September weather forecast
Bujumbura, Burundi

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A wooden boat on the sandy shores of Lake Tanganyika in Bujumbura, Burundi
A wooden boat on the sandy shores of Lake Tanganyika in Bujumbura, Burundi

Weather in September

In September, Bujumbura, Burundi experiences an uptick in rainfall, recording 35mm (1.38") over 14.7 days. With the increase in precipitation, there's a corresponding rise in relative humidity. Despite these alterations, the temperatures, sunshine, and visibility conditions remain relatively stable. The major shift in weather conditions occurs as October arrives.

Temperature

Bujumbura notes an average high-temperature of a still warm 23.3°C (73.9°F) in September, hardly diverging from August. Bujumbura experiences an average low-temperature of 14.5°C (58.1°F) in the month of September.

Humidity

The months with the lowest humidity are August and September, with an average relative humidity of 62%.

Rainfall

In Bujumbura, during September, the rain falls for 14.7 days and regularly aggregates up to 35mm (1.38") of precipitation. Throughout the year, in Bujumbura, there are 256.8 rainfall days, and 1091mm (42.95") of precipitation is accumulated.

Daylight

The average length of the day in September in Bujumbura is 12h and 5min.
On the first day of the month, sunrise is at 06:00 and sunset at 18:03. On the last day of September, sunrise is at 05:48 and sunset at 17:56 CAT.

Sunshine

In Bujumbura, the average sunshine in September is 10.3h.

UV index

The months with the highest UV index are January through December, with an average maximum UV index of 5. January through December, with an average maximum UV index of 5, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: In September, a daily maximum UV index of 5 leads to the following instructions:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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Frequently asked questions

What is the temperature in September in Bujumbura?

The high-temperature, in September, in Bujumbura, records 23.3°C (73.9°F), while the low-temperature is 14.5°C (58.1°F).

What is the least humid month in Bujumbura?

The months with the lowest humidity in Bujumbura, Burundi, are August and September, with an average relative humidity of 62%.

What is the average humidity in September in Bujumbura?

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

How many days does it rain in September in Bujumbura?

In Bujumbura, Burundi, in September, it is raining for 14.7 days, with typically 35mm (1.38") of accumulated precipitation.

What is the average length of the day in September in Bujumbura?

In Bujumbura, the average day length in September is 12h and 5min.

When is the sunrise / sunset in September in Bujumbura?

On the first day of September in Bujumbura, sunrise is at 06:00 and sunset at 18:03. On the last day of the month, sunrise is at 05:48 and sunset at 17:56 CAT.

How long on average sun shines in September in Bujumbura?

The average sunshine duration in September in Bujumbura, Burundi, is 10.3h.

What are the months with the highest UV index in Bujumbura?

January through December, with an average maximum UV index of 5, are months with the highest UV index.

What is the month with the lowest UV index in Bujumbura?

The months with the lowest UV index in Bujumbura, Burundi, are January through December, with an average maximum UV index of 5.

What is the UV index intensity in September in Bujumbura?

In Bujumbura, Burundi, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium health risk from exposure to Sun's UV rays.

Average temperature in September
Bujumbura, Burundi

Average temperature in September - Bujumbura, Burundi
  • Average high temperature in September: 23.3°C

The warmest month (with the highest average high temperature) is February (23.7°C).
The month with the lowest average high temperature is May (21.3°C).

  • Average low temperature in September: 14.5°C

The month with the highest average low temperature is October (15.5°C).
The coldest month (with the lowest average low temperature) is June (12.4°C).

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Average pressure in September
Bujumbura, Burundi

Average pressure in September - Bujumbura, Burundi
  • Average pressure in September: 1013.6mbar

The month with the highest atmospheric pressure is June (1015.7mbar).
The months with the lowest atmospheric pressure are February, October and November (1012.6mbar).

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Average wind speed in September
Bujumbura, Burundi

Average wind speed in September - Bujumbura, Burundi
  • Average wind speed in September: 5.9km/h

The windiest month (with the highest average wind speed) is July (6.4km/h).
The calmest months (with the lowest average wind speed) are January and December (4.5km/h).

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Average humidity in September
Bujumbura, Burundi

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

The month with the highest relative humidity is May (84%).
The months with the lowest relative humidity are August and September (62%).

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Average rainfall in September
Bujumbura, Burundi

Average rainfall in September - Bujumbura, Burundi
  • Average rainfall in September: 35mm

The wettest month (with the highest rainfall) is April (167mm).
The driest month (with the least rainfall) is July (9mm).

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Average rainfall days in September
Bujumbura, Burundi

Average rainfall days in September - Bujumbura, Burundi
  • Average rainfall days in September: 14.7 days

The month with the highest number of rainy days is March (29.2 days).
The month with the least rainy days is July (7 days).

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Average daylight in September /
Average sunshine in September
Bujumbura, Burundi

Average daylight in September / Average sunshine in September - Bujumbura, Burundi
  • Average daylight in September: 12h and 1min

The month with the longest days is December (Average daylight: 12h and 18min).
The month with the shortest days is June (Average daylight: 11h and 54min).

  • Average sunshine in September: 10h and 2min

The month with the most sunshine is December (Average sunshine: 10h and 30min).
The month with the least sunshine is May (Average sunshine: 6h and 18min).

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Average sunshine days in September
Bujumbura, Burundi

Average sunshine days in September - Bujumbura, Burundi
  • Average sunshine days in September: 11.9 days

The month with the most sunshine days is July (22.3 days).
The month with the least sunshine days is April (0.8 days).

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Average UV index in September
Bujumbura, Burundi

Average UV index in September - Bujumbura, Burundi
  • Average UV index in September: 5

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

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Average cloud cover in September
Bujumbura, Burundi

Average cloud cover in September - Bujumbura, Burundi
  • Average cloud cover in September: 24

The month with the most cloud cover is April (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 19).

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Average visibility in September
Bujumbura, Burundi

Average visibility in September - Bujumbura, Burundi
  • Average visibility in September: 10km

The months with the highest visibility are July, August, September and October (10km).
The months with the lowest visibility are April and May (8km).

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Bujumbura, Burundi

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