September weather forecastColline Kiraga, Rwanda

September

Weather in September

The first month of the spring, September, is also an agreeable month in Colline Kiraga, Rwanda, with an average temperature varying between 13.6°C (56.5°F) and 20.9°C (69.6°F).

Temperature

September's weather displays an average high-temperature of a still agreeable 20.9°C (69.6°F), slightly varied from August's 21.6°C (70.9°F). In September, Colline Kiraga records an average nighttime temperature of 13.6°C (56.5°F).

Humidity

The average relative humidity in September is 76%.

Rainfall

In Colline Kiraga, in September, during 25.5 rainfall days, 133mm (5.24") of precipitation is typically accumulated. In Colline Kiraga, during the entire year, the rain falls for 289.8 days and collects up to 1383mm (54.45") of precipitation.

Daylight

The average length of the day in September is 12h and 6min.
On the first day of September, sunrise is at 06:00 and sunset at 18:05. On the last day of the month, sunrise is at 05:48 and sunset at 17:56 CAT.

Sunshine

The month with the most sunshine is September, with an average of 10h of sunshine.

UV index

January through May, July through October and December, with an average maximum UV index of 5, are months with the highest UV index. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 5 in September transforms into the following instructions:
Be vigilant - Suggestions to stave off sun damage are provided. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Experience reduced UV exposure by about half when donning a wide-brim hat.

Updated: Aug 27, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In September, the average high-temperature and low-temperature in Colline Kiraga are 20.9°C (69.6°F) and 13.6°C (56.5°F) respectively.

In September, the average relative humidity is 76%.

In Colline Kiraga, during September, the rain falls for 25.5 days and regularly aggregates up to 133mm (5.24") of precipitation.

In Colline Kiraga, the average day length in September is 12h and 6min.

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

The month with the most sunshine is September, with an average of 10h of sunshine.

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

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

The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health risk from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J J A September O N D

Aug

September

Oct

Average high temperature

21.6°C

20.9°C

21°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

6.5km/h

5.3km/h

5.5km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

9.9

3.2

2.8

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Colline Kiraga, Rwanda

Average high temperature in September: 20.9°C

The warmest month (with the highest average high temperature) is February (21.8°C).
The month with the lowest average high temperature is May (19.6°C).

Average low temperature in September: 13.6°C

The month with the highest average low temperature is October (13.9°C).
The coldest months (with the lowest average low temperature) are January and June (12.8°C).

Average pressure in September
Colline Kiraga, Rwanda

Average pressure in September: 1014.1mbar

The month with the highest atmospheric pressure is June (1015.6mbar).
The month with the lowest atmospheric pressure is February (1012.4mbar).

Average wind speed in September
Colline Kiraga, Rwanda

Average wind speed in September: 5km/h

The windiest month (with the highest average wind speed) is May (6km/h).
The calmest month (with the lowest average wind speed) is December (3.8km/h).

Average humidity in September
Colline Kiraga, Rwanda

Average humidity in September: 76%

The months with the highest relative humidity are April and May (88%).
The month with the lowest relative humidity is August (70%).

Average rainfall in September
Colline Kiraga, Rwanda

Average rainfall in September: 133mm

The wettest month (with the highest rainfall) is October (174mm).
The driest month (with the least rainfall) is July (41mm).

Average rainfall days in September
Colline Kiraga, Rwanda

Average rainfall days in September: 25.5 days

The month with the highest number of rainy days is October (27.7 days).
The month with the least rainy days is July (18.5 days).

Average daylight in September /
Average sunshine in September
Colline Kiraga, Rwanda

Average daylight in September: 12h and 6min

The month with the longest days is December (Average daylight: 12h and 12min).
The month with the shortest days is June (Average daylight: 12h and 0min).

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 April (Average sunshine: 7h and 48min).

Average sunshine days in September
Colline Kiraga, Rwanda

Average sunshine days in September: 3.2 days

The month with the most sunshine days is July (10.5 days).
The month with the least sunshine days is November (2.1 days).

Average UV index in September
Colline Kiraga, Rwanda

Average UV index in September: 5

The months with the highest UV index are January, February, March, April, May, July, August, September, October and December (UV index 5).
The months with the lowest UV index are June and November (UV index 4).