Eritrea
Eritrea in September
Where it is warm, dry and good for swimming in Eritrea in September — compared across the country’s main destinations.
Quick answers
- Where is it warmest in Eritrea in September?
- Assab is the warmest of the 16 destinations compared, with highs of 37°C (99°F) in September; Adi Keyh is the coolest at 26°C (78°F).
- Can you swim in the sea in Eritrea in September?
- Yes, in places: the warmest water is at Dehalak’ Kebīr (32°C (90°F)), and 1 of the coastal destinations have a sea of 21 °C or more.
Warmest
37°
Assab
Coolest
26°
Adi Keyh
Driest
5 mm
Massawa
Warmest sea
32°
Dehalak’ Kebīr
September in Eritrea ranges from 26°C (78°F) in Adi Keyh to 37°C (99°F) in Assab — a spread of 12 degrees across the country. On average it is about as warm as August. Most destinations stay largely dry. Best bets this month: Massawa, Asmara, and Keren.
Weather in September by city
| Place | Day | Night | Rain | Sea | Score |
|---|---|---|---|---|---|
| Massawa | 28° | 18° | 5 mm | — | 99 |
| Dehalak’ Kebīr | 30° | 19° | 5 mm | 32° | 99 |
| Asmara | 27° | 11° | 36 mm | — | 91 |
| Adi Keyh | 26° | 11° | 25 mm | — | 91 |
| Dek’emhāre | 27° | 13° | 34 mm | — | 88 |
| Āreza | 28° | 14° | 56 mm | — | 87 |
| Mendefera | 28° | 13° | 49 mm | — | 85 |
| Debarwa | 28° | 13° | 45 mm | — | 83 |
| Keren | 31° | 17° | 39 mm | — | 68 |
| Edd | 37° | 26° | 6 mm | — | 64 |
| Af’abet | 33° | 19° | 25 mm | — | 61 |
| Barentu | 33° | 19° | 74 mm | — | 60 |
| Assab | 37° | 29° | 5 mm | — | 60 |
| Himora | 33° | 21° | 96 mm | — | 57 |
| Teseney | 34° | 21° | 72 mm | — | 52 |
| Agordat | 36° | 23° | 43 mm | — | 44 |
Frequently asked questions
What is the weather like in Eritrea in September?
Average daytime highs range from 26° in Adi Keyh to 37° in Assab.
Can you swim in Eritrea in September?
Yes — the sea is warmest around Dehalak’ Kebīr at about 32°.