Yirga Ch’efē weather in September

In September, Yirga Ch’efē sees average daytime highs of 22°C and overnight lows near 13°C, with 264 mm of rain across 23.8 wet days and about 12 hours of daylight. It is the 9th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 22°C through the month. The sky is clear or mostly clear about 5% of the time in September, and the air most often feels comfortable.

Daylight stretches from about 12 h 06 min at the start of September to 12 hours by month's end. Set against the rest of the year, September is Yirga Ch’efē's 6th-clearest and 8th-windiest month. For the whole year in context, see Yirga Ch’efē's year-round climate.

Daytime high
22°
9th warmest
Overnight low
13°
6th coldest
Rainfall
264 mm
23.8 wet days
Daylight
12 hours
6:21 AM – 6:23 PM
Cloud cover
70%
6th clearest
Wind
5 km/h
8th windiest
Solar energy
5.32 kWh/m²
Travel score
4.4
out of 10

Yirga Ch’efē is coffee from the Yirgacheffe zone in Ethiopia.

Density
18,404/km²
people per km²

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 22°C through the month.

A typical September day in Yirga Ch’efē reaches about 22°C in the afternoon and slips back to 13°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 24°C. Set against its neighbours, September runs about 1°C warmer than August and on par with October.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
12113
22113
32113
42113
52113
62213
72213
82213
92213
102213
112213
122213
132213
142213
152213
162213
172213
182213
192213
202213
212213
222213
232213
242213
252213
262213
272213
282213
292213
302213

Yirga Ch’efē weather by month

How September compares with the rest of the year at a glance. September is the 9th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan25° / 12°63711.77.6
Feb26° / 13°676.611.87.2
Mar26° / 14°20413.4126.2
Apr24° / 14°44923.712.14.5
May22° / 14°45628.412.33.8
Jun21° / 13°20323.812.44.2
Jul20° / 13°1282212.34.4
Aug21° / 13°1372212.24.5
Sep22° / 13°26423.8124.4
Oct22° / 13°53528.311.93.9
Nov23° / 12°3391811.75.5
Dec24° / 11°1038.911.67.3

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 5% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 20% of September, with mostly cloudy or overcast conditions the remaining 76%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11882
22080
32080
42278
52377
62476
72575
82773
92872
102971
113070
123070
133169
143169
153169
163070
172971
182872
192872
202674
212575
222476
232377
242179
252080
262080
271981
281882
291783
301684

Chance of precipitation in September

Any precipitation

Yirga Ch’efē gets around 264 mm of rain over 23.8 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 80% and peaks near 90% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202530
Rain chance (%)
175
275
375
475
575
675
775
875
975
1075
1175
1275
1375
1476
1576
1677
1778
1879
1980
2081
2182
2283
2384
2485
2586
2687
2788
2889
2990
3090

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the comfortable band about 72% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
136640
235650
335650
435650
535650
635650
735650
834660
934660
1034660
1133670
1233670
1333670
1432680
1532680
1631690
1730700
1829710
1927730
2026740
2125750
2223770
2322780
2421790
2519810
2618820
2717830
2816831
2914851
3013861

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 12 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over September. Sunrise moves from 6:23 AM to 6:18 AM, and sunset from 6:30 PM to 6:15 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:236:30
212.16:236:30
312.16:236:29
412.16:236:29
512.16:236:28
612.16:226:28
712.16:226:27
812.16:226:27
912.16:226:26
1012.16:226:26
1112.16:226:25
1212.16:216:25
1312.16:216:24
1412.06:216:24
1512.06:216:23
1612.06:216:23
1712.06:206:22
1812.06:206:21
1912.06:206:21
2012.06:206:20
2112.06:206:20
2212.06:196:19
2312.06:196:19
2412.06:196:18
2512.06:196:18
2612.06:196:17
2712.06:186:17
2812.06:186:16
2912.06:186:16
3012.06:186:15

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.32 kWh/m².

For context, solar energy here swings from a low near 4.1 kWh/m² to a high of 6.35 kWh/m² in February across the year — September's 5.32 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.0Bright
25.1Bright
35.1Bright
45.1Bright
55.2Bright
65.2Bright
75.2Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.4Bright
145.4Bright
155.4Bright
165.4Bright
175.4Bright
185.4Bright
195.4Bright
205.4Bright
215.4Bright
225.3Bright
235.3Bright
245.3Bright
255.3Bright
265.3Bright
275.3Bright
285.2Bright
295.2Bright
305.2Bright
Planning a trip in September

Is September a good time to visit Yirga Ch’efē?

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

4.4
Sightseeing
8th-best month of the year
2.9
Beach & pool
7th-best month of the year

September is a reasonable time to visit Yirga Ch’efē for sightseeing.

What to pack for Yirga Ch’efē in September

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

In September, Yirga Ch’efē sees daytime highs around 22°C and nights near 13°C. Pack rain gear. Worth having: sun protection. About 24 days see rain.

rain gearsun protection

UV index in Yirga Ch’efē 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 Ch’efē peaks around March 15 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 22 at about 12 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 15UV 16Nov 22UV 12
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar16Extreme
Apr15Extreme
May13Extreme
Jun12Extreme
Jul12Extreme
Aug14Extreme
Sep13Extreme
Oct14Extreme
Nov12Extreme
Dec12Extreme

Air quality in Yirga Ch’efē 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 Ch’efē is worst in December — around 36 µg/m³ PM2.5 (poor), about 1.6× the cleanest month (August, 22 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorDec 1736 µg/m³Aug 1922 µg/m³
PM2.5 (µg/m³)Level
Jan33Moderate
Feb32Moderate
Mar27Moderate
Apr25Moderate
May23Moderate
Jun28Moderate
Jul27Moderate
Aug22Moderate
Sep24Moderate
Oct27Moderate
Nov33Moderate
Dec36Poor
Location & terrain

Where is Yirga Ch’efē?

Yirga Ch’efē sits at 6.2°N, 38.2°E, 1,831 m above sea level, in Ethiopia. The nearest listed city is Wenago, 18 km away.

Topography around Yirga Ch’efē

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Yirga Ch’efē.

Within 3 km, the terrain around Yirga Ch’efē has significant variations in elevation — a maximum elevation change of 299 m around an average of 1,920 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,619 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,462 m.

The land around Yirga Ch’efē is covered by trees (92%) within 3 km, trees (73%) within 16 km, and trees (41%) and shrubs (27%) within 80 km.

3 km
299 m
16 km
1,619 m
80 km
2,462 m
treesshrubsgrasslandcroplandartificial surfaceswater
September weather nearby: Wenago 18 km · Kele 21 km · Dīla 31 km · Ch’iko 49 km · Kercha 49 km · Wendo 54 km · Hagere Maryam 59 km · Yirga ‘Alem 69 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 Ch’efē (6.1667°, 38.2°, elevation 1,831 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).