Yirga ‘Alem weather in September

In September, Yirga ‘Alem sees average daytime highs of 21°C and overnight lows near 11°C, with 225 mm of rain across 26 wet days and about 12 hours of daylight. It is the 9th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 21°C through the month. The sky is clear or mostly clear about 3% of the time in September, and the air most often feels dry.

Daylight stretches from about 12 h 06 min at the start of September to 11 h 54 min by month's end. Set against the rest of the year, September is Yirga ‘Alem's 7th-clearest and 9th-windiest month. For the whole year in context, see Yirga ‘Alem's year-round climate.

Daytime high
21°
9th warmest
Overnight low
11°
6th coldest
Rainfall
225 mm
26 wet days
Daylight
12 hours
6:20 AM – 6:22 PM
Cloud cover
72%
7th clearest
Wind
5 km/h
9th windiest
Solar energy
5.27 kWh/m²
Travel score
4.0
out of 10

Yirga ‘Alem is place in Ethiopia.

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 21°C through the month.

A typical September day in Yirga ‘Alem reaches about 21°C in the afternoon and slips back to 11°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 22°C. Set against its neighbours, September runs about 1°C warmer than August and about 1°C cooler than October.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
12011
22011
32011
42011
52011
62011
72011
82011
92011
102011
112011
122111
132111
142111
152111
162111
172111
182111
192111
202111
212111
222111
232111
242111
252111
262111
272111
282111
292111
302111

Yirga ‘Alem weather by month

How September compares with the rest of the year at a glance. September is the 9th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan24° / 10°264.511.77.9
Feb26° / 11°344.811.87.4
Mar25° / 12°9811.9126.5
Apr23° / 12°21120.612.15.0
May22° / 12°23325.512.34.2
Jun20° / 12°13125.712.43.9
Jul19° / 12°12425.512.43.8
Aug19° / 12°15026.312.23.8
Sep21° / 11°22526124.0
Oct21° / 11°20121.611.84.7
Nov22° / 10°749.511.76.8
Dec23° / 10°26411.68.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 3% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 17% of September, with mostly cloudy or overcast conditions the remaining 80%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11585
21684
31783
41882
51981
61981
72080
82179
92179
102278
112278
122278
132278
142278
152278
162278
172278
182179
192179
202080
211981
221981
232080
242080
252080
262080
272080
282179
292179
302179

Chance of precipitation in September

Any precipitation

Yirga ‘Alem gets around 225 mm of rain over 26 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 86% and peaks near 89% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
185
285
385
485
585
685
785
884
984
1084
1184
1283
1383
1483
1584
1684
1784
1885
1986
2086
2187
2288
2388
2489
2589
2689
2789
2889
2989
3089

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 65% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
17327
27327
37327
47426
57426
67327
77327
87327
97327
107228
117129
127030
136931
146832
156733
166535
176436
186238
196139
206040
215842
225743
235644
245644
255545
265545
275545
285545
295545
305545

Wind in September

Winds average 5 km/h in September.

Across September, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 06 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 12 minutes over September. Sunrise moves from 6:22 AM to 6:17 AM, and sunset from 6:30 PM to 6:14 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:226:30
212.16:226:29
312.16:226:29
412.16:226:28
512.16:226:28
612.16:216:27
712.16:216:27
812.16:216:26
912.16:216:26
1012.16:216:25
1112.16:206:25
1212.16:206:24
1312.16:206:23
1412.06:206:23
1512.06:206:22
1612.06:206:22
1712.06:196:21
1812.06:196:21
1912.06:196:20
2012.06:196:20
2112.06:196:19
2212.06:186:18
2312.06:186:18
2412.06:186:17
2512.06:186:17
2612.06:186:16
2712.06:186:16
2812.06:186:15
2912.06:176:15
3011.96:176:14

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.27 kWh/m².

For context, solar energy here swings from a low near 4.18 kWh/m² to a high of 6.31 kWh/m² in February across the year — September's 5.27 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.1Bright
45.1Bright
55.2Bright
65.2Bright
75.2Bright
85.2Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.3Bright
175.3Bright
185.3Bright
195.3Bright
205.3Bright
215.3Bright
225.3Bright
235.3Bright
245.3Bright
255.3Bright
265.2Bright
275.2Bright
285.2Bright
295.2Bright
305.2Bright
Planning a trip in September

Is September a good time to visit Yirga ‘Alem?

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

4.0
Sightseeing
9th-best month of the year
2.3
Beach & pool
9th-best month of the year

September is a reasonable time to visit Yirga ‘Alem for sightseeing.

What to pack for Yirga ‘Alem in September

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

In September, Yirga ‘Alem sees daytime highs around 21°C and nights near 11°C. Pack rain gear. Worth having: sun protection. About 26 days see rain.

rain gearsun protection

UV index in Yirga ‘Alem in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Yirga ‘Alem peaks around March 16 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 22 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 16UV 15Nov 22UV 11
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar16Extreme
Apr15Extreme
May13Extreme
Jun12Extreme
Jul12Extreme
Aug14Extreme
Sep13Extreme
Oct13Extreme
Nov11Extreme
Dec11Extreme

Air quality in Yirga ‘Alem 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 Yirga ‘Alem is worst in December — around 73 µg/m³ PM2.5 (unhealthy), about 1.9× the cleanest month (August, 39 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorUnhealthyDec 1872 µg/m³Aug 1440 µg/m³
PM2.5 (µg/m³)Level
Jan69Unhealthy
Feb61Unhealthy
Mar53Poor
Apr45Poor
May41Poor
Jun44Poor
Jul42Poor
Aug39Poor
Sep46Poor
Oct54Poor
Nov67Unhealthy
Dec73Unhealthy
Location & terrain

Where is Yirga ‘Alem?

Yirga ‘Alem sits at 6.8°N, 38.4°E, 1,778 m above sea level, in Ethiopia. The nearest listed city is Leku, 14 km away.

Topography around Yirga ‘Alem

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

Within 3 km, the terrain around Yirga ‘Alem has only modest variations in elevation — a maximum elevation change of 163 m around an average of 1,757 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,489 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,492 m.

The land around Yirga ‘Alem is covered by trees (75%) within 3 km, trees (55%) and shrubs (38%) within 16 km, and cropland (33%) and trees (26%) within 80 km.

3 km
163 m
16 km
1,489 m
80 km
2,492 m
treesshrubsgrasslandcroplandartificial surfaceswater
September weather nearby: Leku 14 km · Wendo 17 km · Ch’iko 21 km · Awasa 35 km · Dimtu 38 km · Bedēsa 38 km · Dīla 39 km · Wenago 51 km

Ethiopia travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type C / E / F / L
220 V · 50 Hz
Prices
≈ 37% of US
price level, 2025
GDP per capita
$933
2025
Happiness
4.0 / 10
World Happiness, 2025
Safe drinking water
14%
of population, 2024
Homicide rate
8.5
per 100k, 2012
Road deaths
28.2
per 100k/yr, 2019
Income group
Low
World Bank
English
Low
EF EPI 499
Religion
Ethiopian Orthodox 44%Muslim 31%Protestant 23%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 Yirga ‘Alem (6.75°, 38.4167°, elevation 1,778 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).