September weather forecast
Kolwezi, Democratic Republic of Congo

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Weather in September

September marks a change in weather in Kolwezi, as the arid spell gradually subsides. This month brings along a slight increase in rainfall and a corresponding augmentation in the number of rainy days. Despite the reduced sunshine hours, temperatures continue to soar, peaking at a significant 32°C (89.6°F). Simultaneously, a drop in wind speed ensures a calmer, stiller environment.

Temperature

In Kolwezi, the peak temperatures are generally noted in September, averaging a high of 32°C (89.6°F) and a low of 17.3°C (63.1°F).

Humidity

In September, the average relative humidity is 32%.

Rainfall

Months with rainfall are January through May, September through December. September is the first month it rains. Throughout September, in the average 3.5 rainfall days, it receives 7mm (0.28") of precipitation. In Kolwezi, during the entire year, the rain falls for 192 days and collects up to 1338mm (52.68") of precipitation.

Daylight

In September, the average length of the day is 12h and 3min.
On the first day of the month, sunrise is at 06:20 and sunset at 18:15. On the last day of September, sunrise is at 06:02 and sunset at 18:13 CAT.

Sunshine

In Kolwezi, the average sunshine in September is 10h.

UV index

The months with the highest UV index are May, July through October, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the average person.
Note: In September, the maximum UV index of 6 suggests these recommendations:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. Enhance your sun protection with tightly woven, yet airy clothing.

Frequently asked questions

What month is the hottest?

With average temperatures fluctuating between a high of 32°C (89.6°F) and a low of 17.3°C (63.1°F), September stands out as the warmest month.

How hot does it get in September?

In Kolwezi, 32°C (89.6°F) is the average high-temperature and 17.3°C (63.1°F) is the average low-temperature during September. The average heat index (a.k.a. 'real feel', 'feels like'), which factors the actual air temperature with the relative humidity, in July is evaluated at 27°C (80.6°F).

What is the average humidity in September in Kolwezi?

In September, the average relative humidity is 32%.

When does it start raining?

September is the first month it rains. Throughout September, in the average 3.5 rainfall days, it receives 7mm (0.28") of precipitation.

What is the average length of the day in September?

The average day length in September is 12h and 3min.

What time are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 06:20 and sunset at 18:15. On the last day of the month, sunrise is at 06:02 and sunset at 18:13 CAT.

How many hours of sunshine does Kolwezi have in September?

In Kolwezi, the average sunshine duration in September is 10h.

What is the month with the highest UV index?

The months with the highest UV index are May, July through October, with an average maximum UV index of 6.

What is the UV index intensity in September?

In Kolwezi, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health risk from exposure to Sun's UV rays.

Average temperature in September
Kolwezi, Democratic Republic of Congo

Average temperature in September - Kolwezi, Democratic Republic of Congo
  • Average high temperature in September: 32°C

The warmest month (with the highest average high temperature) is September (32°C).
The month with the lowest average high temperature is January (23.5°C).

  • Average low temperature in September: 17.3°C

The month with the highest average low temperature is October (18.1°C).
The coldest month (with the lowest average low temperature) is June (12.6°C).

Average pressure in September
Kolwezi, Democratic Republic of Congo

Average pressure in September - Kolwezi, Democratic Republic of Congo
  • Average pressure in September: 1012.3mbar

The month with the highest atmospheric pressure is June (1016.7mbar).
The month with the lowest atmospheric pressure is October (1010.8mbar).

Average wind speed in September
Kolwezi, Democratic Republic of Congo

Average wind speed in September - Kolwezi, Democratic Republic of Congo
  • Average wind speed in September: 9.7km/h

The windiest month (with the highest average wind speed) is July (11.7km/h).
The calmest months (with the lowest average wind speed) are February and December (5.9km/h).

Average humidity in September
Kolwezi, Democratic Republic of Congo

Average humidity in September - Kolwezi, Democratic Republic of Congo
  • Average humidity in September: 32%

The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is August (31%).

Average rainfall in September
Kolwezi, Democratic Republic of Congo

Average rainfall in September - Kolwezi, Democratic Republic of Congo
  • Average rainfall in September: 7mm

The wettest month (with the highest rainfall) is December (259mm).
The driest months (with the least rainfall) are June, July and August (0mm).

Average rainfall days in September
Kolwezi, Democratic Republic of Congo

Average rainfall days in September - Kolwezi, Democratic Republic of Congo
  • Average rainfall days in September: 3.5 days

The month with the highest number of rainy days is December (29.7 days).
The months with the least rainy days are July and August (0.1 days).

Average daylight in September /
Average sunshine in September
Kolwezi, Democratic Republic of Congo

Average daylight in September / Average sunshine in September - Kolwezi, Democratic Republic of Congo
  • Average daylight in September: 12h and 0min

The month with the longest days is December (Average daylight: 12h and 42min).
The month with the shortest days is June (Average daylight: 11h and 30min).

  • Average sunshine in September: 10h and 0min

The month with the most sunshine is October (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 6h and 18min).

Average sunshine days in September
Kolwezi, Democratic Republic of Congo

Average sunshine days in September - Kolwezi, Democratic Republic of Congo
  • Average sunshine days in September: 24.9 days

The month with the most sunshine days is July (31 days).
The month with the least sunshine days is December (0.9 days).

Average UV index in September
Kolwezi, Democratic Republic of Congo

Average UV index in September - Kolwezi, Democratic Republic of Congo
  • Average UV index in September: 6

The months with the highest UV index are May, July, August, September and October (UV index 6).
The month with the lowest UV index is December (UV index 4).

Average cloud cover in September
Kolwezi, Democratic Republic of Congo

Average cloud cover in September - Kolwezi, Democratic Republic of Congo
  • Average cloud cover in September: 5

The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 3).

Average visibility in September
Kolwezi, Democratic Republic of Congo

Average visibility in September - Kolwezi, Democratic Republic of Congo
  • Average visibility in September: 10km

The months with the highest visibility are May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March and December (6km).

Kolwezi, Democratic Republic of Congo

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