Nefas Mewch’a weather in September

In September, Nefas Mewch’a sees average daytime highs of 21°C and overnight lows near 12°C, with 191 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.

Day-to-day highs hold fairly steady near 21°C through the month. The sky is clear or mostly clear about 26% 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 Nefas Mewch’a's 9th-clearest and 10th-windiest month. For the whole year in context, see Nefas Mewch’a's year-round climate.

Daytime high
21°
10th warmest
Overnight low
12°
7th coldest
Rainfall
191 mm
21.5 wet days
Daylight
12 h 06 min
6:19 AM – 6:22 PM
Cloud cover
53%
9th clearest
Wind
4 km/h
10th windiest
Solar energy
5.77 kWh/m²
Travel score
4.9
out of 10

Nefas Mewch’a 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 21°C through the month.

A typical September day in Nefas Mewch’a reaches about 21°C in the afternoon and slips back to 12°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 23°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)
12112
22112
32112
42112
52112
62112
72112
82112
92112
102112
112112
122112
132112
142112
152112
162112
172112
182112
192112
202112
212112
222112
232212
242212
252212
262212
272212
282212
292212
302212

Nefas Mewch’a 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
Jan23° / 11°446.411.47.8
Feb25° / 12°516.511.67.7
Mar25° / 12°11211.611.96.8
Apr25° / 13°12912.312.36.6
May25° / 14°10510.312.57.0
Jun24° / 13°1401512.76.1
Jul21° / 12°41429.712.63.6
Aug21° / 12°40130.512.43.5
Sep21° / 12°19121.512.14.9
Oct22° / 12°465.211.77.8
Nov23° / 11°293.711.58.3
Dec23° / 11°253.611.38.3

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 43% of September, with mostly cloudy or overcast conditions the remaining 31%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15149
25347
35446
45545
55743
65842
76040
86238
96337
106535
116733
126832
137030
147129
157228
167327
177426
187525
197624
207624
217723
227723
237822
247921
257921
267921
277921
287921
297822
307723

Chance of precipitation in September

Any precipitation

Nefas Mewch’a gets around 191 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 96% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202530
Rain chance (%)
196
296
395
495
594
693
792
891
989
1087
1185
1283
1381
1478
1575
1673
1770
1867
1964
2061
2158
2255
2353
2450
2548
2646
2744
2842
2940
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 96% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
18713
28812
38911
49010
5919
6928
7937
8946
9946
10955
11964
12964
13973
14973
15973
16973
17982
18982
19982
20982
21982
22991
23991
24991
25991
26991
27991
28991
29991
301000

Wind in September

Winds average 4 km/h in September.

Across September, daily wind ranges from about 4 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
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm

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 6:19 AM to 6:18 AM, and sunset from 6:33 PM to 6:13 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:196:33
212.26:196:32
312.26:196:31
412.26:196:31
512.26:196:30
612.26:196:29
712.26:196:29
812.26:196:28
912.16:196:27
1012.16:196:27
1112.16:196:26
1212.16:196:25
1312.16:196:24
1412.16:196:24
1512.16:196:23
1612.16:196:22
1712.16:186:22
1812.06:186:21
1912.06:186:20
2012.06:186:20
2112.06:186:19
2212.06:186:18
2312.06:186:17
2412.06:186:17
2512.06:186:16
2612.06:186:15
2711.96:186:15
2811.96:186:14
2911.96:186:13
3011.96:186:13

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.77 kWh/m².

For context, solar energy here swings from a low near 4.91 kWh/m² to a high of 6.66 kWh/m² in April across the year — September's 5.77 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.5Bright
55.6Bright
65.6Bright
75.6Bright
85.6Bright
95.7Bright
105.7Bright
115.7Bright
125.7Bright
135.7Bright
145.8Bright
155.8Bright
165.8Bright
175.8Bright
185.8Bright
195.8Bright
205.9Bright
215.9Bright
225.9Bright
235.9Bright
245.9Bright
255.9Bright
265.9Bright
275.9Bright
286.0Bright
296.0Bright
306.0Bright
Planning a trip in September

Hazard calendar for Nefas Mewch’a

In seasonPeak

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

Nefas Mewch’a's monsoon runs July–September, when most of the year's rain falls.

Nefas Mewch’a sees seasonal dust haze (June), heaviest in June.

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

Is September a good time to visit Nefas Mewch’a?

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

4.9
Sightseeing
10th-best month of the year
3.2
Beach & pool
10th-best month of the year

September is a reasonable time to visit Nefas Mewch’a for sightseeing.

What to pack for Nefas Mewch’a in September

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

In September, Nefas Mewch’a sees daytime highs around 21°C and nights near 12°C. Pack rain gear. Worth having: sun protection. About 22 days see rain.

rain gearsun protection

UV index in Nefas Mewch’a in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Nefas Mewch’a peaks around March 21 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 12 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 21UV 16Dec 12UV 10
UV index (midday)Level
Jan12Extreme
Feb13Extreme
Mar16Extreme
Apr15Extreme
May14Extreme
Jun13Extreme
Jul12Extreme
Aug14Extreme
Sep14Extreme
Oct13Extreme
Nov11Extreme
Dec10Extreme

Air quality in Nefas Mewch’a 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 Nefas Mewch’a is worst in September — around 37 µg/m³ PM2.5 (poor), and holds fairly steady the rest of the year.

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateSep 2236 µg/m³Aug 928 µg/m³
PM2.5 (µg/m³)Level
Jan35Poor
Feb33Moderate
Mar32Moderate
Apr29Moderate
May29Moderate
Jun34Moderate
Jul28Moderate
Aug28Moderate
Sep37Poor
Oct36Poor
Nov32Moderate
Dec34Moderate
Location & terrain

Where is Nefas Mewch’a?

Nefas Mewch’a sits at 11.7°N, 38.5°E, 3,082 m above sea level, in Ethiopia. The nearest listed city is Filakit, 37 km away.

Mot’a

Topography around Nefas Mewch’a

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Nefas Mewch’a.

Within 3 km, the terrain around Nefas Mewch’a has large variations in elevation — a maximum elevation change of 912 m around an average of 2,929 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,757 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,908 m.

The land around Nefas Mewch’a is covered by cropland (42%) and trees (25%) within 3 km, cropland (57%) within 16 km, and cropland (52%) and grassland (31%) within 80 km.

3 km
912 m
16 km
1,757 m
80 km
2,908 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
September weather nearby: Filakit 37 km · Debre Tabor 51 km · Wegeda 59 km · Ibnat 64 km · Lalibela 71 km · Ādīs Zemen 86 km · Werota 86 km · Mot’a 97 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 Nefas Mewch’a (11.7333°, 38.4667°, elevation 3,082 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).