Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
San José El Idolo experiences its lowest average temperatures in September, reaching a peak of 28.5°C (83.3°F) and a minimum of 19.4°C (66.9°F).Heat index
Throughout September, the heat index is appraised at a hot 33°C (91.4°F). Adopt special protective actions against heat exhaustion and heat cramps. Long-duration activity risks heatstroke.In the scope of the heat index, its values resonate with shade and light wind conditions. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', gives an indication of how one might feel in terms of heat after considering humidity. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Young children typically face greater hazards than adults because they do not sweat as much. Their larger skin surface in comparison to their little bodies and the high heat production from their active nature compounds their vulnerability.
Humidity
September and October, with an average relative humidity of 79%, are the most humid months in San José El Idolo.Rainfall
In September, in San José El Idolo, the rain falls for 27.5 days. Throughout September, 209mm (8.23") of precipitation is accumulated. In San José El Idolo, during the entire year, the rain falls for 222.8 days and collects up to 1491mm (58.7") 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 05:53 and sunset at 18:17. On the last day of September, sunrise is at 05:55 and sunset at 17:55 CST.
Sunshine
The average sunshine in September is 10.4h.UV index
The months with the highest UV index are January through December, with an average maximum UV index of 6. January through December, with an average maximum UV index of 6, are months with the lowest UV index in San José El Idolo. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In September, a daily maximum UV index of 6 leads to the following instructions:
Inhibit overexposure. Warding off sun damage is of utmost importance. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year in San José El Idolo?
How hot is September in San José El Idolo?
What are the most humid months in San José El Idolo?
What is the average humidity in September in San José El Idolo?
How many days does it rain in September in San José El Idolo?
How many hours of daylight does San José El Idolo have in September?
What time are sunrise and sunset in September in San José El Idolo?
How long on average sun shines in September in San José El Idolo?
When is the highest UV index in San José El Idolo?
What are the months with the lowest UV index in San José El Idolo?
What is the UV index reading in September in San José El Idolo?
Average temperature in September
San José El Idolo, Guatemala
- Average high temperature in September: 28.5°C
The warmest month (with the highest average high temperature) is March (31.5°C).
The month with the lowest average high temperature is September (28.5°C).
- Average low temperature in September: 19.4°C
The month with the highest average low temperature is May (20.5°C).
The coldest month (with the lowest average low temperature) is December (17.6°C).
Average pressure in September
San José El Idolo, Guatemala
- Average pressure in September: 1012.4mbar
The month with the highest atmospheric pressure is January (1014.5mbar).
The month with the lowest atmospheric pressure is October (1012.2mbar).
Average wind speed in September
San José El Idolo, Guatemala
- Average wind speed in September: 5.2km/h
The windiest month (with the highest average wind speed) is March (6.6km/h).
The calmest month (with the lowest average wind speed) is May (5.1km/h).
Average humidity in September
San José El Idolo, Guatemala
- Average humidity in September: 79%
The months with the highest relative humidity are September and October (79%).
The months with the lowest relative humidity are January, February and March (59%).
Average rainfall in September
San José El Idolo, Guatemala
- Average rainfall in September: 209mm
The wettest month (with the highest rainfall) is May (274mm).
The driest months (with the least rainfall) are January and February (7mm).
Average rainfall days in September
San José El Idolo, Guatemala
- Average rainfall days in September: 27.5 days
The month with the highest number of rainy days is September (27.5 days).
The month with the least rainy days is January (4.8 days).
Average daylight in September /
Average sunshine in September
San José El Idolo, Guatemala
- Average daylight in September: 12h and 1min
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: 10h and 2min
The months with the most sunshine are April and July (Average sunshine: 11h and 12min).
The month with the least sunshine is November (Average sunshine: 7h and 24min).
Average sunshine days in September
San José El Idolo, Guatemala
- Average sunshine days in September: 1.5 days
The month with the most sunshine days is January (24.4 days).
The month with the least sunshine days is September (1.5 days).
Average UV index in September
San José El Idolo, Guatemala
- Average UV index in September: 6
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 6).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 6).
Average cloud cover in September
San José El Idolo, Guatemala
- Average cloud cover in September: 36
The month with the most cloud cover is June (Cloud cover 38).
The month with the least cloud cover is January (Cloud cover 12).
Average visibility in September
San José El Idolo, Guatemala
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April and December (10km).
The months with the lowest visibility are May, June, July, August, September, October and November (9km).
