September weather forecastCyumba, Rwanda

September

Weather in September

The first month of the spring, September, is also an agreeable month in Cyumba, Rwanda, with an average temperature varying between 21.9°C (71.4°F) and 14.3°C (57.7°F).

Temperature

As Cyumba welcomes September, the average high-temperature records at a still pleasant 21.9°C (71.4°F), marking an insignificant deviation from the prior month. In the month of September, the average low-temperature in Cyumba, Rwanda, usually rests at a moderate 14.3°C (57.7°F).

Humidity

The average relative humidity in September is 76%.

Rainfall

In September, in Cyumba, Rwanda, the rain falls for 27.5 days. Throughout September, 217mm (8.54") of precipitation is accumulated. In Cyumba, during the entire year, the rain falls for 313.2 days and collects up to 2163mm (85.16") of precipitation.

Daylight

In Cyumba, the average length of the day in September is 12h and 6min.
On the first day of September in Cyumba, sunrise is at 05:57 and sunset at 18:02. On the last day of the month, sunrise is at 05:46 and sunset at 17:53 CAT.

Sunshine

The average sunshine in September in Cyumba, Rwanda, is 8.8h.

UV index

January through March, May through September, November and December, with an average maximum UV index of 5, are months with the highest UV index in Cyumba. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum daily UV index, 5 in September, converts into the following recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.

Updated: Jan 25, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

During September, Cyumba experiences an average high-temperature of 21.9°C (71.4°F) and a low-temperature of 14.3°C (57.7°F).

In Cyumba, Rwanda, the average relative humidity in September is 76%.

In Cyumba, during September, the rain falls for 27.5 days and regularly aggregates up to 217mm (8.54") of precipitation.

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

In September, on the first day of the month, sunrise is at 05:57 and sunset at 18:02. On the last day of the month, in Cyumba, sunrise is at 05:46 and sunset at 17:53 CAT.

In Cyumba, the average sunshine duration in September is 8.8h.

January through March, May through September, November and December, with an average maximum UV index of 5, are months with the highest UV index in Cyumba, Rwanda.

In Cyumba, Rwanda, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health from unprotected exposure to 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

22.4°C

21.9°C

21.2°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

7.9km/h

6.4km/h

6.5km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

8.8

1.6

0.5

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Cyumba, Rwanda

Average high temperature in September: 21.9°C

The warmest month (with the highest average high temperature) is February (23.2°C).
The month with the lowest average high temperature is May (19.9°C).

Average low temperature in September: 14.3°C

The month with the highest average low temperature is September (14.3°C).
The coldest month (with the lowest average low temperature) is December (11.9°C).

Average pressure in September
Cyumba, Rwanda

Average pressure in September: 1014mbar

The month with the highest atmospheric pressure is June (1015.5mbar).
The month with the lowest atmospheric pressure is February (1012.3mbar).

Average wind speed in September
Cyumba, Rwanda

Average wind speed in September: 5.9km/h

The windiest months (with the highest average wind speed) are June and July (7.4km/h).
The calmest month (with the lowest average wind speed) is November (4.9km/h).

Average humidity in September
Cyumba, Rwanda

Average humidity in September: 76%

The month with the highest relative humidity is May (89%).
The months with the lowest relative humidity are July and August (67%).

Average rainfall in September
Cyumba, Rwanda

Average rainfall in September: 217mm

The wettest month (with the highest rainfall) is October (293mm).
The driest month (with the least rainfall) is July (45mm).

Average rainfall days in September
Cyumba, Rwanda

Average rainfall days in September: 27.5 days

The month with the highest number of rainy days is October (30.5 days).
The month with the least rainy days is July (15.3 days).

Average daylight in September /
Average sunshine in September
Cyumba, 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: 8h and 48min

The month with the most sunshine is January (Average sunshine: 9h and 24min).
The month with the least sunshine is May (Average sunshine: 7h and 18min).

Average sunshine days in September
Cyumba, Rwanda

Average sunshine days in September: 1.6 days

The month with the most sunshine days is July (13.6 days).
The months with the least sunshine days are April and November (0 days).

Average UV index in September
Cyumba, Rwanda

Average UV index in September: 5

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