September weather forecast
Rweza, Burundi

September

Weather in September

The first month of the spring, September, is still a warm month in Rweza, Burundi, with an average temperature varying between 15.3°C (59.5°F) and 24.3°C (75.7°F).

Temperature

In September, Rweza notes an average high-temperature of a still warm 24.3°C (75.7°F), hardly different from the preceding month. September nights experience a consistent temperature drop to a refreshing 15.3°C (59.5°F).

Humidity

The average relative humidity in September is 65%.

Rainfall

In September, the rain falls for 20.7 days. Throughout September, 79mm (3.11") of precipitation is accumulated. Throughout the year, there are 272.8 rainfall days, and 1185mm (46.65") of precipitation is accumulated.

Daylight

In Rweza, the average length of the day in September is 12h and 6min.
On the first day of September, sunrise is at 05:58 and sunset at 18:02. On the last day of the month, sunrise is at 05:46 and sunset at 17:54 CAT.

Sunshine

September has the most sunshine of the year, with an average of 10.3h of sunshine.

UV index

January through December, with an average maximum UV index of 5, are months with the highest UV index. The months with the lowest UV index are January through December, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.
Note: The daily high UV index of 5 in September translates into this advice:
Ensure safety - Imperative it is to shield skin and eyes from damage. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.

Frequently asked questions

What are the temperatures in Rweza in September?
During September, Rweza experiences an average high-temperature of 24.3°C (75.7°F) and a low-temperature of 15.3°C (59.5°F).
What is the average humidity in September?
In September, the average relative humidity is 65%.
How many days does it rain in September?
In September, in Rweza, the rain falls for 20.7 days. Throughout September, 79mm (3.11") of precipitation is accumulated.
How many hours of daylight does Rweza have in September?
In Rweza, the average day length in September is 12h and 6min.
What time are sunrise and sunset in September?
On the first day of September, sunrise is at 05:58 and sunset at 18:02. On the last day of the month, sunrise is at 05:46 and sunset at 17:54 CAT.
What month has the most sunshine?
The month with the most sunshine is September, with an average of 10.3h of sunshine.
How long on average sun shines in September?
In September, the average sunshine duration in Rweza is 10.3h.
What is the month with the highest UV index?
January through December, with an average maximum UV index of 5, are months with the highest UV index.
When is the lowest UV index?
The months with the lowest UV index are January through December, with an average maximum UV index of 5.
How high is the UV index in September?
In September, the average daily maximum UV index in Rweza is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September - Rweza, Burundi
Average temperature in September
Rweza, Burundi
  • Average high temperature in September: 24.3°C

The warmest month (with the highest average high temperature) is August (24.8°C).
The month with the lowest average high temperature is May (21.3°C).

  • Average low temperature in September: 15.3°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 (12.8°C).

Average pressure in September - Rweza, Burundi
Average pressure in September
Rweza, Burundi
  • Average pressure in September: 1014mbar

The month with the highest atmospheric pressure is June (1016mbar).
The month with the lowest atmospheric pressure is February (1012.7mbar).

Average wind speed in September - Rweza, Burundi
Average wind speed in September
Rweza, Burundi
  • Average wind speed in September: 6.6km/h

The windiest month (with the highest average wind speed) is July (7.3km/h).
The calmest month (with the lowest average wind speed) is December (4.4km/h).

Average humidity in September - Rweza, Burundi
Average humidity in September
Rweza, Burundi
  • Average humidity in September: 65%

The month with the highest relative humidity is May (88%).
The month with the lowest relative humidity is August (58%).

Average rainfall in September - Rweza, Burundi
Average rainfall in September
Rweza, Burundi
  • Average rainfall in September: 79mm

The wettest month (with the highest rainfall) is October (158mm).
The driest month (with the least rainfall) is July (17mm).

Average rainfall days in September - Rweza, Burundi
Average rainfall days in September
Rweza, Burundi
  • Average rainfall days in September: 20.7 days

The month with the highest number of rainy days is December (28.9 days).
The month with the least rainy days is July (10.5 days).

Average daylight in September / Average sunshine in September - Rweza, Burundi
Average daylight in September /
Average sunshine in September
Rweza, 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: 10h and 2min

The month with the most sunshine is September (Average sunshine: 10h and 18min).
The month with the least sunshine is May (Average sunshine: 7h and 48min).

Average sunshine days in September - Rweza, Burundi
Average sunshine days in September
Rweza, Burundi
  • Average sunshine days in September: 8.3 days

The month with the most sunshine days is July (19.3 days).
The month with the least sunshine days is December (1.8 days).

Average UV index in September - Rweza, Burundi
Average UV index in September
Rweza, 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).

Average cloud cover in September - Rweza, Burundi
Average cloud cover in September
Rweza, Burundi
  • Average cloud cover in September: 27

The months with the most cloud cover are April and May (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 23).

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

The months with the highest visibility are July, August and September (10km).
The months with the lowest visibility are April and May (7km).

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