Mer’āwī weather in September

In September, Mer’āwī sees average daytime highs of 23°C and overnight lows near 14°C, with 211 mm of rain across 24.8 wet days and about 12.1 hours of daylight. It is the 10th-warmest and 4th-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 18% 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 Mer’āwī's 9th-clearest and 12th-windiest month. For the whole year in context, see Mer’āwī's year-round climate.

Daytime high: 23°; 10th warmest
Overnight low: 14°; 5th coldest
Rainfall: 211 mm; 24.8 wet days
Daylight: 12 h 06 min; 6:24 AM – 6:28 PM
Cloud cover: 58%; 9th clearest
Wind: 5 km/h; 12th windiest
Solar energy: 5.77 kWh/m²
Travel score: 4.5; out of 10

Mer’āwī is city in Amhara, Ethiopia.

Density: 4,689/km²; people per km²

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

← August Mer’āwī 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

Day-to-day highs hold fairly steady near 23°C through the month.

A typical September day in Mer’āwī reaches about 23°C in the afternoon and slips back to 14°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 24°C. Set against its neighbours, September runs about 1°C warmer than August and about 1°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)	22	22	22	22	22	22	22	22	22	22	22	22	22	22	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23
Avg low (°C)	15	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14

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

Mer’āwī weather by month

How September compares with the rest of the year at a glance. September is the 10th-warmest and 4th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	26° / 14°	5	1	11.4	8.6
Feb	27° / 15°	4	0.9	11.6	8.2
Mar	28° / 16°	14	3.1	11.9	7.2
Apr	28° / 17°	23	5.2	12.2	6.9
May	26° / 17°	87	12.9	12.5	6.3
Jun	24° / 15°	238	24.9	12.7	4.5
Jul	21° / 15°	425	30.8	12.6	3.4
Aug	21° / 15°	425	30.9	12.4	3.4
Sep	23° / 14°	211	24.8	12.1	4.5
Oct	24° / 14°	59	10.9	11.7	7.1
Nov	25° / 14°	14	3	11.5	8.6
Dec	25° / 13°	4	1.1	11.3	8.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 18% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 38% of September, with mostly cloudy or overcast conditions the remaining 44%. 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 (%)	30	32	33	35	36	38	41	43	46	48	51	53	56	57	59	62	63	65	66	68	68	69	69	70	71	71	71	71	71	71
Cloudier (%)	70	68	67	65	64	62	59	57	54	52	49	47	44	43	41	38	37	35	34	32	32	31	31	30	29	29	29	29	29	29

	Clearer (%)	Cloudier (%)
1	30	70
2	32	68
3	33	67
4	35	65
5	36	64
6	38	62
7	41	59
8	43	57
9	46	54
10	48	52
11	51	49
12	53	47
13	56	44
14	57	43
15	59	41
16	62	38
17	63	37
18	65	35
19	66	34
20	68	32
21	68	32
22	69	31
23	69	31
24	70	30
25	71	29
26	71	29
27	71	29
28	71	29
29	71	29
30	71	29

Chance of precipitation in September

Any precipitation

Mer’āwī gets around 211 mm of rain over 24.8 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 82% and peaks near 98% 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 (%)	98	97	97	97	96	96	95	94	93	93	92	90	89	88	86	84	83	81	79	77	75	73	71	69	67	65	63	61	59	57

	Rain chance (%)
1	98
2	97
3	97
4	97
5	96
6	96
7	95
8	94
9	93
10	93
11	92
12	90
13	89
14	88
15	86
16	84
17	83
18	81
19	79
20	77
21	75
22	73
23	71
24	69
25	67
26	65
27	63
28	61
29	59
30	57

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 92% 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 (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	1	1	2	2	3	3	4	4	5	6	7
Comfortable (%)	90	90	90	90	90	90	90	90	91	91	91	92	92	93	93	94	94	95	94	94	95	94	94	94	94	93	93	93	92	91
Humid (%)	10	10	10	10	10	10	10	10	9	9	9	8	8	7	7	6	6	5	5	5	4	4	4	3	3	3	3	2	2	2

	Dry (%)	Comfortable (%)	Humid (%)
1	0	90	10
2	0	90	10
3	0	90	10
4	0	90	10
5	0	90	10
6	0	90	10
7	0	90	10
8	0	90	10
9	0	91	9
10	0	91	9
11	0	91	9
12	0	92	8
13	0	92	8
14	0	93	7
15	0	93	7
16	0	94	6
17	0	94	6
18	0	95	5
19	1	94	5
20	1	94	5
21	1	95	4
22	2	94	4
23	2	94	4
24	3	94	3
25	3	94	3
26	4	93	3
27	4	93	3
28	5	93	2
29	6	92	2
30	7	91	2

Wind in September

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

Across September, daily wind ranges from about 5 km/h on the calmest days to 6 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)	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	6	6	6	6	6	6	6	6	6	6	6	6	6
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	5	calm
2	5	calm
3	5	calm
4	5	calm
5	5	calm
6	5	calm
7	5	calm
8	5	calm
9	5	calm
10	5	calm
11	5	calm
12	5	calm
13	5	calm
14	5	calm
15	5	calm
16	5	calm
17	5	calm
18	6	calm
19	6	calm
20	6	calm
21	6	calm
22	6	calm
23	6	calm
24	6	calm
25	6	calm
26	6	calm
27	6	calm
28	6	calm
29	6	calm
30	6	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 6:24 AM to 6:23 AM, and sunset from 6:38 PM to 6:18 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	12.2	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	11.9	11.9	11.9	11.9
Sunrise (AM)	6:24	6:24	6:24	6:24	6:24	6:24	6:24	6:24	6:24	6:24	6:24	6:24	6:24	6:24	6:24	6:24	6:24	6:24	6:24	6:24	6:24	6:24	6:23	6:23	6:23	6:23	6:23	6:23	6:23	6:23
Sunset (PM)	6:38	6:37	6:36	6:36	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	6:25	6:25	6:24	6:23	6:23	6:22	6:21	6:21	6:20	6:19	6:19	6:18

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	12.2	6:24	6:38
2	12.2	6:24	6:37
3	12.2	6:24	6:36
4	12.2	6:24	6:36
5	12.2	6:24	6:35
6	12.2	6:24	6:34
7	12.2	6:24	6:34
8	12.1	6:24	6:33
9	12.1	6:24	6:32
10	12.1	6:24	6:32
11	12.1	6:24	6:31
12	12.1	6:24	6:30
13	12.1	6:24	6:30
14	12.1	6:24	6:29
15	12.1	6:24	6:28
16	12.1	6:24	6:28
17	12.1	6:24	6:27
18	12.0	6:24	6:26
19	12.0	6:24	6:25
20	12.0	6:24	6:25
21	12.0	6:24	6:24
22	12.0	6:24	6:23
23	12.0	6:23	6:23
24	12.0	6:23	6:22
25	12.0	6:23	6:21
26	12.0	6:23	6:21
27	11.9	6:23	6:20
28	11.9	6:23	6:19
29	11.9	6:23	6:19
30	11.9	6:23	6:18

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 4.5 kWh/m² to a high of 6.84 kWh/m² in April across the year — September's 5.77 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)	5.3	5.4	5.4	5.4	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	5.9	5.9	5.9	6.0	6.0	6.0	6.0	6.0	6.0
Level	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright

	Solar energy (kWh/m²)	Level
1	5.3	Bright
2	5.4	Bright
3	5.4	Bright
4	5.4	Bright
5	5.5	Bright
6	5.5	Bright
7	5.5	Bright
8	5.6	Bright
9	5.6	Bright
10	5.6	Bright
11	5.7	Bright
12	5.7	Bright
13	5.7	Bright
14	5.8	Bright
15	5.8	Bright
16	5.8	Bright
17	5.8	Bright
18	5.9	Bright
19	5.9	Bright
20	5.9	Bright
21	5.9	Bright
22	5.9	Bright
23	5.9	Bright
24	5.9	Bright
25	6.0	Bright
26	6.0	Bright
27	6.0	Bright
28	6.0	Bright
29	6.0	Bright
30	6.0	Bright

Planning a trip in September

Hazard calendar for Mer’āwī

In seasonPeak

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

Mer’āwī's monsoon runs June–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 Mer’āwī?

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

4.5

Sightseeing

9th-best month of the year

3.4

Beach & pool

10th-best month of the year

September is a reasonable time to visit Mer’āwī for sightseeing.

What to pack for Mer’āwī in September

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

In September, Mer’āwī sees daytime highs around 23°C and nights near 14°C. Pack rain gear. Worth having: light clothes and sun protection. About 25 days see rain.

rain gearlight clothessun protection

UV index in Mer’āwī 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 Mer’āwī peaks around March 21 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 11 at about 10 (very high).

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	15	15	13	12	12	14	13	13	10	10
Level	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Very high

	UV index (midday)	Level
Jan	12	Extreme
Feb	13	Extreme
Mar	15	Extreme
Apr	15	Extreme
May	13	Extreme
Jun	12	Extreme
Jul	12	Extreme
Aug	14	Extreme
Sep	13	Extreme
Oct	13	Extreme
Nov	10	Extreme
Dec	10	Very high

Air quality in Mer’āwī 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 Mer’āwī is worst in October — around 41 µg/m³ PM2.5 (poor), and holds fairly steady the rest of the year.

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	37	37	35	32	28	32	27	27	36	41	41	39
Level	Poor	Poor	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Poor	Poor	Poor	Poor

	PM2.5 (µg/m³)	Level
Jan	37	Poor
Feb	37	Poor
Mar	35	Moderate
Apr	32	Moderate
May	28	Moderate
Jun	32	Moderate
Jul	27	Moderate
Aug	27	Moderate
Sep	36	Poor
Oct	41	Poor
Nov	41	Poor
Dec	39	Poor

Location & terrain

Where is Mer’āwī?

Mer’āwī sits at 11.4°N, 37.2°E, 2,000 m above sea level, in Ethiopia. The nearest listed city is Gurbetē, 24 km away.

Topography around Mer’āwī

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

Within 3 km, the terrain around Mer’āwī has only modest variations in elevation — a maximum elevation change of 172 m around an average of 2,012 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 424 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,594 m.

The land around Mer’āwī is covered by trees (40%) and cropland (28%) within 3 km, cropland (68%) within 16 km, and cropland (68%) within 80 km.

3 km

172 m

trees 40%

16 km

424 m

cropland 68%

80 km

2,594 m

cropland 68%

treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland

← August Mer’āwī year-round climate October →Best places to visit in September

September weather nearby: Gurbetē 24 km · Bahir Dar 31 km · Ādēt 38 km · Dangila 40 km · T’īs Isat 46 km · Ādīs K’idamē 48 km · Injibara 54 km · Tīlīlī 65 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 Mer’āwī (11.4167°, 37.1667°, elevation 2,000 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	22	15
2	22	14
3	22	14
4	22	14
5	22	14
6	22	14
7	22	14
8	22	14
9	22	14
10	22	14
11	22	14
12	22	14
13	22	14
14	22	14
15	23	14
16	23	14
17	23	14
18	23	14
19	23	14
20	23	14
21	23	14
22	23	14
23	23	14
24	23	14
25	23	14
26	23	14
27	23	14
28	23	14
29	23	14
30	23	14

	Clearer (%)	Cloudier (%)
1	30	70
2	32	68
3	33	67
4	35	65
5	36	64
6	38	62
7	41	59
8	43	57
9	46	54
10	48	52
11	51	49
12	53	47
13	56	44
14	57	43
15	59	41
16	62	38
17	63	37
18	65	35
19	66	34
20	68	32
21	68	32
22	69	31
23	69	31
24	70	30
25	71	29
26	71	29
27	71	29
28	71	29
29	71	29
30	71	29

	Rain chance (%)
1	98
2	97
3	97
4	97
5	96
6	96
7	95
8	94
9	93
10	93
11	92
12	90
13	89
14	88
15	86
16	84
17	83
18	81
19	79
20	77
21	75
22	73
23	71
24	69
25	67
26	65
27	63
28	61
29	59
30	57

	Dry (%)	Comfortable (%)	Humid (%)
1	0	90	10
2	0	90	10
3	0	90	10
4	0	90	10
5	0	90	10
6	0	90	10
7	0	90	10
8	0	90	10
9	0	91	9
10	0	91	9
11	0	91	9
12	0	92	8
13	0	92	8
14	0	93	7
15	0	93	7
16	0	94	6
17	0	94	6
18	0	95	5
19	1	94	5
20	1	94	5
21	1	95	4
22	2	94	4
23	2	94	4
24	3	94	3
25	3	94	3
26	4	93	3
27	4	93	3
28	5	93	2
29	6	92	2
30	7	91	2

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

	Clearer (%)	Cloudier (%)
1	30	70
2	32	68
3	33	67
4	35	65
5	36	64
6	38	62
7	41	59
8	43	57
9	46	54
10	48	52
11	51	49
12	53	47
13	56	44
14	57	43
15	59	41
16	62	38
17	63	37
18	65	35
19	66	34
20	68	32
21	68	32
22	69	31
23	69	31
24	70	30
25	71	29
26	71	29
27	71	29
28	71	29
29	71	29
30	71	29

	Rain chance (%)
1	98
2	97
3	97
4	97
5	96
6	96
7	95
8	94
9	93
10	93
11	92
12	90
13	89
14	88
15	86
16	84
17	83
18	81
19	79
20	77
21	75
22	73
23	71
24	69
25	67
26	65
27	63
28	61
29	59
30	57

	Dry (%)	Comfortable (%)	Humid (%)
1	0	90	10
2	0	90	10
3	0	90	10
4	0	90	10
5	0	90	10
6	0	90	10
7	0	90	10
8	0	90	10
9	0	91	9
10	0	91	9
11	0	91	9
12	0	92	8
13	0	92	8
14	0	93	7
15	0	93	7
16	0	94	6
17	0	94	6
18	0	95	5
19	1	94	5
20	1	94	5
21	1	95	4
22	2	94	4
23	2	94	4
24	3	94	3
25	3	94	3
26	4	93	3
27	4	93	3
28	5	93	2
29	6	92	2
30	7	91	2

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

	Clearer (%)	Cloudier (%)
1	30	70
2	32	68
3	33	67
4	35	65
5	36	64
6	38	62
7	41	59
8	43	57
9	46	54
10	48	52
11	51	49
12	53	47
13	56	44
14	57	43
15	59	41
16	62	38
17	63	37
18	65	35
19	66	34
20	68	32
21	68	32
22	69	31
23	69	31
24	70	30
25	71	29
26	71	29
27	71	29
28	71	29
29	71	29
30	71	29

	Rain chance (%)
1	98
2	97
3	97
4	97
5	96
6	96
7	95
8	94
9	93
10	93
11	92
12	90
13	89
14	88
15	86
16	84
17	83
18	81
19	79
20	77
21	75
22	73
23	71
24	69
25	67
26	65
27	63
28	61
29	59
30	57

	Dry (%)	Comfortable (%)	Humid (%)
1	0	90	10
2	0	90	10
3	0	90	10
4	0	90	10
5	0	90	10
6	0	90	10
7	0	90	10
8	0	90	10
9	0	91	9
10	0	91	9
11	0	91	9
12	0	92	8
13	0	92	8
14	0	93	7
15	0	93	7
16	0	94	6
17	0	94	6
18	0	95	5
19	1	94	5
20	1	94	5
21	1	95	4
22	2	94	4
23	2	94	4
24	3	94	3
25	3	94	3
26	4	93	3
27	4	93	3
28	5	93	2
29	6	92	2
30	7	91	2