Suntu weather in September

In September, Suntu sees average daytime highs of 23°C and overnight lows near 13°C, with 326 mm of rain across 29.4 wet days and about 12 hours of daylight. It is the 10th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 23°C through the month. The sky is clear or mostly clear about 3% of the time in September, and the air most often feels comfortable.

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 Suntu's 10th-clearest and 12th-windiest month. For the whole year in context, see Suntu's year-round climate.

Daytime high
23°
10th warmest
Overnight low
13°
5th coldest
Rainfall
326 mm
29.4 wet days
Daylight
12 hours
6:25 AM – 6:28 PM
Cloud cover
73%
10th clearest
Wind
3 km/h
12th windiest
Solar energy
5.44 kWh/m²
Travel score
3.7
out of 10

Suntu is town in southern 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 23°C through the month.

A typical September day in Suntu reaches about 23°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 21°C and 25°C. Set against its neighbours, September runs about 1°C warmer than August and about 2°C cooler than October.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12314
22314
32314
42314
52313
62313
72313
82313
92313
102313
112313
122313
132313
142313
152313
162313
172313
182313
192313
202313
212313
222313
232313
242313
252313
262313
272313
282313
292413
302413

Suntu 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
Jan26° / 13°296.211.67.4
Feb27° / 14°336.211.77.0
Mar27° / 14°9214.911.95.8
Apr26° / 14°18521.912.24.7
May25° / 14°3022712.44.2
Jun23° / 14°30429.612.53.7
Jul22° / 14°35030.812.43.5
Aug22° / 14°35730.912.33.5
Sep23° / 13°32629.4123.7
Oct24° / 13°17218.411.85.7
Nov25° / 12°688.611.67.2
Dec26° / 12°315.711.57.8

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 12% of September, with mostly cloudy or overcast conditions the remaining 86%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1991
21090
31189
41189
51189
61189
71189
81189
91189
101189
111189
121288
131288
141288
151288
161288
171288
181288
191387
201387
211486
221585
231783
241783
251882
262080
272278
282476
292575
302773

Chance of precipitation in September

Any precipitation

Suntu gets around 326 mm of rain over 29.4 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 97% and peaks near 100% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202530
Rain chance (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
1199
1299
1399
1499
1599
1699
1799
1898
1998
2098
2197
2297
2396
2495
2594
2693
2791
2890
2988
3087

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 75% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
108515
208416
308416
408317
508218
608119
708119
808020
907921
1007822
1107723
1207624
1307624
1407525
1507426
1607327
1707327
1807228
1907228
2017029
2117029
2216930
2316930
2426830
2526830
2626929
2736829
2836928
2946828
3046927

Wind in September

Winds average 3 km/h in September, the calmest month.

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

0246810151015202530
Wind speed (km/h)Feels
13calm
23calm
33calm
43calm
53calm
63calm
73calm
83calm
93calm
103calm
113calm
123calm
133calm
143calm
153calm
163calm
173calm
183calm
193calm
203calm
213calm
223calm
233calm
243calm
253calm
263calm
273calm
283calm
293calm
303calm

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 6:27 AM to 6:23 AM, and sunset from 6:37 PM to 6:20 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:276:37
212.16:276:36
312.16:276:35
412.16:276:35
512.16:276:34
612.16:276:34
712.16:266:33
812.16:266:33
912.16:266:32
1012.16:266:31
1112.16:266:31
1212.16:266:30
1312.16:266:30
1412.16:256:29
1512.16:256:28
1612.06:256:28
1712.06:256:27
1812.06:256:27
1912.06:256:26
2012.06:256:25
2112.06:246:25
2212.06:246:24
2312.06:246:24
2412.06:246:23
2512.06:246:22
2612.06:246:22
2712.06:246:21
2812.06:246:21
2911.96:246:20
3011.96:236:20

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.44 kWh/m².

For context, solar energy here swings from a low near 4.49 kWh/m² to a high of 6.3 kWh/m² in March across the year — September's 5.44 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.2Bright
55.2Bright
65.3Bright
75.3Bright
85.3Bright
95.3Bright
105.3Bright
115.4Bright
125.4Bright
135.4Bright
145.4Bright
155.4Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.6Bright
235.6Bright
245.6Bright
255.6Bright
265.6Bright
275.7Bright
285.7Bright
295.7Bright
305.7Bright
Planning a trip in September

Hazard calendar for Suntu

In seasonPeak

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

Suntu's rainy season runs April–October, when most of the year's rain falls.

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

Is September a good time to visit Suntu?

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

3.7
Sightseeing
9th-best month of the year
2.9
Beach & pool
10th-best month of the year

September is a weaker month for outdoor sightseeing in Suntu.

What to pack for Suntu in September

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

In September, Suntu sees daytime highs around 23°C and nights near 13°C. Pack rain gear. Worth having: light clothes and sun protection. About 29 days see rain.

rain gearlight clothessun protection

UV index in Suntu 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 Suntu peaks around March 17 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 10 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 17UV 15Dec 10UV 10
UV index (midday)Level
Jan12Extreme
Feb13Extreme
Mar15Extreme
Apr13Extreme
May13Extreme
Jun11Extreme
Jul12Extreme
Aug14Extreme
Sep13Extreme
Oct13Extreme
Nov11Extreme
Dec10Extreme

Air quality in Suntu 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 Suntu is worst in February — around 45 µg/m³ PM2.5 (poor), about 1.8× the cleanest month (May, 25 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModeratePoorFeb 845 µg/m³May 1526 µg/m³
PM2.5 (µg/m³)Level
Jan44Poor
Feb45Poor
Mar35Poor
Apr29Moderate
May25Moderate
Jun30Moderate
Jul29Moderate
Aug26Moderate
Sep28Moderate
Oct34Moderate
Nov37Poor
Dec39Poor
Location & terrain

Where is Suntu?

Suntu sits at 8.1°N, 37.0°E, 1,711 m above sea level, in Ethiopia. The nearest listed city is Āgaro, 43 km away.

Welk’īt’ēGīmbīchoTarch’a SodoGēdoHosa’ina

Topography around Suntu

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

Within 3 km, the terrain around Suntu has only modest variations in elevation — a maximum elevation change of 170 m around an average of 1,667 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 916 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,445 m.

The land around Suntu is covered by trees (43%) and cropland (20%) within 3 km, trees (56%) within 16 km, and cropland (38%) and trees (35%) within 80 km.

3 km
170 m
16 km
916 m
80 km
2,445 m
treesshrubsgrasslandcroplandartificial surfaces
September weather nearby: Āgaro 43 km · Jimma 49 km · Bedelē 77 km · Welk’īt’ē 94 km · Gīmbīcho 104 km · Tarch’a Sodo 108 km · Gēdo 116 km · Hosa’ina 117 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 Suntu (8.1°, 36.95°, elevation 1,711 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).