Were Īlu weather in September

In September, Were Īlu sees average daytime highs of 19°C and overnight lows near 10°C, with 175 mm of rain across 22.3 wet days and about 12.1 hours of daylight. It is the 10th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 19°C through the month. The sky is clear or mostly clear about 29% of the time in September, and the air most often feels dry.

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 Were Īlu's 7th-clearest and 9th-windiest month. For the whole year in context, see Were Īlu's year-round climate.

Daytime high
19°
10th warmest
Overnight low
10°
7th coldest
Rainfall
175 mm
22.3 wet days
Daylight
12 h 06 min
6:15 AM – 6:18 PM
Cloud cover
51%
7th clearest
Wind
5 km/h
9th windiest
Solar energy
5.63 kWh/m²
Travel score
4.5
out of 10

Were Īlu is place in Amhara, 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 19°C through the month.

A typical September day in Were Īlu reaches about 19°C in the afternoon and slips back to 10°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 21°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)
11910
21910
31910
41910
51910
61910
71910
81910
91910
101910
111910
121910
131910
141910
151910
161910
171910
181910
191910
201910
211910
221910
231910
241910
251910
261910
271910
281910
291910
30199

Were Īlu 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
Jan21° / 377.711.47.0
Feb22° / 498.911.76.9
Mar22° / 10°17016.111.95.9
Apr22° / 10°13814.812.26.0
May23° / 11°618.812.57.1
Jun22° / 12°8317.512.65.7
Jul19° / 11°37630.712.63.3
Aug18° / 11°41430.912.33.3
Sep19° / 10°17522.312.14.5
Oct20° / 355.311.87.2
Nov20° / 183.311.57.8
Dec20° / 163.711.47.7

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 42% 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 (%)
16337
26436
36436
46436
56634
66733
76832
86931
97030
107129
117228
127327
137426
147426
157525
167525
177624
187624
197624
207525
217525
227525
237426
247426
257426
267228
277228
287228
297228
307129

Chance of precipitation in September

Any precipitation

Were Īlu gets around 175 mm of rain over 22.3 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 74% and peaks near 96% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202530
Rain chance (%)
196
295
394
494
593
692
791
890
989
1087
1186
1285
1383
1481
1579
1677
1775
1872
1970
2067
2164
2261
2359
2456
2553
2650
2747
2844
2942
3039

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 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
1991
2991
3991
4991
5991
6991
7991
8991
9991
101000
111000
121000
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
281000
291000
301000

Wind in September

Winds average 5 km/h in September.

Across September, daily wind ranges from about 3 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
13calm
23calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
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 6:16 AM to 6:14 AM, and sunset from 6:28 PM to 6:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:166:28
212.26:166:28
312.26:166:27
412.26:166:26
512.26:166:26
612.26:166:25
712.16:156:24
812.16:156:24
912.16:156:23
1012.16:156:22
1112.16:156:22
1212.16:156:21
1312.16:156:20
1412.16:156:20
1512.16:156:19
1612.16:156:18
1712.06:156:18
1812.06:156:17
1912.06:156:16
2012.06:156:16
2112.06:146:15
2212.06:146:14
2312.06:146:14
2412.06:146:13
2512.06:146:12
2612.06:146:12
2711.96:146:11
2811.96:146:10
2911.96:146:10
3011.96:146:09

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.63 kWh/m².

For context, solar energy here swings from a low near 4.72 kWh/m² to a high of 6.61 kWh/m² in April across the year — September's 5.63 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.4Bright
45.5Bright
55.5Bright
65.5Bright
75.5Bright
85.5Bright
95.5Bright
105.6Bright
115.6Bright
125.6Bright
135.6Bright
145.6Bright
155.6Bright
165.7Bright
175.7Bright
185.7Bright
195.7Bright
205.7Bright
215.7Bright
225.7Bright
235.7Bright
245.7Bright
255.8Bright
265.8Bright
275.8Bright
285.8Bright
295.8Bright
305.9Bright
Planning a trip in September

Hazard calendar for Were Īlu

In seasonPeak

None of Were Īlu's seasonal hazards are active in September. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Were Īlu's monsoon runs July–August, when most of the year's rain falls.

Were Īlu sees seasonal dust haze (June–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 Were Īlu?

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

4.5
Sightseeing
10th-best month of the year
2.0
Beach & pool
10th-best month of the year

September is a reasonable time to visit Were Īlu for sightseeing.

What to pack for Were Īlu in September

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

In September, Were Īlu sees daytime highs around 19°C and nights near 10°C. Pack rain gear. Worth having: sun protection. About 22 days see rain.

rain gearsun protection

UV index in Were Īlu 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 Were Īlu peaks around March 19 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 11 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 19UV 16Dec 11UV 11
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar16Extreme
Apr15Extreme
May14Extreme
Jun13Extreme
Jul11Extreme
Aug15Extreme
Sep13Extreme
Oct14Extreme
Nov11Extreme
Dec11Extreme

Air quality in Were Īlu 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 Were Īlu is worst in June — around 45 µg/m³ PM2.5 (poor), and holds fairly steady the rest of the year.

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateJun 1844 µg/m³Nov 1729 µg/m³
PM2.5 (µg/m³)Level
Jan32Moderate
Feb32Moderate
Mar34Moderate
Apr32Moderate
May36Poor
Jun45Poor
Jul40Poor
Aug40Poor
Sep42Poor
Oct31Moderate
Nov29Moderate
Dec31Moderate
Location & terrain

Where is Were Īlu?

Were Īlu sits at 10.6°N, 39.4°E, 2,699 m above sea level, in Ethiopia. The nearest listed city is Mehal Mēda, 39 km away.

Topography around Were Īlu

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

Within 3 km, the terrain around Were Īlu has large variations in elevation — a maximum elevation change of 680 m around an average of 2,579 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,152 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,346 m.

The land around Were Īlu is covered by cropland (61%) within 3 km, cropland (61%) and shrubs (21%) within 16 km, and cropland (52%) and shrubs (28%) within 80 km.

3 km
680 m
16 km
1,152 m
80 km
3,346 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
September weather nearby: Mehal Mēda 39 km · Kemisē 49 km · Harbu 53 km · Āt’aye 61 km · Kombolcha 64 km · Dessie 64 km · ‘Alem Ketema 72 km · Kobo 77 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 Were Īlu (10.5896°, 39.4377°, elevation 2,699 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).