Sibi weather in September

In September, Sibi sees average daytime highs of 30°C and overnight lows near 22°C, with 180 mm of rain across 21.5 wet days and about 12.1 hours of daylight. It is the 10th-warmest and 3rd-wettest month of the year here.

Highs climb over the month, from about 29°C in the first days to 31°C by the end. The sky is clear or mostly clear about 20% of the time in September, and the air most often feels oppressive.

Daylight stretches from about 12 h 12 min at the start of September to 11 h 54 min by month's end. Set against the rest of the year, September is Sibi's 10th-clearest and 11th-windiest month. For the whole year in context, see Sibi's year-round climate.

Daytime high
30°
10th warmest
Overnight low
22°
6th coldest
Rainfall
180 mm
21.5 wet days
Daylight
12 h 06 min
6:26 AM – 6:30 PM
Cloud cover
66%
10th clearest
Wind
7 km/h
11th windiest
Solar energy
5.43 kWh/m²
Travel score
3.6
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 29°C in the first days to 31°C by the end.

A typical September day in Sibi reaches about 30°C in the afternoon and slips back to 22°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 32°C. Set against its neighbours, September runs about 1°C warmer than August and about 2°C cooler than October.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12922
22922
32922
42922
52922
62922
73022
83022
93022
103022
113022
123022
133022
143022
153022
163022
173022
183022
193022
203022
213022
223022
233122
243122
253122
263122
273122
283122
293122
303123

How September really feels in Sibi

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.

Sibi weather by month

How September compares with the rest of the year at a glance. September is the 10th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 18°10.211.45.5
Feb34° / 21°10.111.63.7
Mar37° / 24°20.411.91.9
Apr38° / 26°82.212.31.0
May37° / 26°337.312.61.5
Jun33° / 24°10715.912.72.8
Jul30° / 23°22123.812.73.4
Aug29° / 22°27025.212.43.5
Sep30° / 22°18021.512.13.6
Oct32° / 22°5410.511.73.9
Nov34° / 20°20.411.44.0
Dec32° / 18°0011.35.2

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 20% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 19% of September, with mostly cloudy or overcast conditions the remaining 61%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12476
22476
32575
42674
52773
62872
72971
83070
93169
103367
113466
123565
133664
143862
153961
164159
174258
184357
194357
204555
214654
224753
234951
245050
255050
265050
275149
285149
295149
305248

Chance of precipitation in September

Any precipitation

Sibi gets around 180 mm of rain over 21.5 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 71% and peaks near 78% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
178
278
378
477
577
676
776
875
975
1074
1174
1273
1373
1473
1572
1672
1771
1871
1970
2069
2168
2268
2367
2466
2565
2663
2762
2861
2960
3059

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 96% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)Miserable (%)
10991
20991
30991
40982
50982
60982
70982
80982
90973
100973
110973
120973
130964
140964
150964
160955
170955
180955
190955
200946
210946
220946
230946
240946
250946
261936
271936
281936
291936
302926

Wind in September

Winds average 7 km/h in September.

Across September, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
18calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 12 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 18 minutes over September. Sunrise moves from 6:26 AM to 6:26 AM, and sunset from 6:40 PM to 6:20 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:266:40
212.26:266:40
312.26:266:39
412.26:266:38
512.26:266:38
612.26:266:37
712.26:266:36
812.26:266:35
912.16:266:35
1012.16:266:34
1112.16:266:33
1212.16:266:33
1312.16:266:32
1412.16:266:31
1512.16:266:30
1612.16:266:30
1712.16:266:29
1812.06:266:28
1912.06:266:28
2012.06:266:27
2112.06:266:26
2212.06:266:25
2312.06:266:25
2412.06:266:24
2512.06:266:23
2611.96:266:23
2711.96:266:22
2811.96:266:21
2911.96:266:20
3011.96:266:20

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.43 kWh/m².

For context, solar energy here swings from a low near 4.73 kWh/m² to a high of 6.81 kWh/m² in March across the year — September's 5.43 kWh/m² sits near the bottom.

0246151015202530
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.0Bright
55.1Bright
65.1Bright
75.2Bright
85.2Bright
95.2Bright
105.3Bright
115.3Bright
125.3Bright
135.4Bright
145.4Bright
155.4Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.6Bright
215.6Bright
225.6Bright
235.7Bright
245.7Bright
255.7Bright
265.7Bright
275.7Bright
285.8Bright
295.8Bright
305.8Bright
Planning a trip in September

Hazard calendar for Sibi

In seasonPeak

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

Sibi's monsoon runs July–September, when most of the year's rain falls.

Sibi sees seasonal dust haze (February–July), heaviest in June.

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

Is September a good time to visit Sibi?

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

3.6
Sightseeing
6th-best month of the year
5.0
Beach & pool
8th-best month of the year

September is a weaker month for outdoor sightseeing in Sibi.

What to pack for Sibi in September

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

In September, Sibi sees daytime highs around 30°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 22 days see rain.

light clothesrain gearsun protection

UV index in Sibi 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 Sibi peaks around March 16 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highMar 16UV 14Dec 16UV 8
UV index (midday)Level
Jan9Very high
Feb12Extreme
Mar14Extreme
Apr12Extreme
May13Extreme
Jun11Extreme
Jul12Extreme
Aug13Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Sibi 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 Sibi is worst in February — around 67 µg/m³ PM2.5 (unhealthy), about 3.8× the cleanest month (August, 18 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorUnhealthyFeb 2166 µg/m³Aug 1418 µg/m³
PM2.5 (µg/m³)Level
Jan57Unhealthy
Feb67Unhealthy
Mar66Unhealthy
Apr56Unhealthy
May36Poor
Jun32Moderate
Jul22Moderate
Aug18Moderate
Sep27Moderate
Oct44Poor
Nov58Unhealthy
Dec59Unhealthy
Location & terrain

Where is Sibi?

Sibi sits at 12.4°N, 8.3°W, 371 m above sea level, in Mali. The nearest listed city is Kabala, 36 km away.

Topography around Sibi

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

Within 3 km, the terrain around Sibi has only modest variations in elevation — a maximum elevation change of 244 m around an average of 407 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 356 m; within 80 km, significant variations in elevation — a maximum elevation change of 501 m.

The land around Sibi is covered by cropland (44%) and trees (20%) within 3 km, shrubs (34%), grassland (31%) and cropland (23%) within 16 km, and shrubs (42%) and grassland (27%) within 80 km.

3 km
244 m
16 km
356 m
80 km
501 m
treesshrubsgrasslandcroplandartificial surfaceswater
September weather nearby: Kabala 36 km · Kalaban Koro 40 km · Bamako 47 km · Kati 50 km · Kangaba 50 km · Sirakoro Méguétana 50 km · Dialakorodji 54 km · Sangarébougou 60 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 Sibi (12.3755°, -8.3349°, elevation 371 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).