September weather forecast
Vyanda, Burundi

September

Weather in September

The primary shift in Vyanda's weather appears in September with a noticeable increase in rainfall to 77mm (3.03"). Despite this, outdoor activities are still feasible due to the countering effect of the longest daylight duration for the year coupled with acceptable humidity levels. However, the introduction of an increased cloud cover signals the subtle transition into the wetter phase of the year.

Temperature

September stands out as Vyanda's warmest month, with an average high-temperature of 24.8°C (76.6°F) and a low-temperature of 15.7°C (60.3°F).

Humidity

In September, the average relative humidity is 58%.

Rainfall

In Vyanda, in September, it is raining for 16.7 days, with typically 77mm (3.03") of accumulated precipitation. In Vyanda, during the entire year, the rain falls for 271.1 days and collects up to 1766mm (69.53") of precipitation.

Daylight

In September, the average length of the day is 12h and 5min.
On the first day of September, sunrise is at 06:00 and sunset at 18:02. On the last day of the month, sunrise is at 05:47 and sunset at 17:55 CAT.

Sunshine

With an average of 10h of sunshine, September has the most sunshine of the year.

UV index

The months with the lowest UV index are January through July, September through December, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: A daily high UV index of 5 in September leads to these guidelines:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.

Frequently asked questions

What time of the year is the hottest?
Vyanda reaches its average highest temperatures in September, measuring 24.8°C (76.6°F) at the peak and 15.7°C (60.3°F) at the lowest.
What are the temperatures in September?
In Vyanda, 24.8°C (76.6°F) is the average high-temperature and 15.7°C (60.3°F) is the average low-temperature during September.
What is the average humidity in September?
In Vyanda, the average relative humidity in September is 58%.
How much does it rain in September?
In Vyanda, in September, during 16.7 rainfall days, 77mm (3.03") of precipitation is typically accumulated.
How many hours of daylight does Vyanda have in September?
The average day length in September is 12h and 5min.
When is the sunrise / sunset in September?
On the first day of September, sunrise is at 06:00 and sunset at 18:02. On the last day of the month, sunrise is at 05:47 and sunset at 17:55 CAT.
What month has the most sunshine?
September has the most sunshine of the year, with an average of 10h of sunshine.
How long on average sun shines in September?
In September, the average sunshine duration is 10h.
When is the lowest UV index?
The months with the lowest UV index are January through July, September through December, with an average maximum UV index of 5.
What is the UV index reading in September?
In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unsafe 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
Vyanda, Burundi
  • Average high temperature in September: 24.8°C

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

  • Average low temperature in September: 15.7°C

The months with the highest average low temperature are September and October (15.7°C).
The coldest month (with the lowest average low temperature) is June (13°C).

Average pressure in September
Vyanda, Burundi
  • Average pressure in September: 1013.4mbar

The month with the highest atmospheric pressure is June (1015.9mbar).
The months with the lowest atmospheric pressure are February, October and November (1012.5mbar).

Average wind speed in September
Vyanda, Burundi
  • Average wind speed in September: 9km/h

The windiest month (with the highest average wind speed) is August (9.9km/h).
The calmest month (with the lowest average wind speed) is December (5.5km/h).

Average humidity in September
Vyanda, Burundi
  • Average humidity in September: 58%

The month with the highest relative humidity is April (87%).
The month with the lowest relative humidity is August (54%).

Average rainfall in September
Vyanda, Burundi
  • Average rainfall in September: 77mm

The wettest month (with the highest rainfall) is November (261mm).
The driest month (with the least rainfall) is July (8mm).

Average rainfall days in September
Vyanda, Burundi
  • Average rainfall days in September: 16.7 days

The month with the highest number of rainy days is March (30.7 days).
The month with the least rainy days is July (6.2 days).

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

The month with the longest days is December (Average daylight: 12h and 24min).
The month with the shortest days is June (Average daylight: 11h and 54min).

  • Average sunshine in September: 10h and 0min

The month with the most sunshine is September (Average sunshine: 10h and 0min).
The month with the least sunshine is June (Average sunshine: 7h and 36min).

Average sunshine days in September
Vyanda, Burundi
  • Average sunshine days in September: 10.5 days

The month with the most sunshine days is July (22.1 days).
The month with the least sunshine days is December (0.1 days).

Average UV index in September
Vyanda, Burundi
  • Average UV index in September: 5

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

Average cloud cover in September
Vyanda, Burundi
  • Average cloud cover in September: 23

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

Average visibility in September
Vyanda, 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 and December (8km).

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