Mendī weather in September

In September, Mendī sees average daytime highs of 26°C and overnight lows near 16°C, with 266 mm of rain across 29.6 wet days and about 12.1 hours of daylight. It is the 10th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 1% of the time in September, and the air most often feels humid.

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 Mendī's 9th-clearest and 11th-windiest month. For the whole year in context, see Mendī's year-round climate.

Daytime high
26°
10th warmest
Overnight low
16°
4th coldest
Rainfall
266 mm
29.6 wet days
Daylight
12 h 06 min
6:32 AM – 6:36 PM
Cloud cover
70%
9th clearest
Wind
5 km/h
11th windiest
Solar energy
5.52 kWh/m²
Travel score
3.6
out of 10

Mendī is town in western 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 26°C through the month.

A typical September day in Mendī reaches about 26°C in the afternoon and slips back to 16°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 27°C. Set against its neighbours, September runs about 1°C warmer than August and on par with October.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12516
22516
32516
42516
52516
62516
72516
82516
92516
102516
112516
122516
132516
142516
152616
162616
172616
182616
192616
202616
212616
222616
232616
242616
252616
262616
272616
282616
292616
302616

Mendī weather by month

How September compares with the rest of the year at a glance. September is the 10th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 16°10.311.56.8
Feb31° / 17°10.311.75.7
Mar32° / 19°102.311.94.9
Apr31° / 19°519.412.24.5
May28° / 18°18023.412.44.1
Jun26° / 17°25829.212.63.7
Jul24° / 16°26530.112.53.7
Aug24° / 16°2693012.33.7
Sep26° / 16°26629.612.13.6
Oct26° / 16°16626.711.84.2
Nov27° / 16°215.111.67.4
Dec28° / 16°10.211.47.7

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 1% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 27% of September, with mostly cloudy or overcast conditions the remaining 71%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12278
22377
32377
42377
52476
62476
72476
82476
92575
102575
112575
122674
132674
142773
152773
162971
172971
183070
193070
203169
213268
223268
233268
243466
253466
263466
273565
283565
293565
303565

Chance of precipitation in September

Any precipitation

Mendī gets around 266 mm of rain over 29.6 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 98% and peaks near 99% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
199
299
399
499
599
699
799
899
999
1099
1199
1299
1399
1499
1599
1699
1799
1899
1999
2099
2199
2298
2398
2498
2598
2697
2797
2897
2996
3096

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the humid band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Comfortable (%)Humid (%)
10100
20100
30100
40100
50100
60100
70100
80100
90100
100100
110100
120100
130100
140100
150100
160100
170100
180100
190100
200100
210100
220100
230100
240100
250100
26199
27199
28199
29199
30199

Wind in September

Winds average 5 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
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
254calm
264calm
274calm
284calm
294calm
304calm

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 6:34 AM to 6:31 AM, and sunset from 6:45 PM to 6:27 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:346:45
212.26:346:44
312.26:336:44
412.26:336:43
512.26:336:43
612.16:336:42
712.16:336:41
812.16:336:41
912.16:336:40
1012.16:336:39
1112.16:336:39
1212.16:336:38
1312.16:336:37
1412.16:336:37
1512.16:326:36
1612.16:326:36
1712.06:326:35
1812.06:326:34
1912.06:326:34
2012.06:326:33
2112.06:326:32
2212.06:326:32
2312.06:326:31
2412.06:326:30
2512.06:326:30
2612.06:316:29
2712.06:316:28
2811.96:316:28
2911.96:316:27
3011.96:316:27

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.52 kWh/m².

For context, solar energy here swings from a low near 4.58 kWh/m² to a high of 6.57 kWh/m² in March across the year — September's 5.52 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.4Bright
55.4Bright
65.4Bright
75.4Bright
85.4Bright
95.5Bright
105.5Bright
115.5Bright
125.5Bright
135.5Bright
145.5Bright
155.5Bright
165.5Bright
175.5Bright
185.6Bright
195.6Bright
205.6Bright
215.6Bright
225.6Bright
235.6Bright
245.6Bright
255.6Bright
265.6Bright
275.6Bright
285.6Bright
295.6Bright
305.6Bright
Planning a trip in September

Hazard calendar for Mendī

In seasonPeak

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

Mendī's monsoon runs May–October, when most of the year's rain falls.

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

Is September a good time to visit Mendī?

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

3.6
Sightseeing
12th-best month of the year
3.4
Beach & pool
10th-best month of the year

September is a weaker month for outdoor sightseeing in Mendī.

What to pack for Mendī in September

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

In September, Mendī sees daytime highs around 26°C and nights near 16°C. Pack rain gear. Worth having: light clothes and sun protection. About 30 days see rain.

rain gearlight clothessun protection

UV index in Mendī 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 Mendī peaks around March 21 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 10 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highMar 21UV 14Dec 10UV 9
UV index (midday)Level
Jan11Extreme
Feb12Extreme
Mar14Extreme
Apr13Extreme
May11Extreme
Jun12Extreme
Jul12Extreme
Aug13Extreme
Sep12Extreme
Oct12Extreme
Nov10Very high
Dec9Very high

Air quality in Mendī 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 Mendī is worst in February — around 54 µg/m³ PM2.5 (poor), about 3.8× the cleanest month (May, 14 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModerateFeb 1653 µg/m³May 2015 µg/m³
PM2.5 (µg/m³)Level
Jan41Poor
Feb54Poor
Mar44Poor
Apr28Moderate
May14Moderate
Jun20Moderate
Jul20Moderate
Aug16Moderate
Sep15Moderate
Oct18Moderate
Nov23Moderate
Dec25Moderate
Location & terrain

Where is Mendī?

Mendī sits at 9.8°N, 35.1°E, 1,665 m above sea level, in Ethiopia. The nearest listed city is Bambesi, 41 km away.

GimbiDembī DoloDibateĀyanaGutin

Topography around Mendī

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

Within 3 km, the terrain around Mendī has only modest variations in elevation — a maximum elevation change of 165 m around an average of 1,637 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 594 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,915 m.

The land around Mendī is covered by trees (36%), cropland (33%) and grassland (20%) within 3 km, trees (39%) and cropland (39%) within 16 km, and trees (46%), cropland (25%) and grassland (20%) within 80 km.

3 km
165 m
16 km
594 m
80 km
1,915 m
treesshrubsgrasslandcroplandartificial surfaces
September weather nearby: Bambesi 41 km · Nejo 55 km · Āsosa 69 km · Gimbi 107 km · Dembī Dolo 145 km · Dibate 154 km · Āyana 166 km · Gutin 170 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 Mendī (9.8°, 35.1°, elevation 1,665 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).