Weather in Addis Ababa in September 2025
Average weather
Average temperature in Addis Ababa in September
The expected average maximum temperature in September is +22°C with a maximum of +23°C and a minimum of +11°C.
The average maximum temperature goes up 8% by the end of the month, compared with the beginning of the month, from +22°C to +23°C.
Is Addis Ababa warm or cold in September?
Addis Ababa is typically mild in September.
Maximum temperatures go up compared to the previous month from +20°C to +21°C. The minimum temperature also goes up from +11°C to +11°C.
Pack a light jacket as it will be warm in the day and cool in the evenings.
September is one of the coolest months in Addis Ababa, here is the comparison with other months:
Climate in Addis Ababa in September
| August | September | October | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +20°C | +21°C | +22°C | ||||
| Min. temperature | ||||||
| +8°C | +6°C | +3°C | ||||
| Max. temperature | ||||||
| +24°C | +25°C | +26°C | ||||
| Rainfall | ||||||
| 227 mm | 135 mm | 27 mm | ||||
| Wind | ||||||
| 1 m/s | 1 m/s | 2 m/s | ||||
| Humidity | ||||||
| 82% | 77% | 59% | ||||
| Air pressure | ||||||
| 1017 HPa | 1017 HPa | 1017 HPa | ||||
| Sunny days | ||||||
| 0 | 1 | 10 | ||||
| Cloudy days | ||||||
| 0 | 1 | 11 | ||||
| Rainy days | ||||||
| 22 | 21 | 9 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
September weather is still as ok as in August. It’s getting warmer as September arrives. The average maximum temperature goes up from +20°C to +21°C during the day. As September arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 227 mm to 135 mm. It feels drier, as humidity decreases from 82% to 77%. 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 1.
But maybe it is worth considering traveling in October as the weather gets better.
Wind
The average wind speed is 2 m/s getting up to 3 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Addis Ababa 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 Addis Ababa?
Climate Change over Years
The climate in Addis Ababa 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 (+24°C). The driest year was 1997 with only 714 mm of rainfall, and the wettest year was 2023 with 2253 mm.
FAQ
Is September a good time to visit Addis Ababa?
Can you sunbathe in Addis Ababa in September?
Is Addis Ababa rainy in September?
Is it sunny in Addis Ababa in September?
Other cities in Ethiopia
Monthly weather in Addis Ababa
Source of the data
For this page, we’ve looked at the typical weather in Addis Ababa, 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.