Weather in Asmara in September 2025
Average weather
Average temperature in Asmara in September
The expected average maximum temperature in September is +26°C with a maximum of +28°C and a minimum of +12°C.
The average maximum temperature goes up 19% by the end of the month, compared with the beginning of the month, from +24°C to +27°C.
Is Asmara warm or cold in September?
Asmara is typically warm in September.
Maximum temperatures go up compared to the previous month from +22°C to +24°C. The minimum temperature also goes down from +14°C to +13°C.
It’s generally warm, but pack a long-sleeve shirt for evenings.
September is one of the warmest months in Asmara, here is the comparison with other months:
Climate in Asmara in September
| August | September | October | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +22°C | +24°C | +22°C | ||||
| Min. temperature | ||||||
| +11°C | +10°C | +8°C | ||||
| Max. temperature | ||||||
| +27°C | +28°C | +26°C | ||||
| Rainfall | ||||||
| 403 mm | 98 mm | 34 mm | ||||
| Wind | ||||||
| 1 m/s | 1 m/s | 1 m/s | ||||
| Humidity | ||||||
| 87% | 69% | 67% | ||||
| Air pressure | ||||||
| 1014 HPa | 1014 HPa | 1015 HPa | ||||
| Sunny days | ||||||
| 0 | 5 | 11 | ||||
| Cloudy days | ||||||
| 0 | 2 | 7 | ||||
| Rainy days | ||||||
| 28 | 21 | 12 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
September often has better weather than August. It’s getting warmer as September arrives. The average maximum temperature goes up from +22°C to +24°C during the day. As September arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 403 mm to 98 mm. It feels drier, as humidity decreases from 87% to 69%. The average wind speed doesn’t change much during September, staying around 1 m/s. The good news is there are likely to be more sunny days in September, from 0 to 5.
October brings much the same weather, it remains good.
Wind
The average wind speed is 1 m/s getting up to 2 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Asmara is gradually increasing during September, going from 2 m/s to 2 m/s over the course of the month.
Rain
How was the weather last September in Asmara?
Climate Change over Years
The climate in Asmara in September has not changed much over the last 43 years.
The average temperature was the lowest in 1985 (+21°C) and the highest in 2015 (+23°C). The driest year was 1990 with only 531 mm of rainfall, and the wettest year was 1985 with 1532 mm.
FAQ
Is September a good time to visit Asmara?
Can you sunbathe in Asmara in September?
Is Asmara rainy in September?
Is it sunny in Asmara in September?
Monthly weather in Asmara
Source of the data
For this page, we’ve looked at the typical weather in Asmara, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.