September weather forecastEl Triunfo, Guatemala

September

Weather in September

September, the first month of the autumn in El Triunfo, is still a warm month, with an average temperature varying between 23.4°C (74.1°F) and 15.1°C (59.2°F).

Temperature

September's beginning signals an average high-temperature of a still moderately hot 23.4°C (74.1°F), barely different from August's 24.2°C (75.6°F). El Triunfo records an average temperature drop to a moderate 15.1°C (59.2°F) in September.

Humidity

The most humid month is September, with an average relative humidity of 90%.

Rainfall

The month with the most rainfall in El Triunfo is September, when the rain falls for 28.8 days and typically aggregates up to 298mm (11.73") of precipitation.

Daylight

In El Triunfo, the average length of the day in September is 12h and 13min.
On the first day of the month, sunrise is at 05:49 and sunset at 18:12. On the last day of September, sunrise is at 05:50 and sunset at 17:51 CST.

Sunshine

In El Triunfo, the average sunshine in September is 7.6h.

UV index

In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.
Note: In September, a daily UV index of 5 turns into the following recommendations:
Take precautions - Protection against sunburn is recommended. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.

Updated: Jun 11, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature during September is 23.4°C (74.1°F) and the low-temperature is 15.1°C (59.2°F). The average heat index (a.k.a. 'real feel', 'feels like'), which factors the actual air temperature with the relative humidity, in April is calculated to be 29°C (84.2°F).

September is the most humid month, with an average relative humidity of 90%.

In El Triunfo, the average relative humidity in September is 90%.

The month with the most rainfall is September, when the rain falls for 28.8 days and typically aggregates up to 298mm (11.73") of precipitation.

In El Triunfo, in September, during 28.8 rainfall days, 298mm (11.73") of precipitation is typically accumulated.

In September, the average day length is 12h and 13min.

In September, on the first day of the month, sunrise is at 05:49 and sunset at 18:12. On the last day of the month, sunrise is at 05:50 and sunset at 17:51 CST.

In September, the average sunshine duration is 7.6h.

In September, the average daily maximum UV index in El Triunfo is 5. A UV Index reading of 3 to 5 represents a moderate health threat from unsafe exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J J A September O N D

Aug

September

Oct

Average high temperature

24.2°C

23.4°C

22.5°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

7km/h

6.1km/h

9km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

2.2

0.8

3.7

Average UV index

Average cloud cover

Average visibility

Average temperature in September
El Triunfo, Guatemala

Average high temperature in September: 23.4°C

The warmest month (with the highest average high temperature) is April (27.3°C).
The month with the lowest average high temperature is October (22.5°C).

Average low temperature in September: 15.1°C

The month with the highest average low temperature is May (16.5°C).
The coldest month (with the lowest average low temperature) is January (11.8°C).

Average pressure in September
El Triunfo, Guatemala

Average pressure in September: 1012.6mbar

The month with the highest atmospheric pressure is January (1015.5mbar).
The month with the lowest atmospheric pressure is May (1012.5mbar).

Average wind speed in September
El Triunfo, Guatemala

Average wind speed in September: 5.7km/h

The windiest month (with the highest average wind speed) is January (12.8km/h).
The calmest month (with the lowest average wind speed) is September (5.7km/h).

Average humidity in September
El Triunfo, Guatemala

Average humidity in September: 90%

The month with the highest relative humidity is September (90%).
The month with the lowest relative humidity is March (69%).

Average rainfall in September
El Triunfo, Guatemala

Average rainfall in September: 298mm

The wettest month (with the highest rainfall) is September (298mm).
The driest month (with the least rainfall) is January (7mm).

Average rainfall days in September
El Triunfo, Guatemala

Average rainfall days in September: 28.8 days

The month with the highest number of rainy days is September (28.8 days).
The month with the least rainy days is January (6.7 days).

Average daylight in September /
Average sunshine in September
El Triunfo, Guatemala

Average daylight in September: 12h and 12min

The month with the longest days is June (Average daylight: 13h and 0min).
The month with the shortest days is December (Average daylight: 11h and 18min).

Average sunshine in September: 7h and 36min

The month with the most sunshine is April (Average sunshine: 11h and 18min).
The month with the least sunshine is October (Average sunshine: 7h and 24min).

Average sunshine days in September
El Triunfo, Guatemala

Average sunshine days in September: 0.8 days

The month with the most sunshine days is January (20.8 days).
The month with the least sunshine days is September (0.8 days).

Average UV index in September
El Triunfo, Guatemala

Average UV index in September: 5

The months with the highest UV index are March and April (UV index 6).
The months with the lowest UV index are August and October (UV index 4).

Average cloud cover in September
El Triunfo, Guatemala

Average cloud cover in September: 60

The month with the most cloud cover is September (Cloud cover 60).
The months with the least cloud cover are January, February and March (Cloud cover 26).