Tulu Bolo weather in September

In September, Tulu Bolo sees average daytime highs of 21°C and overnight lows near 11°C, with 160 mm of rain across 23.8 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 21°C through the month. The sky is clear or mostly clear about 17% 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 Tulu Bolo's 9th-clearest and 12th-windiest month. For the whole year in context, see Tulu Bolo's year-round climate.

Daytime high
21°
10th warmest
Overnight low
11°
6th coldest
Rainfall
160 mm
23.8 wet days
Daylight
12 hours
6:20 AM – 6:23 PM
Cloud cover
59%
9th clearest
Wind
5 km/h
12th windiest
Solar energy
5.56 kWh/m²
Travel score
4.6
out of 10

Tulu Bolo is 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 Tulu Bolo reaches about 21°C in the afternoon and slips back to 11°C overnight — a 10°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 2°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
122111
132111
142111
152111
162111
172211
182211
192211
202211
212211
222211
232211
242211
252211
262211
272211
282211
292211
302211

Tulu Bolo 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
Jan24° / 10°72.111.68.6
Feb26° / 11°112.511.78.2
Mar26° / 12°346.511.97.4
Apr26° / 13°5910.212.26.6
May25° / 13°8411.912.46.5
Jun23° / 12°10621.912.54.9
Jul21° / 12°15929.112.53.6
Aug20° / 12°17429.712.33.5
Sep21° / 11°16023.812.14.6
Oct23° / 11°325.311.87.9
Nov24° / 10°71.511.68.9
Dec24° / 20.711.59.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 17% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 32% of September, with mostly cloudy or overcast conditions the remaining 51%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13565
23664
33664
43763
53862
63961
74060
84159
94258
104357
114357
124555
134654
144852
154951
165050
175149
185248
195248
205347
215446
225644
235743
245842
255941
266040
276139
286238
296337
306436

Chance of precipitation in September

Any precipitation

Tulu Bolo gets around 160 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 78% and peaks near 94% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202530
Rain chance (%)
194
293
393
492
591
691
790
889
988
1087
1186
1285
1384
1483
1582
1680
1779
1878
1976
2074
2173
2270
2368
2466
2563
2660
2757
2855
2952
3049

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

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
16139
26238
36337
46436
56535
66634
76733
86832
96931
106931
117030
127129
137228
147228
157327
167426
177525
187525
197624
207822
217921
228020
238218
248317
258515
268614
278713
288812
298911
309010

Wind in September

Winds average 5 km/h in September, the calmest month.

Across September, daily wind ranges from about 4 km/h on the calmest days to 6 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
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
266calm
276calm
286calm
296calm
306calm

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 6:22 AM to 6:18 AM, and sunset from 6:32 PM to 6:14 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:226:32
212.26:226:31
312.26:226:31
412.16:226:30
512.16:216:30
612.16:216:29
712.16:216:28
812.16:216:28
912.16:216:27
1012.16:216:27
1112.16:216:26
1212.16:216:25
1312.16:206:25
1412.16:206:24
1512.16:206:23
1612.06:206:23
1712.06:206:22
1812.06:206:22
1912.06:206:21
2012.06:206:20
2112.06:196:20
2212.06:196:19
2312.06:196:19
2412.06:196:18
2512.06:196:17
2612.06:196:17
2712.06:196:16
2811.96:196:16
2911.96:196:15
3011.96:186:14

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.56 kWh/m².

For context, solar energy here swings from a low near 4.51 kWh/m² to a high of 6.34 kWh/m² in March across the year — September's 5.56 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.4Bright
65.4Bright
75.4Bright
85.4Bright
95.5Bright
105.5Bright
115.5Bright
125.5Bright
135.5Bright
145.6Bright
155.6Bright
165.6Bright
175.6Bright
185.6Bright
195.6Bright
205.7Bright
215.7Bright
225.7Bright
235.7Bright
245.7Bright
255.7Bright
265.8Bright
275.8Bright
285.8Bright
295.8Bright
305.9Bright
Planning a trip in September

Hazard calendar for Tulu Bolo

In seasonPeak

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

Tulu Bolo's rainy season runs May–September, 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 Tulu Bolo?

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

4.6
Sightseeing
10th-best month of the year
3.0
Beach & pool
10th-best month of the year

September is a reasonable time to visit Tulu Bolo for sightseeing.

What to pack for Tulu Bolo in September

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

In September, Tulu Bolo sees daytime highs around 21°C and nights near 11°C. Pack rain gear. Worth having: sun protection. About 24 days see rain.

rain gearsun protection

UV index in Tulu Bolo 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 Tulu Bolo peaks around March 18 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 23 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 18UV 16Nov 23UV 11
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar16Extreme
Apr15Extreme
May14Extreme
Jun12Extreme
Jul12Extreme
Aug14Extreme
Sep13Extreme
Oct13Extreme
Nov11Extreme
Dec11Extreme

Air quality in Tulu Bolo 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 Tulu Bolo is worst in October — around 46 µg/m³ PM2.5 (poor), and holds fairly steady the rest of the year.

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModeratePoorOct 1746 µg/m³Aug 931 µg/m³
PM2.5 (µg/m³)Level
Jan43Poor
Feb41Poor
Mar39Poor
Apr37Poor
May38Poor
Jun38Poor
Jul31Moderate
Aug31Moderate
Sep41Poor
Oct46Poor
Nov42Poor
Dec44Poor
Location & terrain

Where is Tulu Bolo?

Tulu Bolo sits at 8.7°N, 38.2°E, 2,172 m above sea level, in Ethiopia. The nearest listed city is Waliso, 31 km away.

Topography around Tulu Bolo

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

Within 3 km, the terrain around Tulu Bolo has only modest variations in elevation — a maximum elevation change of 121 m around an average of 2,173 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 773 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,518 m.

The land around Tulu Bolo is covered by cropland (88%) within 3 km, cropland (93%) within 16 km, and cropland (74%) within 80 km.

3 km
121 m
16 km
773 m
80 km
2,518 m
treesshrubsgrasslandcroplandartificial surfaces
September weather nearby: Waliso 31 km · Gīnch’ī 41 km · Ādīs ‘Alem 45 km · Sebeta 52 km · Hāgere Hiywet 54 km · Genet 54 km · Guder 60 km · Butajīra 63 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 Tulu Bolo (8.6667°, 38.2167°, elevation 2,172 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).