Piazza Weather in September

September in Piazza averages 21°C (70°F) during the day and 11°C (52°F) at night. September is part of the rainy season, with around 302 mm (12 in) of rainfall and frequent showers.

Rainfall in Piazza in September

As part of the rainy season, Piazza sees around 11 days of rain in September, with an average of 302 mm (12 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 Piazza in September

Piazza in September gets highs of 21°C (70°F) during the day and drops to 11°C (52°F) at night. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. Nights drop to around 11°C (52°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Piazza 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 Piazza in September

Average wind conditions reach 2 m/s (4 knots) in September. This creates comfortable weather with light winds that gently move vegetation. Keep in mind this is an average. Daily conditions range from near-calm to more noticeable wind.

September in Piazza 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.

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

Piazza Temperature in September

Min Temperature 11°C (52°F)  

Max Temperature 21°C (70°F)  

Chance of Rain 38%  

Precipitation 302 mm (12 in)  

Rainy days 11 days  

Humidity 74% *  

Windspeed 2 m/s (4 knots) *  

Sunshine 162 hours *  

Percentage Sunshine *  

* Data from: Addis Ababa, Ethiopia (8 KM, 5 Miles).

Daily Historical Temperatures

44-year average (1976-2025)

Based on our historical records, temperatures in Piazza 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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Historical weather for Piazza in September

Browse day-by-day weather records for Piazza 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 ›

Piazza historical weather extremes in September

Based on weather observations in Piazza between 2005 and 2025, these are the recorded extremes during September.

• The hottest September day on record in Piazza reached 31°C (88°F) (September 22, 2023).
• The lowest daytime temperature in September was 16°C (61°F), recorded on September 4, 2020.
• The coldest night in September in Piazza was on September 20, 2009, with a minimum of 5°C (41°F).
• The wettest day in September Piazza was on September 12, 2006 with 110 mm (4.3 in) of precipitation.

What to Wear in Piazza in September

For Piazza in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Also bring a poncho, it will rain a lot! Waterproof everything you can. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Piazza 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 Piazza's climate page.

More climate data for Piazza

Temperature Rainfall Sunshine Humidity Wind Speed

See the full Piazza climate overview or explore weather in Ethiopia.