September weather forecast and climate
Roa, Colombia

Weather in September

The first month of the autumn, September, is still a pleasant month in Roa, Colombia, with average temperature ranging between min 11.9°C (53.4°F) and max 22.5°C (72.5°F).

Temperature

In September, the average high-temperature is almost the same as in August - an agreeable 22.5°C (72.5°F). In September, the average low-temperature is 11.9°C (53.4°F).

Humidity

The average relative humidity in September is 79%.

Rainfall

In Roa, during 24.2 rainfall days, 121mm (4.76") of precipitation is typically accumulated. Throughout the year, there are 327.3 rainfall days, and 2531mm (99.65") of precipitation is accumulated.

Daylight

In Roa, the average length of the day is 12.1h.

Sunshine

In September, the average sunshine in Roa is 9.4h.

UV index

Months with the highest UV index are January through March, May, July through September and December, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a moderate health risk from the exposure to the Sun's UV radiation for the ordinary person.
Note: The average daily UV index of 5 transform into the following instructions:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in September in Roa?

In September, in Roa, Colombia, the average high-temperature is 22.5°C (72.5°F), and the average low-temperature is 11.9°C (53.4°F).

What is the average humidity in September in Roa?

In September, the average relative humidity in Roa, Colombia, is 79%.

How many days does it rain in September in Roa?

In Roa, Colombia, in September, during 24.2 rainfall days, 121mm (4.76") of precipitation is typically accumulated.

What is the average length of the day in September in Roa?

In Roa, Colombia, the average length of the day in September is 12.1h.

How long on average sun shines in September in Roa?

In Roa, the average sunshine in September is 9.4h.

When is the highest UV index in Roa?

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

What is the UV index intensity in September in Roa?

The average daily maximum UV index in September in Roa is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability from the exposure to the Sun's UV rays.

Average temperature in September
Roa, Colombia

Average temperature in September - Roa, Colombia
  • Average high temperature in September: 22.5°C

The warmest month (with the highest average high temperature) is August (23°C).
The month with the lowest average high temperature is November (20.6°C).

  • Average low temperature in September: 11.9°C

The month with the highest average low temperature is April (12.8°C).
The coldest months (with the lowest average low temperature) are July and August (11.5°C).

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Average pressure in September
Roa, Colombia

Average pressure in September - Roa, Colombia
  • Average pressure in September: 1014mbar

Months with the highest atmospheric pressure are June and July (1014.6mbar).
The month with the lowest atmospheric pressure is November (1012.6mbar).

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Average wind speed in September
Roa, Colombia

Average wind speed in September - Roa, Colombia
  • Average wind speed in September: 4.3km/h

The windiest months (with the highest average wind speed) are July and August (4.9km/h).
The calmest month (with the lowest average wind speed) is November (3.3km/h).

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Average humidity in September
Roa, Colombia

Average humidity in September - Roa, Colombia
  • Average humidity in September: 79%

The month with the highest relative humidity is November (91%).
The month with the lowest relative humidity is August (77%).

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Average rainfall in September
Roa, Colombia

Average rainfall in September - Roa, Colombia
  • Average rainfall in September: 121mm

The wettest month (with the highest rainfall) is April (351mm).
The driest month (with the least rainfall) is August (95mm).

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Average rainfall days in September
Roa, Colombia

Average rainfall days in September - Roa, Colombia
  • Average rainfall days in September: 24.2 days

The month with the highest number of rainy days is March (30.3 days).
The month with the least rainy days is August (23.6 days).

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Average daylight in September /
Average sunshine in September
Roa, Colombia

Average daylight in September / Average sunshine in September - Roa, Colombia
  • Average daylight in September: 12.1h

Months with the longest days are May, June and July (Average daylight: 12.4h).
Months with the shortest days are January and December (Average daylight: 11.8h).

  • Average sunshine in September: 9.4h

The month with the most sunshine is August (Average sunshine: 11.1h).
Months with the least sunshine are January and November (Average sunshine: 7.2).

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Average sunshine days in September
Roa, Colombia

Average sunshine days in September - Roa, Colombia
  • Average sunshine days in September: 4.5 days

The month with the most sunshine days is August (6 days).
The month with the least sunshine days is November (0 days).

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Average UV index in September
Roa, Colombia

Average UV index in September - Roa, Colombia
  • Average UV index in September: 5

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

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Average cloud cover in September
Roa, Colombia

Average cloud cover in September - Roa, Colombia
  • Average cloud cover in September: 36

The month with the most cloud cover is November (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 33).

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Average visibility in September
Roa, Colombia

Average visibility in September - Roa, Colombia
  • Average visibility in September: 8km

The month with the highest visibility is August (9km).
Months with the lowest visibility are March, April, May, October, November and December (7km).

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