µg/m³ PM2.5 (unhealthy), about 2.6× the cleanest month (September, 41 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorUnhealthyFeb 9106 µg/m³Sep 1442 µg/m³
PM2.5 (µg/m³)Level
Jan105Unhealthy
Feb106Unhealthy
Mar96Unhealthy
Apr76Unhealthy
May80Unhealthy
Jun78Unhealthy
Jul66Unhealthy
Aug50Poor
Sep41Poor
Oct56Unhealthy
Nov62Unhealthy
Dec95Unhealthy
Location & terrain

Where is Bourem?

Bourem sits at 17.0°N, 0.3°W, 270 m above sea level, in Mali. The nearest listed city is Gao, 83 km away.

I-n-TillitKidalAyorouTimbuktuAribindaMéhanaDori

Topography around Bourem

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

Within 3 km, the terrain around Bourem has only modest variations in elevation — a maximum elevation change of 38 m around an average of 263 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 52 m; within 80 km, only modest variations in elevation — a maximum elevation change of 138 m.

The land around Bourem is covered by bare terrain (66%) within 3 km, bare terrain (82%) within 16 km, and bare terrain (68%) and grassland (29%) within 80 km.

3 km
38 m
16 km
52 m
80 km
138 m
grasslandcroplandbare terrainwaterwetland
September weather nearby: Gao 83 km · I-n-Tillit 157 km · Kidal 249 km · Ayorou 282 km · Timbuktu 284 km · Aribinda 308 km · Méhana 326 km · Dori 327 km

Mali travel facts

Travel advisory
Level 4
Do Not Travel
Power plugs
Type C / E
220 V · 50 Hz
Prices
≈ 34% of US
price level, 2025
GDP per capita
$1,193
2025
Happiness
4.6 / 10
World Happiness, 2025
Road deaths
22.7
per 100k/yr, 2019
Income group
Low
World Bank
English
Very low
EF EPI 408
Religion
Muslim 94%Christian 3%none 3%animist 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 Bourem (16.955°, -0.3486°, elevation 270 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).