Quetzaltenango
Guatemala
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Quetzaltenango, Guatemala

September, the first month of the autumn, in Quetzaltenango, is still a pleasant month, with average temperature ranging between min 9°C (48.2°F) and max 20.9°C (69.6°F).

Temperature

The coldest month is September, with an average high-temperature of 20.9°C (69.6°F) and an average low-temperature of 9°C (48.2°F).

Humidity

September is the most humid month, with an average relative humidity of 81.2%.

Rainfall

In September, the rain falls for 22.8 days. Throughout September, 134.7mm (5.3") of precipitation is accumulated. In Quetzaltenango, during the entire year, the rain falls for 129.2 days and collects up to 802.1mm (31.6") of precipitation.

Daylight

In Quetzaltenango, the average length of the day in September is 12.2h.

Sunshine

With an average of 4.5h of sunshine, September has the least sunshine of the year.

UV index

Months with the highest UV index in Quetzaltenango are February through October, with an average maximum UV index of 12. A UV Index estimate of 11, and higher, represents an excessive health risk from the exposure to the Sun's UV rays for ordinary individuals.
The daily maximum UV index of 12 interpret into the following advice:
Practice all-important precautions. Light skin people may get burned in less than 5 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the coldest month in Quetzaltenango?

With an average high-temperature of 20.9°C (69.6°F) and an average low-temperature of 9°C (48.2°F), September is the coldest month in Quetzaltenango, Guatemala.

What is the temperature in September in Quetzaltenango?

In September, in Quetzaltenango, the average high-temperature is 20.9°C (69.6°F), and the average low-temperature is 9°C (48.2°F).

What is the most humid month in Quetzaltenango?

The most humid month in Quetzaltenango is September, with an average relative humidity of 81.2%.

What is the average humidity in September in Quetzaltenango?

The average relative humidity in September in Quetzaltenango, Guatemala, is 81.2%.

How many days does it rain in September in Quetzaltenango?

In Quetzaltenango, Guatemala, in September, during 22.8 rainfall days, 134.7mm (5.3") of precipitation is typically accumulated.

How many hours of daylight does Quetzaltenango have in September?

In September, the average length of the day is 12.2h.

What is the month with the least sunshine in Quetzaltenango?

The month with the least sunshine is September, with an average of 4.5h of sunshine.

How many hours of sunshine does Quetzaltenango have in September?

In Quetzaltenango, Guatemala, the average sunshine in September is 4.5h.

What are the months with the highest UV index in Quetzaltenango?

Months with the highest UV index in Quetzaltenango are February through October, with an average maximum UV index of 12.

What is the UV index intensity in September in Quetzaltenango?

The average daily maximum UV index in September in Quetzaltenango, Guatemala, is 12. A UV Index of 11, and more, symbolizes an excessive health risk from unprotected exposure to the UV radiation.
Average temperature in September - Quetzaltenango, Guatemala
  • Average high temperature in September: 20.9°C

The warmest month (with the highest average high temperature) is March (25.5°C).
The month with the lowest average high temperature is September (20.9°C).

  • Average low temperature in September: 9°C

The month with the highest average low temperature is June (9.3°C).
The coldest month (with the lowest average low temperature) is January (2.3°C).

Average humidity in September - Quetzaltenango, Guatemala
  • Average humidity in September: 81.2%

The month with the highest relative humidity is September (81.2%).
The month with the lowest relative humidity is February (63.1%).

Average rainfall in September - Quetzaltenango, Guatemala
  • Average rainfall in September: 134.7mm

The wettest month (with the highest rainfall) is June (147.8mm).
The driest month (with the lowest rainfall) is January (1.8mm).

Average rainfall days in September - Quetzaltenango, Guatemala
  • Average rainfall days in September: 22.8 days

The month with the highest number of rainy days is September (22.8 days).
The month with the lowest number of rainy days is January (0.8 days).

Average daylight in September / Average sunshine in September - Quetzaltenango, Guatemala
  • Average daylight in September: 12.2h

The month with the longest days is June (Average daylight: 13h).
The month with shortest days is December (Average daylight: 11.3h).

  • Average sunshine in September: 4.5h

The month with most sunshine is February (Average sunshine: 8.6h).
The month with least sunshine is September (Average sunshine: 4.5h).

Average UV index in September - Quetzaltenango, Guatemala
  • Average UV index in September: 12

Months with the highest UV index are February, March, April, May, June, July, August, September and October (UV index 12).
The month with the lowest UV index is December (UV index 9).