Mersa weather in September
In September, Mersa sees average daytime highs of 29°C and overnight lows near 17°C, with 10 mm of rain across 2.8 wet days and about 12.1 hours of daylight. It is the 5th-warmest and 11th-wettest month of the year here.
Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 68% 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 Mersa's 4th-clearest and 4th-windiest month. For the whole year in context, see Mersa's year-round climate.
- Daytime high
- 29°
- 5th warmest
- Overnight low
- 17°
- 8th coldest
- Rainfall
- 10 mm
- 2.8 wet days
- Daylight
- 12 h 06 min
- 6:14 AM – 6:18 PM
- Cloud cover
- 35%
- 4th clearest
- Wind
- 6 km/h
- 4th windiest
- Solar energy
- 5.95 kWh/m²
- Travel score
- 6.8
- out of 10
Temperature in September
Day-to-day highs hold fairly steady near 29°C through the month.
A typical September day in Mersa reaches about 29°C in the afternoon and slips back to 17°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 31°C. Set against its neighbours, September runs on par with August and about 2°C warmer 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) | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 28 |
| Avg low (°C) | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 29 | 17 |
| 2 | 29 | 17 |
| 3 | 29 | 17 |
| 4 | 29 | 17 |
| 5 | 29 | 17 |
| 6 | 29 | 17 |
| 7 | 29 | 17 |
| 8 | 29 | 17 |
| 9 | 29 | 17 |
| 10 | 29 | 17 |
| 11 | 29 | 17 |
| 12 | 29 | 17 |
| 13 | 29 | 17 |
| 14 | 29 | 17 |
| 15 | 29 | 17 |
| 16 | 29 | 17 |
| 17 | 29 | 17 |
| 18 | 29 | 17 |
| 19 | 29 | 17 |
| 20 | 29 | 17 |
| 21 | 29 | 17 |
| 22 | 29 | 17 |
| 23 | 29 | 17 |
| 24 | 29 | 17 |
| 25 | 29 | 17 |
| 26 | 28 | 17 |
| 27 | 28 | 17 |
| 28 | 28 | 17 |
| 29 | 28 | 17 |
| 30 | 28 | 17 |
Mersa weather by month
How September compares with the rest of the year at a glance. September is the 5th-warmest and 11th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 24° / 13° | 69 | 9.2 | 11.4 | 7.4 |
| Feb | 25° / 14° | 56 | 8 | 11.6 | 7.2 |
| Mar | 27° / 15° | 134 | 13.8 | 11.9 | 6.3 |
| Apr | 28° / 16° | 98 | 11.7 | 12.3 | 6.3 |
| May | 30° / 17° | 23 | 4.1 | 12.5 | 6.1 |
| Jun | 31° / 18° | 3 | 0.4 | 12.7 | 5.5 |
| Jul | 30° / 18° | 39 | 7.7 | 12.6 | 5.3 |
| Aug | 29° / 17° | 59 | 10.6 | 12.4 | 5.6 |
| Sep | 29° / 17° | 10 | 2.8 | 12.1 | 6.8 |
| Oct | 27° / 16° | 13 | 2.9 | 11.7 | 8.0 |
| Nov | 26° / 13° | 24 | 3.4 | 11.5 | 8.4 |
| Dec | 25° / 12° | 38 | 4.7 | 11.3 | 8.3 |
Cloud cover in September
The sky is clear or mostly clear about 68% of the time in September.
Beyond those clear spells, partly cloudy skies cover about 18% of September, with mostly cloudy or overcast conditions the remaining 13%.
| 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 (%) | 83 | 83 | 84 | 84 | 85 | 86 | 86 | 86 | 87 | 87 | 87 | 88 | 88 | 88 | 88 | 89 | 89 | 89 | 89 | 88 | 88 | 88 | 88 | 87 | 87 | 87 | 87 | 86 | 86 | 86 |
| Cloudier (%) | 17 | 17 | 16 | 16 | 15 | 14 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 14 | 14 | 14 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 83 | 17 |
| 2 | 83 | 17 |
| 3 | 84 | 16 |
| 4 | 84 | 16 |
| 5 | 85 | 15 |
| 6 | 86 | 14 |
| 7 | 86 | 14 |
| 8 | 86 | 14 |
| 9 | 87 | 13 |
| 10 | 87 | 13 |
| 11 | 87 | 13 |
| 12 | 88 | 12 |
| 13 | 88 | 12 |
| 14 | 88 | 12 |
| 15 | 88 | 12 |
| 16 | 89 | 11 |
| 17 | 89 | 11 |
| 18 | 89 | 11 |
| 19 | 89 | 11 |
| 20 | 88 | 12 |
| 21 | 88 | 12 |
| 22 | 88 | 12 |
| 23 | 88 | 12 |
| 24 | 87 | 13 |
| 25 | 87 | 13 |
| 26 | 87 | 13 |
| 27 | 87 | 13 |
| 28 | 86 | 14 |
| 29 | 86 | 14 |
| 30 | 86 | 14 |
Chance of precipitation in September
Mersa gets around 10 mm of rain over 2.8 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 10% and peaks near 19% 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 (%) | 19 | 18 | 18 | 17 | 16 | 15 | 14 | 13 | 13 | 12 | 11 | 10 | 10 | 9 | 8 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 8 | 8 | 9 | 9 | 10 |
| Rain chance (%) | |
|---|---|
| 1 | 19 |
| 2 | 18 |
| 3 | 18 |
| 4 | 17 |
| 5 | 16 |
| 6 | 15 |
| 7 | 14 |
| 8 | 13 |
| 9 | 13 |
| 10 | 12 |
| 11 | 11 |
| 12 | 10 |
| 13 | 10 |
| 14 | 9 |
| 15 | 8 |
| 16 | 7 |
| 17 | 7 |
| 18 | 6 |
| 19 | 6 |
| 20 | 6 |
| 21 | 6 |
| 22 | 6 |
| 23 | 6 |
| 24 | 7 |
| 25 | 7 |
| 26 | 8 |
| 27 | 8 |
| 28 | 9 |
| 29 | 9 |
| 30 | 10 |
Humidity in September
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 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 (%) | 85 | 85 | 87 | 88 | 88 | 89 | 90 | 90 | 91 | 91 | 92 | 93 | 93 | 94 | 95 | 95 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 95 | 95 | 94 | 94 | 93 | 92 | 92 |
| Comfortable (%) | 14 | 14 | 13 | 12 | 12 | 11 | 10 | 10 | 9 | 9 | 8 | 7 | 7 | 6 | 5 | 5 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 5 | 5 | 6 | 6 | 7 | 8 | 8 |
| Humid (%) | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Dry (%) | Comfortable (%) | Humid (%) | |
|---|---|---|---|
| 1 | 85 | 14 | 1 |
| 2 | 85 | 14 | 1 |
| 3 | 87 | 13 | 0 |
| 4 | 88 | 12 | 0 |
| 5 | 88 | 12 | 0 |
| 6 | 89 | 11 | 0 |
| 7 | 90 | 10 | 0 |
| 8 | 90 | 10 | 0 |
| 9 | 91 | 9 | 0 |
| 10 | 91 | 9 | 0 |
| 11 | 92 | 8 | 0 |
| 12 | 93 | 7 | 0 |
| 13 | 93 | 7 | 0 |
| 14 | 94 | 6 | 0 |
| 15 | 95 | 5 | 0 |
| 16 | 95 | 5 | 0 |
| 17 | 96 | 4 | 0 |
| 18 | 96 | 4 | 0 |
| 19 | 96 | 4 | 0 |
| 20 | 96 | 4 | 0 |
| 21 | 96 | 4 | 0 |
| 22 | 96 | 4 | 0 |
| 23 | 96 | 4 | 0 |
| 24 | 95 | 5 | 0 |
| 25 | 95 | 5 | 0 |
| 26 | 94 | 6 | 0 |
| 27 | 94 | 6 | 0 |
| 28 | 93 | 7 | 0 |
| 29 | 92 | 8 | 0 |
| 30 | 92 | 8 | 0 |
Wind in September
Winds average 6 km/h in September.
Across September, daily wind ranges from about 6 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) | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 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 | 6 | calm |
| 2 | 6 | calm |
| 3 | 6 | calm |
| 4 | 6 | calm |
| 5 | 6 | calm |
| 6 | 6 | calm |
| 7 | 6 | calm |
| 8 | 6 | calm |
| 9 | 6 | calm |
| 10 | 6 | calm |
| 11 | 6 | calm |
| 12 | 6 | calm |
| 13 | 6 | calm |
| 14 | 6 | calm |
| 15 | 6 | calm |
| 16 | 6 | calm |
| 17 | 6 | 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
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 6:14 AM to 6:13 AM, and sunset from 6:28 PM to 6:08 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 | 12.2 | 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) | 6:14 | 6:14 | 6:14 | 6:14 | 6:14 | 6:14 | 6:14 | 6:14 | 6:14 | 6:14 | 6:14 | 6:14 | 6:14 | 6:14 | 6:14 | 6:14 | 6:14 | 6:14 | 6:14 | 6:14 | 6:14 | 6:14 | 6:14 | 6:14 | 6:14 | 6:13 | 6:13 | 6:13 | 6:13 | 6:13 |
| Sunset (PM) | 6:28 | 6:27 | 6:27 | 6:26 | 6:25 | 6:25 | 6:24 | 6:23 | 6:23 | 6:22 | 6:21 | 6:20 | 6:20 | 6:19 | 6:18 | 6:18 | 6:17 | 6:16 | 6:16 | 6:15 | 6:14 | 6:13 | 6:13 | 6:12 | 6:11 | 6:11 | 6:10 | 6:09 | 6:09 | 6:08 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.2 | 6:14 | 6:28 |
| 2 | 12.2 | 6:14 | 6:27 |
| 3 | 12.2 | 6:14 | 6:27 |
| 4 | 12.2 | 6:14 | 6:26 |
| 5 | 12.2 | 6:14 | 6:25 |
| 6 | 12.2 | 6:14 | 6:25 |
| 7 | 12.2 | 6:14 | 6:24 |
| 8 | 12.2 | 6:14 | 6:23 |
| 9 | 12.1 | 6:14 | 6:23 |
| 10 | 12.1 | 6:14 | 6:22 |
| 11 | 12.1 | 6:14 | 6:21 |
| 12 | 12.1 | 6:14 | 6:20 |
| 13 | 12.1 | 6:14 | 6:20 |
| 14 | 12.1 | 6:14 | 6:19 |
| 15 | 12.1 | 6:14 | 6:18 |
| 16 | 12.1 | 6:14 | 6:18 |
| 17 | 12.1 | 6:14 | 6:17 |
| 18 | 12.0 | 6:14 | 6:16 |
| 19 | 12.0 | 6:14 | 6:16 |
| 20 | 12.0 | 6:14 | 6:15 |
| 21 | 12.0 | 6:14 | 6:14 |
| 22 | 12.0 | 6:14 | 6:13 |
| 23 | 12.0 | 6:14 | 6:13 |
| 24 | 12.0 | 6:14 | 6:12 |
| 25 | 12.0 | 6:14 | 6:11 |
| 26 | 12.0 | 6:13 | 6:11 |
| 27 | 11.9 | 6:13 | 6:10 |
| 28 | 11.9 | 6:13 | 6:09 |
| 29 | 11.9 | 6:13 | 6:09 |
| 30 | 11.9 | 6:13 | 6:08 |
Solar energy in September
Average shortwave solar energy reaching the ground each day in September, about 5.95 kWh/m².
For context, solar energy here swings from a low near 5.22 kWh/m² to a high of 6.57 kWh/m² in April across the year — September's 5.95 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) | 5.9 | 5.9 | 5.9 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 5.8 | 5.8 | 5.8 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Intense | Intense | Intense | Intense | Intense | Intense | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 5.9 | Bright |
| 2 | 5.9 | Bright |
| 3 | 5.9 | Bright |
| 4 | 6.0 | Bright |
| 5 | 6.0 | Bright |
| 6 | 6.0 | Bright |
| 7 | 6.0 | Bright |
| 8 | 6.0 | Bright |
| 9 | 6.0 | Intense |
| 10 | 6.0 | Intense |
| 11 | 6.0 | Intense |
| 12 | 6.0 | Intense |
| 13 | 6.0 | Intense |
| 14 | 6.0 | Intense |
| 15 | 6.0 | Bright |
| 16 | 6.0 | Bright |
| 17 | 6.0 | Bright |
| 18 | 6.0 | Bright |
| 19 | 6.0 | Bright |
| 20 | 5.9 | Bright |
| 21 | 5.9 | Bright |
| 22 | 5.9 | Bright |
| 23 | 5.9 | Bright |
| 24 | 5.9 | Bright |
| 25 | 5.9 | Bright |
| 26 | 5.9 | Bright |
| 27 | 5.9 | Bright |
| 28 | 5.8 | Bright |
| 29 | 5.8 | Bright |
| 30 | 5.8 | Bright |
Hazard calendar for Mersa
None of Mersa's seasonal hazards are active in September. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
Mersa's rainy season runs January–January, when most of the year's rain falls.
Mersa sees seasonal dust haze (June–August), heaviest in July.
Is September a good time to visit Mersa?
Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
September is a reasonable time to visit Mersa for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Mersa in September
From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In September, Mersa sees daytime highs around 29°C and nights near 17°C. Pack light clothes. Worth having: sun protection.
UV index in Mersa in September
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 Mersa peaks around March 19 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 12 at about 10 (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 | 15 | 14 | 13 | 13 | 11 | 13 | 13 | 13 | 11 | 10 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 12 | Extreme |
| Feb | 13 | Extreme |
| Mar | 15 | Extreme |
| Apr | 14 | Extreme |
| May | 13 | Extreme |
| Jun | 13 | Extreme |
| Jul | 11 | Extreme |
| Aug | 13 | Extreme |
| Sep | 13 | Extreme |
| Oct | 13 | Extreme |
| Nov | 11 | Extreme |
| Dec | 10 | Extreme |
Air quality in Mersa in September
Average fine-particle pollution (PM2.5) through the year — so you can see where September falls, not just the annual average.
Air quality in Mersa is worst in June — around 38 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) | 29 | 30 | 32 | 28 | 33 | 38 | 34 | 37 | 38 | 29 | 26 | 28 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Poor | Moderate | Poor | Poor | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 29 | Moderate |
| Feb | 30 | Moderate |
| Mar | 32 | Moderate |
| Apr | 28 | Moderate |
| May | 33 | Moderate |
| Jun | 38 | Poor |
| Jul | 34 | Moderate |
| Aug | 37 | Poor |
| Sep | 38 | Poor |
| Oct | 29 | Moderate |
| Nov | 26 | Moderate |
| Dec | 28 | Moderate |
Where is Mersa?
Mersa sits at 11.7°N, 39.6°E, 1,721 m above sea level, in Ethiopia. The nearest listed city is Weldiya, 19 km away.
Topography around Mersa
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Mersa.
Within 3 km, the terrain around Mersa has significant variations in elevation — a maximum elevation change of 451 m around an average of 1,673 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,229 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,515 m.
The land around Mersa is covered by cropland (48%) and shrubs (33%) within 3 km, shrubs (41%) and cropland (37%) within 16 km, and shrubs (36%), cropland (29%) and grassland (28%) within 80 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 Mersa (11.6667°, 39.65°, elevation 1,721 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).