Climate guide for Asmara, Eritrea

Asmara in September

Weather, crowds & best time to visit

How to read the score (0–10)
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September · Eritrea

Best time to visit Asmara in September Weather, crowds & prices

Weather in Asmara in September

Average temperature 18°C, 14 mm of rain, about 30 days with 6+ hours of sunshine and 58% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

September score

9.9/10

Ranked #3 of 12 months

Full year for Asmara
Avg temp
18°C
Rainfall
14 mm
Humidity
58%
Days with 6h+ sun
30
Crowd Density
Moderate Crowds
Average Expenses
$$$ · Peak Season Rates ($$$)

September in Asmara scores 9.9/10 for sightseeing and cultural travel - one of the top 12-month picks (#3). Expect around 18°C, 14 mm of rain, and roughly 30 days with 6+ hours of sunshine this month.

Asmara is Eritrea's highland capital, recognized for Italian modernist architecture, broad avenues, cafés, markets, and a dry, elevated climate.

September is one of the strongest months in Asmara (3rd)

Temperatures hover around 18°C (64°F) — the kind of month where neither heat nor cold forces the schedule.

At just 14 mm for the month, rain will not shape your plans; you get about 30 days with 6+ hours of sunshine and 12.2 hours of daylight.

On our climate-comfort scale this is one of the strongest months of the year for Asmara at 9.9/10 (3rd of 12), just behind June at 10/10.

Pack layers you can shed by midday plus one warm layer for the evening.

Expect peak pricing, and crowds are moderate. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Asmara in September?
In September, Asmara averages 18°C, 14 mm of rain, and about 30 days with 6+ hours of sunshine. Its climate-comfort score is 9.9/10.
Is September a good time to visit Asmara?
September earns a 9.9/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Asmara in September?
Expect about 14 mm of rain in September. Average humidity is 58% and there are about 30 days with 6+ hours of sunshine.

Curated in Asmara

Tickets & experiences

Things to do in Asmara

Asmara, Eritrea. Live activities and tours from GetYourGuide, matched to this destination.