September weather forecast
Addis Ababa, Ethiopia

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A white statue of Jesus Christ looking down to the Bole Medhane Alem Church in Addis Ababa, Ethiopia
A white statue of Jesus Christ looking down to the Bole Medhane Alem Church in Addis Ababa, Ethiopia

Weather in September

September sees a change of weather back to a more sunny and less rainy condition as compared to August. The weather in Addis Ababa during this time sees a significant decrease in rainfall and a considerable increase in sunlight, indicating a move towards the drier season. Temperatures begin to rise again and the evenings have a pleasant chill to them. The wind speed sees a slight increase compared to the previous month. Nevertheless, the city maintains its warm to cool temperature spectrum during September.

Temperature

September's arrival in Addis Ababa, Ethiopia, brings an average high-temperature of an agreeable 20.4°C (68.7°F), demonstrating subtle variation from the preceding month. In September, the nighttime temperature lowers to an average of 9.1°C (48.4°F).

Humidity

The average relative humidity in September in Addis Ababa is 79%.

Rainfall

In Addis Ababa, in September, during 22.2 rainfall days, 96mm (3.78") of precipitation is typically accumulated. Throughout the year, in Addis Ababa, there are 177.8 rainfall days, and 873mm (34.37") of precipitation is accumulated.

Daylight

In Addis Ababa, the average length of the day in September is 12h and 10min.
On the first day of the month, sunrise is at 06:16 and sunset at 18:33. On the last day of September, in Addis Ababa, sunrise is at 06:13 and sunset at 18:16 EAT.

Sunshine

The average sunshine in September is 9.3h.

UV index

The months with the lowest UV index are June through December, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: The average daily UV index of 4 in September transforms into the following instructions:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
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Frequently asked questions

What is the usual temperature for Addis Ababa in September?

September temperatures in Addis Ababa, Ethiopia, vary between a high-temperature of 20.4°C (68.7°F) and a low-temperature of 9.1°C (48.4°F).

What is the average humidity in September in Addis Ababa?

In September, the average relative humidity in Addis Ababa, Ethiopia, is 79%.

How many days does it rain in September in Addis Ababa?

In Addis Ababa, Ethiopia, in September, it is raining for 22.2 days, with typically 96mm (3.78") of accumulated precipitation.

How many hours of daylight does Addis Ababa have in September?

In Addis Ababa, Ethiopia, the average day length in September is 12h and 10min.

When is the sunrise / sunset in September in Addis Ababa?

In September, on the first day of the month, sunrise is at 06:16 and sunset at 18:33. On the last day of the month, in Addis Ababa, sunrise is at 06:13 and sunset at 18:16 EAT.

How many hours of sunshine does Addis Ababa have in September?

In September, the average sunshine duration in Addis Ababa, Ethiopia, is 9.3h.

What are the months with the lowest UV index in Addis Ababa?

June through December, with an average maximum UV index of 4, are months with the lowest UV index in Addis Ababa, Ethiopia.

How high is the UV index in September in Addis Ababa?

The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability from exposure to Sun's UV rays.

Average temperature in September
Addis Ababa, Ethiopia

Average temperature in September - Addis Ababa, Ethiopia
  • Average high temperature in September: 20.4°C

The warmest months (with the highest average high temperature) are February and March (23.3°C).
The month with the lowest average high temperature is August (19.2°C).

  • Average low temperature in September: 9.1°C

The month with the highest average low temperature is June (12.1°C).
The coldest month (with the lowest average low temperature) is November (7.4°C).

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Average pressure in September
Addis Ababa, Ethiopia

Average pressure in September - Addis Ababa, Ethiopia
  • Average pressure in September: 1014.9mbar

The month with the highest atmospheric pressure is December (1016.3mbar).
The month with the lowest atmospheric pressure is April (1013.9mbar).

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Average wind speed in September
Addis Ababa, Ethiopia

Average wind speed in September - Addis Ababa, Ethiopia
  • Average wind speed in September: 5.5km/h

The windiest months (with the highest average wind speed) are February and October (8.3km/h).
The calmest month (with the lowest average wind speed) is August (5.4km/h).

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Average humidity in September
Addis Ababa, Ethiopia

Average humidity in September - Addis Ababa, Ethiopia
  • Average humidity in September: 79%

The month with the highest relative humidity is August (85%).
The month with the lowest relative humidity is February (51%).

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Average rainfall in September
Addis Ababa, Ethiopia

Average rainfall in September - Addis Ababa, Ethiopia
  • Average rainfall in September: 96mm

The wettest month (with the highest rainfall) is July (213mm).
The driest month (with the least rainfall) is December (4mm).

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Average rainfall days in September
Addis Ababa, Ethiopia

Average rainfall days in September - Addis Ababa, Ethiopia
  • Average rainfall days in September: 22.2 days

The month with the highest number of rainy days is July (30.8 days).
The month with the least rainy days is December (4.1 days).

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Average daylight in September /
Average sunshine in September
Addis Ababa, Ethiopia

Average daylight in September / Average sunshine in September - Addis Ababa, Ethiopia
  • Average daylight in September: 12h and 1min

The month with the longest days is June (Average daylight: 12h and 36min).
The month with the shortest days is December (Average daylight: 11h and 36min).

  • Average sunshine in September: 9h and 2min

The months with the most sunshine are January and December (Average sunshine: 9h and 48min).
The month with the least sunshine is August (Average sunshine: 8h and 6min).

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Average sunshine days in September
Addis Ababa, Ethiopia

Average sunshine days in September - Addis Ababa, Ethiopia
  • Average sunshine days in September: 4.4 days

The month with the most sunshine days is December (25.1 days).
The months with the least sunshine days are July and August (0.2 days).

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Average UV index in September
Addis Ababa, Ethiopia

Average UV index in September - Addis Ababa, Ethiopia
  • Average UV index in September: 4

The months with the highest UV index are January, February, March, April and May (UV index 5).
The months with the lowest UV index are June, July, August, September, October, November and December (UV index 4).

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Average cloud cover in September
Addis Ababa, Ethiopia

Average cloud cover in September - Addis Ababa, Ethiopia
  • Average cloud cover in September: 30

The month with the most cloud cover is August (Cloud cover 47).
The month with the least cloud cover is January (Cloud cover 12).

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Average visibility in September
Addis Ababa, Ethiopia

Average visibility in September - Addis Ababa, Ethiopia
  • Average visibility in September: 8km

The months with the highest visibility are January, February, March, June, October, November and December (10km).
The month with the lowest visibility is August (7km).

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Addis Ababa, Ethiopia

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