Bujumbura
Burundi
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Bujumbura, Burundi

A wooden boat on the sandy shores of Lake Tanganyika in Bujumbura, Burundi, with approaching waves
A wooden boat on the sandy shores of Lake Tanganyika in Bujumbura, Burundi, with approaching waves
September, the first month of the spring, in Bujumbura, is still a tropical month, with average temperature ranging between max 30.9°C (87.6°F) and min 18.6°C (65.5°F).

Temperature

The warmest month is September, with an average high-temperature of 30.9°C (87.6°F) and an average low-temperature of 18.6°C (65.5°F).

Humidity

In Bujumbura, Burundi, the average relative humidity in September is 62%.

Rainfall

In Bujumbura, it is raining for 8 days, with typically 33mm (1.3") of accumulated precipitation. In Bujumbura, during the entire year, the rain falls for 147 days and collects up to 785.7mm (30.9") of precipitation.

Daylight

In Bujumbura, the average length of the day in September is 12.1h.

Sunshine

In Bujumbura, the average sunshine in September is 7.1h.

UV index

January through May, August through December, with an average maximum UV index of 12, are months with the highest UV index in Bujumbura. A UV Index reading of 11, and higher, represents an extreme health hazard from unsafe exposure to the UV radiation for the average person.
The daily maximum UV index of 12 interpret into the following advice:
Practice all essential precautions. Protection against sun damage is crucial. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. A broad-spectrum sunscreen of SPF 30+ should be liberally applied and re-applied every two hours, and immediately after an outdoor workout or a swim.

What is the warmest month in Bujumbura?

September is the warmest month in Bujumbura, with an average high-temperature of 30.9°C (87.6°F) and an average low-temperature of 18.6°C (65.5°F).

What is the temperature in September in Bujumbura?

In September, in Bujumbura, the average high-temperature is 30.9°C (87.6°F), and the average low-temperature is 18.6°C (65.5°F).

What is the average humidity in September in Bujumbura?

In September, the average relative humidity in Bujumbura, Burundi, is 62%.

How much does it rain in Bujumbura in September?

In Bujumbura, Burundi, in September, during 8 rainfall days, 33mm (1.3") of precipitation is typically accumulated.

How many hours of daylight does Bujumbura have in September?

In September, the average length of the day in Bujumbura, Burundi, is 12.1h.

How long on average sun shines in September in Bujumbura?

In Bujumbura, the average sunshine in September is 7.1h.

When is the highest UV index in Bujumbura?

Months with the highest UV index in Bujumbura are January through May, August through December, with an average maximum UV index of 12.

How high is the UV index in September in Bujumbura?

The average daily maximum UV index in September is 12. A UV Index value of 11, and more, symbolizes an ultimate hazard to health from the exposure to the Sun's UV radiation.
Average temperature in September - Bujumbura, Burundi
  • Average high temperature in September: 30.9°C

The warmest month (with the highest average high temperature) is September (30.9°C).
The month with the lowest average high temperature is December (28.9°C).

  • Average low temperature in September: 18.6°C

The month with the highest average low temperature is April (19.6°C).
The coldest month (with the lowest average low temperature) is July (17.2°C).

Average humidity in September - Bujumbura, Burundi
  • Average humidity in September: 62%

The month with the highest relative humidity is April (79%).
The month with the lowest relative humidity is August (60%).

Average rainfall in September - Bujumbura, Burundi
  • Average rainfall in September: 33mm

The wettest month (with the highest rainfall) is March (117.5mm).
The driest month (with the lowest rainfall) is July (2.7mm).

Average rainfall days in September - Bujumbura, Burundi
  • Average rainfall days in September: 8 days

Months with the highest number of rainy days are February, November and December (19 days).
The month with the lowest number of rainy days is July (1 days).

Average daylight in September / Average sunshine in September - Bujumbura, Burundi
  • Average daylight in September: 12.1h

Months with the longest days are January, November and December (Average daylight: 12.3h).
Months with shortest days are June and July (Average daylight: 11.9h).

  • Average sunshine in September: 7.1h

The month with most sunshine is July (Average sunshine: 8.8h).
The month with least sunshine is November (Average sunshine: 5h).

Average UV index in September - Bujumbura, Burundi
  • Average UV index in September: 12

Months with the highest UV index are January, February, March, April, May, August, September, October, November and December (UV index 12).
Months with the lowest UV index are June and July (UV index 11).