Addis Ababa Weather in September

September in Addis Ababa averages 21°C (70°F) during the day and 11°C (52°F) at night. September is part of the rainy season, with around 277 mm (11 in) of rainfall and frequent showers.

Rainfall in Addis Ababa in September

Addis Ababa is in the rainy season in September, with rain on around 11 days and an average of 277 mm (11 in). Showers during the rainy season tend to be heavy and can come down intensely. An umbrella is often not enough, so a poncho or waterproof jacket is a better choice.

Temperature in Addis Ababa in September

September in Addis Ababa brings typical temperatures with highs around 21°C (70°F) and lows of 11°C (52°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights cool down to 11°C (52°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Addis Ababa in September

The area experiences a moderate amount of sunshine, with approximately 162 hours of sunlight expected. Even though this month is part of the rainy season, you could still see the sun every now and then.

Wind Speed in Addis Ababa in September

September sees wind speeds averaging 2 m/s (4 knots). You'll typically experience pleasant light breezes that move leaves slightly and feel refreshing. As an average, expect variation from very calm days to periods with more apparent air movement.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. January, February, March, October, November and December typically offer the best weather for Addis Ababa.

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For a detailed overview over the year and the best time to visit Ethiopia, check out our Addis Ababa's climate page.

Addis Ababa Temperature in September

Min Temperature 11°C (52°F)  

Max Temperature 21°C (70°F)  

Chance of Rain 37%  

Precipitation 277 mm (11 in)  

Rainy days 11 days  

Humidity 74%  

Windspeed 2 m/s (4 knots)  

Sunshine 162 hours  

Percentage Sunshine  

Daily Historical Temperatures

44-year average (1976-2025)

Based on our historical records, temperatures in Addis Ababa typically stay consistent throughout September, with daily highs averaging around 21°C (70°F). Nights are cool, with lows around 12°C (54°F).

Average temperatures in September

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Daily Historical Precipitation

44-year average (1976-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in September

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‹ January February March April May June July August September October November December ›

Historical weather for Addis Ababa in September

Browse day-by-day weather records for Addis Ababa spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Historical weather Temperatures Precipitation

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‹ January February March April May June July August September October November December ›

Addis Ababa historical weather extremes in September

Our historical data for Addis Ababa spans 2005 to 2025, revealing these weather extremes.

• On September 22, 2023, temperatures climbed to 31°C (88°F), marking the warmest September day on record.
• Addis Ababa experienced its chilliest September day on September 4, 2020, reaching only 16°C (61°F).
• Addis Ababa registered its coldest September night on September 20, 2009, with temperatures dropping to 5°C (41°F).
• The heaviest September precipitation occurred on September 12, 2006, when 110 mm (4.3 in) of precipitation fell.

What to Wear in Addis Ababa in September

Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. It's going to pour! Pack a good poncho and prepare for very wet conditions. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Addis Ababa in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

6/10

Camping

6/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Ethiopia, check out our Addis Ababa's climate page.

More climate data for Addis Ababa

Temperature Rainfall Sunshine Humidity Wind Speed

See the full Addis Ababa climate overview or explore weather in Ethiopia.