September weather forecastLos Horcones, Guatemala

September

Weather in September

September, the first month of the autumn in Los Horcones, is also a moderately hot month, with an average temperature ranging between max 29.5°C (85.1°F) and min 18.8°C (65.8°F).

Temperature

The ushering in of September brings an average high-temperature of a still warm 29.5°C (85.1°F), closely mirroring the 29.7°C (85.5°F) of August. Los Horcones throughout September, experiences an average nighttime temperature of 18.8°C (65.8°F).

Heat index

The heat index in September is evaluated at a fiery hot 37°C (98.6°F). More preventive actions are needed, risk of heat exhaustion and heat cramps is significant. Prolonged activity may trigger heatstroke.
When referencing the heat index, its values are suitable for shady environments and light breezes. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', gives a temperature feeling by integrating air temperature and humidity. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are especially crucial for babies and toddlers. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.
Perspiring is how the human body naturally cools down, as sweat's evaporation takes away excess heat. With a high level of moisture in the air, the evaporation process becomes less efficient, preventing the body from cooling down efficiently and resulting in a sensation of overheating. Increasing body temperatures can be a precursor to dehydration if the body can't shed the extra heat.

Humidity

In Los Horcones, Guatemala, the average relative humidity in September is 83%.

Rainfall

September is the month with the most rainfall. Rain falls for 23.8 days and accumulates 132mm (5.2") of precipitation.

Daylight

The average length of the day in September is 12h and 13min.
On the first day of the month, sunrise is at 05:47 and sunset at 18:10. On the last day of September, sunrise is at 05:48 and sunset at 17:49 CST.

Sunshine

In Los Horcones, the average sunshine in September is 8.1h.

UV index

In September, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for average individuals.
Note: In September, an average UV index of 6 transforms into the following instructions:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.

Frequently asked questions

The high-temperature, in September, in Los Horcones, records 29.5°C (85.1°F), while the low-temperature is 18.8°C (65.8°F). In September, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 37°C (98.6°F).

In Los Horcones, the average relative humidity in September is 83%.

September is the month with the most rainfall. Rain falls for 23.8 days and accumulates 132mm (5.2") of precipitation.

In Los Horcones, in September, it is raining for 23.8 days, with typically 132mm (5.2") of accumulated precipitation.

The average day length in September is 12h and 13min.

In September, on the first day of the month, sunrise is at 05:47 and sunset at 18:10. On the last day of the month, sunrise is at 05:48 and sunset at 17:49 CST.

In September, the average sunshine duration is 8.1h.

The average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Los Horcones, Guatemala

  • Average high temperature in September: 29.5°C

The warmest month (with the highest average high temperature) is April (32.3°C).
The month with the lowest average high temperature is January (25.1°C).

  • Average low temperature in September: 18.8°C

The month with the highest average low temperature is May (20.2°C).
The coldest month (with the lowest average low temperature) is January (15.7°C).

Average pressure in September
Los Horcones, Guatemala

  • Average pressure in September: 1012.5mbar

The month with the highest atmospheric pressure is January (1016.3mbar).
The month with the lowest atmospheric pressure is September (1012.5mbar).

Average wind speed in September
Los Horcones, Guatemala

  • Average wind speed in September: 5km/h

The windiest month (with the highest average wind speed) is January (7.6km/h).
The calmest month (with the lowest average wind speed) is September (5km/h).

Average humidity in September
Los Horcones, Guatemala

  • Average humidity in September: 83%

The months with the highest relative humidity are October and November (84%).
The month with the lowest relative humidity is April (67%).

Average rainfall in September
Los Horcones, Guatemala

  • Average rainfall in September: 132mm

The wettest month (with the highest rainfall) is September (132mm).
The driest month (with the least rainfall) is March (8mm).

Average rainfall days in September
Los Horcones, Guatemala

  • Average rainfall days in September: 23.8 days

The months with the highest number of rainy days are June and September (23.8 days).
The month with the least rainy days is December (9.3 days).

Average daylight in September /
Average sunshine in September
Los Horcones, 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: 8h and 6min

The month with the most sunshine is April (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 6h and 0min).

Average sunshine days in September
Los Horcones, Guatemala

  • Average sunshine days in September: 3.9 days

The month with the most sunshine days is March (16.3 days).
The month with the least sunshine days is June (3 days).

Average UV index in September
Los Horcones, Guatemala

  • Average UV index in September: 6

The month with the highest UV index is March (UV index 7).
The months with the lowest UV index are January and November (UV index 5).

Average cloud cover in September
Los Horcones, Guatemala

  • Average cloud cover in September: 53

The month with the most cloud cover is November (Cloud cover 58).
The month with the least cloud cover is April (Cloud cover 30).

Average visibility in September
Los Horcones, Guatemala

  • Average visibility in September: 7km

The months with the highest visibility are April and May (9km).
The months with the lowest visibility are July, October, November and December (6km).