Assab Weather in September
September in Assab averages 35°C (95°F) during the day and 30°C (86°F) at night. With only 5.3 mm (0.2 in) of rainfall expected on average, it's a largely dry month.
Rainfall in Assab in September
Expect around a single day of rain based on historical data, with 5.3 mm (0.2 in) average. Any rain that does arrive is likely to be fairly light and short-lived.
Temperature in Assab in September
In September, expect extremely high temperatures in Assab, with highs of 35°C (95°F) and lows of 30°C (86°F) at night. For most visitors, the main thing to prepare for is the heat during the day. Nights are warm at 30°C (86°F), which can make sleeping uncomfortable. Keeping windows open or using a fan can help. A cold shower before bed is also a good way to cool down.September in Assab can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Eritrea, check out our Assab's climate page.
Assab Temperature in September
Min Temperature
30°C (86°F)
Max Temperature
35°C (95°F)
Chance of Rain
4%
Precipitation
5.3 mm (0.2 in)
Rainy days
a single day
Humidity
64%
Historical weather for Assab in September
Browse day-by-day weather records for Assab spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Assab historical weather extremes in September
The extremes listed below come from historical weather data collected in Assab from 2006 through 2025.
- The hottest September day on record in Assab reached 47°C (117°F) (September 27, 2020).
- The lowest daytime temperature in September was 31°C (88°F), recorded on September 27, 2025.
- Assab registered its coldest September night on September 1, 2019, with temperatures dropping to 15°C (59°F).
Best Places in Eritrea in September
Find out more about the weather in Eritrea and which places have the best travel conditions in this month. See all of Eritrea in September →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Assab in September
Hot weather in September means keeping cool is the priority. Loose-fitting clothes in natural fabrics work best. Pack plenty of shorts, tank tops, and breathable shirts. Don't forget a hat, swimwear, and comfortable sandals. With minimal rainfall expected, you can leave the rain gear at home.What To Do in Assab in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Eritrea, check out our Assab's climate page.
See the full Assab climate overview or explore weather in Eritrea.
