Keren in Fall
In fall (September, October and November), Keren sees average daytime highs around 27°C and overnight lows near 15°C, with 132 mm of rain over about 19 wet days across the season. It is the 2nd-warmest season and the 2nd-wettest season.
Across fall, daytime highs hold fairly steady around 27°C. The sky is clear or mostly clear about 76% of the time across fall, and the air most often feels dry.
Fall is Keren's 2nd-best season to visit on our travel score. For the whole year in context, see Keren's year-round climate.
- Avg daytime high
- 27°C
- 2nd-warmest season
- Avg overnight low
- 15°C
- Rainfall
- 132 mm
- 19 wet days
- Avg wind
- 7 km/h
- Travel score
- 7.4
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Keren in Fall
Across fall, daytime highs hold fairly steady around 27°C.
A typical fall day in Keren reaches about 27°C and drops to 15°C overnight. The warmest of the three months is October, the coolest November.
Keren weather by month
How the three fall months (September, October and November) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 27° / 14° | 1 | 0.1 | 11.2 | 8.8 |
| Feb | 28° / 15° | 1 | 0.1 | 11.5 | 8.1 |
| Mar | 30° / 16° | 5 | 1.8 | 11.9 | 6.6 |
| Apr | 31° / 17° | 13 | 4.9 | 12.3 | 5.4 |
| May | 32° / 18° | 20 | 5.6 | 12.7 | 4.9 |
| Jun | 30° / 19° | 42 | 11 | 12.9 | 5.3 |
| Jul | 26° / 17° | 86 | 20.1 | 12.8 | 5.2 |
| Aug | 24° / 17° | 193 | 28.3 | 12.5 | 4.1 |
| Sep | 27° / 16° | 123 | 16.8 | 12.1 | 5.7 |
| Oct | 28° / 15° | 6 | 1.6 | 11.6 | 7.9 |
| Nov | 27° / 15° | 3 | 0.9 | 11.3 | 8.7 |
| Dec | 26° / 14° | 1 | 0.1 | 11.1 | 8.9 |
Cloud cover in Fall
The sky is clear or mostly clear about 76% of the time across fall.
Chance of precipitation in Fall
Keren gets around 132 mm of rain over 19 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 7 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 18 min in early September to 11 h 06 min by late November. The lit band spans sunrise to sunset each day.
Solar energy in Fall
Average shortwave solar energy reaching the ground each day across fall, about 5.9 kWh/m².
Hazard calendar for Keren
None of Keren's seasonal hazards peak in fall. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Keren sees seasonal dust haze (June–August), heaviest in July.
Is fall a good time to visit Keren?
Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
fall is one of the better times to visit Keren for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Keren in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Keren sees daytime highs around 27°C and nights near 15°C. Pack light clothes, rain gear and sun protection. About 19 days see rain.
UV index in Keren in Fall
Clear-sky midday UV across fall averages around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Keren peaks around April 14 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 13 at about 8 (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) | 10 | 12 | 14 | 14 | 13 | 11 | 10 | 10 | 12 | 11 | 9 | 8 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Extreme | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 10 | Extreme |
| Feb | 12 | Extreme |
| Mar | 14 | Extreme |
| Apr | 14 | Extreme |
| May | 13 | Extreme |
| Jun | 11 | Extreme |
| Jul | 10 | Very high |
| Aug | 10 | Extreme |
| Sep | 12 | Extreme |
| Oct | 11 | Extreme |
| Nov | 9 | Very high |
| Dec | 8 | Very high |
Air quality in Keren in Fall
Average fine-particle pollution (PM2.5) through the year — so you can see where fall falls, not just the annual average.
Air quality in Keren is worst in May — around 23 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (December, 14 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) | 17 | 18 | 23 | 21 | 23 | 22 | 22 | 20 | 17 | 19 | 15 | 14 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 17 | Moderate |
| Feb | 18 | Moderate |
| Mar | 23 | Moderate |
| Apr | 21 | Moderate |
| May | 23 | Moderate |
| Jun | 22 | Moderate |
| Jul | 22 | Moderate |
| Aug | 20 | Moderate |
| Sep | 17 | Moderate |
| Oct | 19 | Moderate |
| Nov | 15 | Moderate |
| Dec | 14 | Moderate |
Where is Keren?
Keren sits at 15.8°N, 38.5°E, 1,399 m above sea level, in Eritrea. The nearest listed city is Asmara, 71 km away.
Topography around Keren
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Keren.
Within 3 km, the terrain around Keren has significant variations in elevation — a maximum elevation change of 412 m around an average of 1,420 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,346 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,515 m.
The land around Keren is covered by grassland (48%) and cropland (23%) within 3 km, grassland (46%) and shrubs (37%) within 16 km, and grassland (47%), shrubs (23%) and bare terrain (22%) within 80 km.
Eritrea travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / L
- 230 V · 50 Hz
- Prices
- ≈ 33% of US
- price level, 2021
- GDP per capita
- $689
- 2011
- Homicide rate
- 15.6
- per 100k, 2012
- Road deaths
- 37.9
- per 100k/yr, 2019
- Income group
- Low
- World Bank
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 Keren (15.7779°, 38.4511°, elevation 1,399 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.