September weather forecast
Cyangugu, Rwanda

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Weather in September

September presents an apparently unusual number of sunshine days - about 10.4 hours per day. The start of autumn in Cyangugu brings in cooler nights with steady decreases in temperatures. Increased cloud coverage speaks of the approaching rainy season. Winds slow down, settling for a comfortable breeze falling between the high and low ranges of the year. The shift in weather encourages outdoor activities during daytime hours.

Temperature

Cyangugu's temperatures tend to hit their maximum during August and September, with an average high-temperature of 24.6°C (76.3°F).

Humidity

The average relative humidity in September is 62%.

Rainfall

In Cyangugu, during September, the rain falls for 22.5 days and regularly aggregates up to 64mm (2.52") of precipitation. Throughout the year, there are 294.8 rainfall days, and 1224mm (48.19") of precipitation is accumulated.

Daylight

The average length of the day in September is 12h and 6min.
On the first day of September in Cyangugu, sunrise is at 06:02 and sunset at 18:06. On the last day of the month, sunrise is at 05:50 and sunset at 17:58 CAT.

Sunshine

The average sunshine in September in Cyangugu is 10.4h.

UV index

The months with the highest UV index in Cyangugu are January through December, with an average maximum UV index of 5. The months with the lowest UV index are January through December, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.
Note: An average UV index of 5 in September transforms into this advice:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
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Frequently asked questions

What month is the hottest in Cyangugu?

Cyangugu experiences the peak of its temperatures in August and September, when the average high-temperatures rise to 24.6°C (76.3°F).

What is the temperature in September in Cyangugu?

In Cyangugu, 24.6°C (76.3°F) is the average high-temperature and 14.9°C (58.8°F) is the average low-temperature during September.

What is the average humidity in September in Cyangugu?

In September, the average relative humidity in Cyangugu is 62%.

How many days does it rain in September in Cyangugu?

In September, in Cyangugu, the rain falls for 22.5 days. Throughout September, 64mm (2.52") of precipitation is accumulated.

How many hours of daylight does Cyangugu have in September?

The average day length in September in Cyangugu is 12h and 6min.

What time are sunrise and sunset in September in Cyangugu?

On the first day of September in Cyangugu, sunrise is at 06:02 and sunset at 18:06. On the last day of the month, sunrise is at 05:50 and sunset at 17:58 CAT.

How long on average sun shines in September in Cyangugu?

In Cyangugu, the average sunshine duration in September is 10.4h.

When is the highest UV index in Cyangugu?

The months with the highest UV index are January through December, with an average maximum UV index of 5.

What are the months with the lowest UV index in Cyangugu?

January through December, with an average maximum UV index of 5, are months with the lowest UV index in Cyangugu.

What is the UV index intensity in September in Cyangugu?

In Cyangugu, Rwanda, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in September
Cyangugu, Rwanda

Average temperature in September - Cyangugu, Rwanda
  • Average high temperature in September: 24.6°C

The warmest months (with the highest average high temperature) are August and September (24.6°C).
The month with the lowest average high temperature is May (22.8°C).

  • Average low temperature in September: 14.9°C

The month with the highest average low temperature is October (15.2°C).
The coldest month (with the lowest average low temperature) is June (12.5°C).

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Average pressure in September
Cyangugu, Rwanda

Average pressure in September - Cyangugu, Rwanda
  • Average pressure in September: 1014mbar

The month with the highest atmospheric pressure is June (1015.6mbar).
The month with the lowest atmospheric pressure is February (1012.5mbar).

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Average wind speed in September
Cyangugu, Rwanda

Average wind speed in September - Cyangugu, Rwanda
  • Average wind speed in September: 5.2km/h

The windiest months (with the highest average wind speed) are May, June, July and August (5.6km/h).
The calmest month (with the lowest average wind speed) is December (4.1km/h).

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Average humidity in September
Cyangugu, Rwanda

Average humidity in September - Cyangugu, Rwanda
  • Average humidity in September: 62%

The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is August (60%).

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Average rainfall in September
Cyangugu, Rwanda

Average rainfall in September - Cyangugu, Rwanda
  • Average rainfall in September: 64mm

The wettest month (with the highest rainfall) is December (167mm).
The driest month (with the least rainfall) is July (21mm).

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Average rainfall days in September
Cyangugu, Rwanda

Average rainfall days in September - Cyangugu, Rwanda
  • Average rainfall days in September: 22.5 days

The months with the highest number of rainy days are March and December (30.1 days).
The month with the least rainy days is July (13.2 days).

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Average daylight in September /
Average sunshine in September
Cyangugu, Rwanda

Average daylight in September / Average sunshine in September - Cyangugu, Rwanda
  • 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 December (Average sunshine: 10h and 36min).
The month with the least sunshine is April (Average sunshine: 8h and 36min).

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Average sunshine days in September
Cyangugu, Rwanda

Average sunshine days in September - Cyangugu, Rwanda
  • Average sunshine days in September: 4.3 days

The month with the most sunshine days is July (15 days).
The month with the least sunshine days is November (0.1 days).

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Average UV index in September
Cyangugu, Rwanda

Average UV index in September - Cyangugu, Rwanda
  • 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).

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Average cloud cover in September
Cyangugu, Rwanda

Average cloud cover in September - Cyangugu, Rwanda
  • Average cloud cover in September: 26

The month with the most cloud cover is April (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 22).

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Average visibility in September
Cyangugu, Rwanda

Average visibility in September - Cyangugu, Rwanda
  • 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 January, February, March, April, May, October, November and December (9km).

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Cyangugu, Rwanda

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