Antigua Guatemala
Guatemala
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Antigua Guatemala, Guatemala

September, the first month of the autumn, in Antigua Guatemala, is still a warm month, with average temperature varying between 14.4°C (57.9°F) and 23.1°C (73.6°F).

Temperature

In September, the average high-temperature is essentially the same as in August - a still moderately hot 23.1°C (73.6°F). In September, in Antigua Guatemala, the average low-temperature is 14.4°C (57.9°F).

Rainfall

In Antigua Guatemala, Guatemala, it is raining for 26 days, with typically 220mm (8.7") of accumulated precipitation. In Antigua Guatemala, Guatemala, during the entire year, the rain falls for 190 days and collects up to 1065mm (41.9") of precipitation.

Daylight

The average length of the day in September is 12.2h.

Sunshine

September and October, with an average of 6h of sunshine, are months with the least sunshine.

UV index

Months with the highest UV index are February through October, with an average maximum UV index of 12. A UV Index reading of 11, and higher, represents an ultimate health vulnerability from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 12 in September interpret into the following advice:
Practice all essential precautions. Protection against sun damage is crucial. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. 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.

What is the temperature in September in Antigua Guatemala?

The average high-temperature, in September, is 23.1°C (73.6°F), while the average low-temperature is 14.4°C (57.9°F).

How many days does it rain in September in Antigua Guatemala?

In September, in Antigua Guatemala, the rain falls for 26 days. Throughout September, 220mm (8.7") of precipitation is accumulated.

What is the average length of the day in September in Antigua Guatemala?

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

What is the month with the least sunshine in Antigua Guatemala?

Months with the least sunshine in Antigua Guatemala, Guatemala, are September and October, with an average of 6h of sunshine.

How long on average sun shines in September in Antigua Guatemala?

In September, the average sunshine is 6h.

When is the highest UV index in Antigua Guatemala?

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

What is the UV index reading in September in Antigua Guatemala?

In Antigua Guatemala, Guatemala, the average daily maximum UV index in September is 12. A UV Index reading of 11, and higher, represents an extreme health vulnerability from unprotected exposure to the UV radiation.
Average temperature in September - Antigua Guatemala, Guatemala
  • Average high temperature in September: 23.1°C

The warmest month (with the highest average high temperature) is April (25°C).
The month with the lowest average high temperature is December (22.3°C).

  • Average low temperature in September: 14.4°C

The month with the highest average low temperature is June (15.3°C).
The coldest month (with the lowest average low temperature) is January (10.8°C).

Average rainfall in September - Antigua Guatemala, Guatemala
  • Average rainfall in September: 220mm

The wettest month (with the highest rainfall) is June (231mm).
The driest month (with the lowest rainfall) is January (1mm).

Average rainfall days in September - Antigua Guatemala, Guatemala
  • Average rainfall days in September: 26 days

Months with the highest number of rainy days are June and September (26 days).
Months with the lowest number of rainy days are February and March (6 days).

Average daylight in September / Average sunshine in September - Antigua Guatemala, 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: 6h

Months with most sunshine are January, February, March, April, May and December (Average sunshine: 8h).
Months with least sunshine are September and October (Average sunshine: 6).

Average UV index in September - Antigua Guatemala, 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).