September weather forecast
Kirundo, Burundi

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Weather in September

September ushers a change with a return of rainfall in Kirundo after the two-month dry phase. The temperatures see a minor dip making the city slightly cooler than the preceding hottest month. The wind speeds recede, and the number of sunshine hours drops slightly. In line with the trend, an increase in cloud percentages forecasts the gradual return of the wet weather. The recorded wind gusts experience a contraction, providing a slight respite from the earlier breezy conditions.

Temperature

As Kirundo steps into September, the average high-temperature holds at a still moderately hot 26.6°C (79.9°F), hinting at a minor fluctuation from the prior month. During September, Kirundo observes a consistent average nighttime temperature of 17.2°C (63°F).

Humidity

In Kirundo, the average relative humidity in September is 59%.

Rainfall

In Kirundo, during September, the rain falls for 19.2 days and regularly aggregates up to 73mm (2.87") of precipitation. Throughout the year, in Kirundo, there are 275.9 rainfall days, and 1662mm (65.43") of precipitation is accumulated.

Daylight

The average length of the day in September is 12h and 6min.
On the first day of September in Kirundo, Burundi, sunrise is at 05:57 and sunset at 18:01. On the last day of the month, sunrise is at 05:45 and sunset at 17:53 CAT.

Sunshine

In September, the average sunshine is 9.6h.

UV index

July through September, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: The UV index of 6 during September translates into the following guidance:
Guard oneself from overexposure. Defence against sun injury is vital. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
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Frequently asked questions

What is the usual temperature for Kirundo in September?

During September, Kirundo experiences an average high-temperature of 26.6°C (79.9°F) and a low-temperature of 17.2°C (63°F).

What is the average humidity in September in Kirundo?

In September, the average relative humidity in Kirundo, Burundi, is 59%.

How many days does it rain in September in Kirundo?

In September, in Kirundo, Burundi, the rain falls for 19.2 days. Throughout September, 73mm (2.87") of precipitation is accumulated.

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

In Kirundo, Burundi, the average day length in September is 12h and 6min.

What time are sunrise and sunset in September in Kirundo?

In September, on the first day of the month, sunrise is at 05:57 and sunset at 18:01. On the last day of the month, in Kirundo, sunrise is at 05:45 and sunset at 17:53 CAT.

How many hours of sunshine does Kirundo have in September?

In Kirundo, Burundi, the average sunshine duration in September is 9.6h.

What is the month with the highest UV index in Kirundo?

July through September, with an average maximum UV index of 6, are months with the highest UV index in Kirundo.

What is the UV index intensity in September in Kirundo?

The average daily maximum UV index in September in Kirundo, Burundi, is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from exposure to the Sun's UV radiation.

Average temperature in September
Kirundo, Burundi

Average temperature in September - Kirundo, Burundi
  • Average high temperature in September: 26.6°C

The warmest month (with the highest average high temperature) is August (26.8°C).
The month with the lowest average high temperature is May (22.8°C).

  • Average low temperature in September: 17.2°C

The month with the highest average low temperature is September (17.2°C).
The coldest month (with the lowest average low temperature) is June (14.4°C).

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Average pressure in September
Kirundo, Burundi

Average pressure in September - Kirundo, Burundi
  • Average pressure in September: 1013.5mbar

The month with the highest atmospheric pressure is June (1015.8mbar).
The month with the lowest atmospheric pressure is February (1012.5mbar).

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Average wind speed in September
Kirundo, Burundi

Average wind speed in September - Kirundo, Burundi
  • Average wind speed in September: 8km/h

The windiest month (with the highest average wind speed) is July (10.2km/h).
The calmest month (with the lowest average wind speed) is December (4.8km/h).

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Average humidity in September
Kirundo, Burundi

Average humidity in September - Kirundo, Burundi
  • Average humidity in September: 59%

The month with the highest relative humidity is April (87%).
The month with the lowest relative humidity is August (49%).

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Average rainfall in September
Kirundo, Burundi

Average rainfall in September - Kirundo, Burundi
  • Average rainfall in September: 73mm

The wettest month (with the highest rainfall) is November (248mm).
The driest month (with the least rainfall) is July (10mm).

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Average rainfall days in September
Kirundo, Burundi

Average rainfall days in September - Kirundo, Burundi
  • Average rainfall days in September: 19.2 days

The month with the highest number of rainy days is December (30.8 days).
The month with the least rainy days is July (5.1 days).

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

Average daylight in September / Average sunshine in September - Kirundo, 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: 12h and 0min).

  • Average sunshine in September: 9h and 4min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is May (Average sunshine: 8h and 6min).

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Average sunshine days in September
Kirundo, Burundi

Average sunshine days in September - Kirundo, Burundi
  • Average sunshine days in September: 8.4 days

The month with the most sunshine days is July (25.1 days).
The month with the least sunshine days is December (0.1 days).

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Average UV index in September
Kirundo, Burundi

Average UV index in September - Kirundo, Burundi
  • Average UV index in September: 6

The months with the highest UV index are July, August and September (UV index 6).
The months with the lowest UV index are January, February, March, April, May, June, October, November and December (UV index 5).

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Average cloud cover in September
Kirundo, Burundi

Average cloud cover in September - Kirundo, Burundi
  • Average cloud cover in September: 25

The month with the most cloud cover is April (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 20).

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Average visibility in September
Kirundo, Burundi

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

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

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Kirundo, Burundi

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