Debre Mark’os weather in September

In September, Debre Mark’os sees average daytime highs of 21°C and overnight lows near 12°C, with 390 mm of rain across 28.1 wet days and about 12.1 hours of daylight. It is the 10th-warmest and 3rd-wettest month of the year here.

Highs climb over the month, from about 21°C in the first days to 22°C by the end. The sky is clear or mostly clear about 10% 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 Debre Mark’os's 9th-clearest and 12th-windiest month. For the whole year in context, see Debre Mark’os's year-round climate.

Daytime high: 21°; 10th warmest
Overnight low: 12°; 5th coldest
Rainfall: 390 mm; 28.1 wet days
Daylight: 12 h 06 min; 6:22 AM – 6:25 PM
Cloud cover: 65%; 9th clearest
Wind: 4 km/h; 12th windiest
Solar energy: 5.8 kWh/m²
Travel score: 3.9; out of 10

Debre Mark’os is human settlement.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

← August Debre Mark’os year-round climate October →Best places to visit in September

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

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 21°C in the first days to 22°C by the end.

A typical September day in Debre Mark’os 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 2°C cooler than October.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Avg high (°C)	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	22	22	22	22	22	22	22	22	22	22	22	22	22
Avg low (°C)	13	13	13	13	13	13	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12

	Avg high (°C)	Avg low (°C)
1	21	13
2	21	13
3	21	13
4	21	13
5	21	13
6	21	13
7	21	12
8	21	12
9	21	12
10	21	12
11	21	12
12	21	12
13	21	12
14	21	12
15	21	12
16	21	12
17	21	12
18	22	12
19	22	12
20	22	12
21	22	12
22	22	12
23	22	12
24	22	12
25	22	12
26	22	12
27	22	12
28	22	12
29	22	12
30	22	12

Debre Mark’os 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.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	25° / 12°	13	3.1	11.5	8.3
Feb	27° / 13°	20	4.1	11.7	7.7
Mar	27° / 14°	68	11.6	11.9	6.4
Apr	27° / 14°	137	14.8	12.2	5.9
May	25° / 14°	269	21.4	12.5	5.0
Jun	22° / 13°	380	29.3	12.6	3.7
Jul	20° / 13°	425	30.9	12.5	3.3
Aug	20° / 13°	417	31	12.3	3.3
Sep	21° / 12°	390	28.1	12.1	3.9
Oct	23° / 12°	126	11.5	11.8	6.8
Nov	24° / 11°	46	6.8	11.5	7.9
Dec	24° / 11°	12	2.9	11.4	8.6

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 10% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 24% of September, with mostly cloudy or overcast conditions the remaining 66%. Skies tend to open up as the month goes on.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Clearer (%)	17	18	19	21	22	23	24	25	26	28	29	29	31	33	34	35	35	36	37	38	39	41	43	43	45	46	49	50	52	53
Cloudier (%)	83	82	81	79	78	77	76	75	74	72	71	71	69	67	66	65	65	64	63	62	61	59	57	57	55	54	51	50	48	47

	Clearer (%)	Cloudier (%)
1	17	83
2	18	82
3	19	81
4	21	79
5	22	78
6	23	77
7	24	76
8	25	75
9	26	74
10	28	72
11	29	71
12	29	71
13	31	69
14	33	67
15	34	66
16	35	65
17	35	65
18	36	64
19	37	63
20	38	62
21	39	61
22	41	59
23	43	57
24	43	57
25	45	55
26	46	54
27	49	51
28	50	50
29	52	48
30	53	47

Chance of precipitation in September

Any precipitation

Debre Mark’os gets around 390 mm of rain over 28.1 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 92% and peaks near 100% on the wettest days. The odds ease toward the end of the month.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Rain chance (%)	100	100	99	99	99	99	99	99	98	98	98	97	97	96	96	95	94	94	93	92	90	89	87	85	83	80	78	75	72	70

	Rain chance (%)
1	100
2	100
3	99
4	99
5	99
6	99
7	99
8	99
9	98
10	98
11	98
12	97
13	97
14	96
15	96
16	95
17	94
18	94
19	93
20	92
21	90
22	89
23	87
24	85
25	83
26	80
27	78
28	75
29	72
30	70

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 86% of days. It rarely turns muggy — the humid and sticky bands barely register.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Dry (%)	3	3	3	4	4	4	5	5	5	6	7	7	8	9	10	11	12	13	14	15	17	19	21	24	26	29	33	36	39	43
Comfortable (%)	97	97	97	96	96	96	95	95	95	94	93	93	92	91	90	89	88	87	86	85	83	81	79	76	74	71	67	64	61	57

	Dry (%)	Comfortable (%)
1	3	97
2	3	97
3	3	97
4	4	96
5	4	96
6	4	96
7	5	95
8	5	95
9	5	95
10	6	94
11	7	93
12	7	93
13	8	92
14	9	91
15	10	90
16	11	89
17	12	88
18	13	87
19	14	86
20	15	85
21	17	83
22	19	81
23	21	79
24	24	76
25	26	74
26	29	71
27	33	67
28	36	64
29	39	61
30	43	57

Wind in September

Winds average 4 km/h in September, the calmest month.

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.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Wind speed (km/h)	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	5	5	5
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

	Wind speed (km/h)	Feels
1	4	calm
2	4	calm
3	4	calm
4	4	calm
5	4	calm
6	4	calm
7	4	calm
8	4	calm
9	4	calm
10	4	calm
11	4	calm
12	4	calm
13	4	calm
14	4	calm
15	4	calm
16	4	calm
17	4	calm
18	4	calm
19	4	calm
20	4	calm
21	4	calm
22	4	calm
23	4	calm
24	4	calm
25	4	calm
26	4	calm
27	4	calm
28	5	calm
29	5	calm
30	5	calm

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 6:23 AM to 6:21 AM, and sunset from 6:35 PM to 6:16 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Daylight (h)	12.2	12.2	12.2	12.2	12.2	12.2	12.1	12.1	12.1	12.1	12.1	12.1	12.1	12.1	12.1	12.1	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	11.9	11.9	11.9	11.9
Sunrise (AM)	6:23	6:23	6:23	6:23	6:23	6:22	6:22	6:22	6:22	6:22	6:22	6:22	6:22	6:22	6:22	6:22	6:22	6:22	6:21	6:21	6:21	6:21	6:21	6:21	6:21	6:21	6:21	6:21	6:21	6:21
Sunset (PM)	6:35	6:34	6:34	6:33	6:32	6:32	6:31	6:30	6:30	6:29	6:28	6:28	6:27	6:26	6:26	6:25	6:24	6:24	6:23	6:22	6:22	6:21	6:20	6:20	6:19	6:18	6:18	6:17	6:17	6:16

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	12.2	6:23	6:35
2	12.2	6:23	6:34
3	12.2	6:23	6:34
4	12.2	6:23	6:33
5	12.2	6:23	6:32
6	12.2	6:22	6:32
7	12.1	6:22	6:31
8	12.1	6:22	6:30
9	12.1	6:22	6:30
10	12.1	6:22	6:29
11	12.1	6:22	6:28
12	12.1	6:22	6:28
13	12.1	6:22	6:27
14	12.1	6:22	6:26
15	12.1	6:22	6:26
16	12.1	6:22	6:25
17	12.0	6:22	6:24
18	12.0	6:22	6:24
19	12.0	6:21	6:23
20	12.0	6:21	6:22
21	12.0	6:21	6:22
22	12.0	6:21	6:21
23	12.0	6:21	6:20
24	12.0	6:21	6:20
25	12.0	6:21	6:19
26	12.0	6:21	6:18
27	11.9	6:21	6:18
28	11.9	6:21	6:17
29	11.9	6:21	6:17
30	11.9	6:21	6:16

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.8 kWh/m².

For context, solar energy here swings from a low near 4.54 kWh/m² to a high of 6.66 kWh/m² in March across the year — September's 5.8 kWh/m² falls in the middle.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Solar energy (kWh/m²)	5.4	5.4	5.5	5.5	5.5	5.5	5.6	5.6	5.6	5.7	5.7	5.7	5.8	5.8	5.8	5.8	5.9	5.9	5.9	5.9	6.0	6.0	6.0	6.0	6.0	6.1	6.1	6.1	6.1	6.2
Level	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense

	Solar energy (kWh/m²)	Level
1	5.4	Bright
2	5.4	Bright
3	5.5	Bright
4	5.5	Bright
5	5.5	Bright
6	5.5	Bright
7	5.6	Bright
8	5.6	Bright
9	5.6	Bright
10	5.7	Bright
11	5.7	Bright
12	5.7	Bright
13	5.8	Bright
14	5.8	Bright
15	5.8	Bright
16	5.8	Bright
17	5.9	Bright
18	5.9	Bright
19	5.9	Bright
20	5.9	Bright
21	6.0	Bright
22	6.0	Bright
23	6.0	Intense
24	6.0	Intense
25	6.0	Intense
26	6.1	Intense
27	6.1	Intense
28	6.1	Intense
29	6.1	Intense
30	6.2	Intense

Planning a trip in September

Hazard calendar for Debre Mark’os

In seasonPeak

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

Debre Mark’os's monsoon runs May–September, 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 Debre Mark’os?

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

3.9

Sightseeing

9th-best month of the year

2.6

Beach & pool

10th-best month of the year

September is a weaker month for outdoor sightseeing in Debre Mark’os.

What to pack for Debre Mark’os in September

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

In September, Debre Mark’os sees daytime highs around 21°C and nights near 12°C. Pack rain gear. Worth having: sun protection. About 28 days see rain.

rain gearsun protection

UV index in Debre Mark’os 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 Debre Mark’os peaks around March 22 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 10 at about 11 (extreme).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	12	13	16	15	13	12	13	14	12	12	11	11
Level	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme

	UV index (midday)	Level
Jan	12	Extreme
Feb	13	Extreme
Mar	16	Extreme
Apr	15	Extreme
May	13	Extreme
Jun	12	Extreme
Jul	13	Extreme
Aug	14	Extreme
Sep	12	Extreme
Oct	12	Extreme
Nov	11	Extreme
Dec	11	Extreme

Air quality in Debre Mark’os 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 Debre Mark’os is worst in December — around 48 µg/m³ PM2.5 (poor), about 1.8× the cleanest month (August, 27 µg/m³).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	46	40	35	31	27	31	29	27	34	41	44	48
Level	Poor	Poor	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Poor	Poor	Poor

	PM2.5 (µg/m³)	Level
Jan	46	Poor
Feb	40	Poor
Mar	35	Moderate
Apr	31	Moderate
May	27	Moderate
Jun	31	Moderate
Jul	29	Moderate
Aug	27	Moderate
Sep	34	Moderate
Oct	41	Poor
Nov	44	Poor
Dec	48	Poor

Location & terrain

Where is Debre Mark’os?

Debre Mark’os sits at 10.3°N, 37.7°E, 2,487 m above sea level, in Ethiopia. The nearest listed city is Lumamē, 25 km away.

Topography around Debre Mark’os

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Debre Mark’os.

Within 3 km, the terrain around Debre Mark’os has only modest variations in elevation — a maximum elevation change of 144 m around an average of 2,431 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,357 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,290 m.

The land around Debre Mark’os is covered by cropland (50%) and artificial surfaces (24%) within 3 km, cropland (82%) within 16 km, and cropland (65%) and shrubs (20%) within 80 km.

3 km

144 m

cropland 50%

16 km

1,357 m

cropland 82%

80 km

3,290 m

cropland 65%

treesshrubsgrasslandcroplandartificial surfacesbare terrainwetland

← August Debre Mark’os year-round climate October →Best places to visit in September

September weather nearby: Lumamē 25 km · Dembech’a 35 km · Bichena 52 km · Finote Selam 64 km · Dayē 78 km · Mertule Maryam 79 km · Burē 83 km · Mot’a 83 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

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 Debre Mark’os (10.35°, 37.7333°, elevation 2,487 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).

	Avg high (°C)	Avg low (°C)
1	21	13
2	21	13
3	21	13
4	21	13
5	21	13
6	21	13
7	21	12
8	21	12
9	21	12
10	21	12
11	21	12
12	21	12
13	21	12
14	21	12
15	21	12
16	21	12
17	21	12
18	22	12
19	22	12
20	22	12
21	22	12
22	22	12
23	22	12
24	22	12
25	22	12
26	22	12
27	22	12
28	22	12
29	22	12
30	22	12

	Clearer (%)	Cloudier (%)
1	17	83
2	18	82
3	19	81
4	21	79
5	22	78
6	23	77
7	24	76
8	25	75
9	26	74
10	28	72
11	29	71
12	29	71
13	31	69
14	33	67
15	34	66
16	35	65
17	35	65
18	36	64
19	37	63
20	38	62
21	39	61
22	41	59
23	43	57
24	43	57
25	45	55
26	46	54
27	49	51
28	50	50
29	52	48
30	53	47

	Rain chance (%)
1	100
2	100
3	99
4	99
5	99
6	99
7	99
8	99
9	98
10	98
11	98
12	97
13	97
14	96
15	96
16	95
17	94
18	94
19	93
20	92
21	90
22	89
23	87
24	85
25	83
26	80
27	78
28	75
29	72
30	70

	Dry (%)	Comfortable (%)
1	3	97
2	3	97
3	3	97
4	4	96
5	4	96
6	4	96
7	5	95
8	5	95
9	5	95
10	6	94
11	7	93
12	7	93
13	8	92
14	9	91
15	10	90
16	11	89
17	12	88
18	13	87
19	14	86
20	15	85
21	17	83
22	19	81
23	21	79
24	24	76
25	26	74
26	29	71
27	33	67
28	36	64
29	39	61
30	43	57

	Avg high (°C)	Avg low (°C)
1	21	13
2	21	13
3	21	13
4	21	13
5	21	13
6	21	13
7	21	12
8	21	12
9	21	12
10	21	12
11	21	12
12	21	12
13	21	12
14	21	12
15	21	12
16	21	12
17	21	12
18	22	12
19	22	12
20	22	12
21	22	12
22	22	12
23	22	12
24	22	12
25	22	12
26	22	12
27	22	12
28	22	12
29	22	12
30	22	12

	Clearer (%)	Cloudier (%)
1	17	83
2	18	82
3	19	81
4	21	79
5	22	78
6	23	77
7	24	76
8	25	75
9	26	74
10	28	72
11	29	71
12	29	71
13	31	69
14	33	67
15	34	66
16	35	65
17	35	65
18	36	64
19	37	63
20	38	62
21	39	61
22	41	59
23	43	57
24	43	57
25	45	55
26	46	54
27	49	51
28	50	50
29	52	48
30	53	47

	Rain chance (%)
1	100
2	100
3	99
4	99
5	99
6	99
7	99
8	99
9	98
10	98
11	98
12	97
13	97
14	96
15	96
16	95
17	94
18	94
19	93
20	92
21	90
22	89
23	87
24	85
25	83
26	80
27	78
28	75
29	72
30	70

	Dry (%)	Comfortable (%)
1	3	97
2	3	97
3	3	97
4	4	96
5	4	96
6	4	96
7	5	95
8	5	95
9	5	95
10	6	94
11	7	93
12	7	93
13	8	92
14	9	91
15	10	90
16	11	89
17	12	88
18	13	87
19	14	86
20	15	85
21	17	83
22	19	81
23	21	79
24	24	76
25	26	74
26	29	71
27	33	67
28	36	64
29	39	61
30	43	57

	Avg high (°C)	Avg low (°C)
1	21	13
2	21	13
3	21	13
4	21	13
5	21	13
6	21	13
7	21	12
8	21	12
9	21	12
10	21	12
11	21	12
12	21	12
13	21	12
14	21	12
15	21	12
16	21	12
17	21	12
18	22	12
19	22	12
20	22	12
21	22	12
22	22	12
23	22	12
24	22	12
25	22	12
26	22	12
27	22	12
28	22	12
29	22	12
30	22	12

	Clearer (%)	Cloudier (%)
1	17	83
2	18	82
3	19	81
4	21	79
5	22	78
6	23	77
7	24	76
8	25	75
9	26	74
10	28	72
11	29	71
12	29	71
13	31	69
14	33	67
15	34	66
16	35	65
17	35	65
18	36	64
19	37	63
20	38	62
21	39	61
22	41	59
23	43	57
24	43	57
25	45	55
26	46	54
27	49	51
28	50	50
29	52	48
30	53	47

	Rain chance (%)
1	100
2	100
3	99
4	99
5	99
6	99
7	99
8	99
9	98
10	98
11	98
12	97
13	97
14	96
15	96
16	95
17	94
18	94
19	93
20	92
21	90
22	89
23	87
24	85
25	83
26	80
27	78
28	75
29	72
30	70

	Dry (%)	Comfortable (%)
1	3	97
2	3	97
3	3	97
4	4	96
5	4	96
6	4	96
7	5	95
8	5	95
9	5	95
10	6	94
11	7	93
12	7	93
13	8	92
14	9	91
15	10	90
16	11	89
17	12	88
18	13	87
19	14	86
20	15	85
21	17	83
22	19	81
23	21	79
24	24	76
25	26	74
26	29	71
27	33	67
28	36	64
29	39	61
30	43	57