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
September's weather records an average high-temperature of a still moderately hot 27.3°C (81.1°F), showing little deviation from August. Guazacapán experiences a mean temperature of 19°C (66.2°F) during September nights.Heat index
The heat index value for September is estimated at a hot 31°C (87.8°F). Uninterrupted exposure and activity might result in fatigue, potentially causing heat cramps.Be advised, the heat index considers values for conditions in shade and with a light breeze. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', melds the effects of warmth and moisture to generate a feeling of heat. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. With direct sunlight, be aware that it might enhance the heat sensation, raising the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
Humidity
The most humid month in Guazacapán is September, with an average relative humidity of 84%.Rainfall
In September, the rain falls for 29.4 days. Throughout September, 230mm (9.06") of precipitation is accumulated. In Guazacapán, during the entire year, the rain falls for 228.7 days and collects up to 1368mm (53.86") of precipitation.Daylight
The average length of the day in September is 12h and 12min.On the first day of September in Guazacapán, sunrise is at 05:49 and sunset at 18:12. On the last day of the month, sunrise is at 05:51 and sunset at 17:51 CST.
Sunshine
The average sunshine in September in Guazacapán is 9.7h.UV index
The months with the highest UV index in Guazacapán 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. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 6 during September translates into the following recommendations:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Guazacapán in September?
What is the most humid month in Guazacapán?
What is the average humidity in September in Guazacapán?
How many days does it rain in September in Guazacapán?
How many hours of daylight does Guazacapán have in September?
What time are sunrise and sunset in September in Guazacapán?
How many hours of sunshine does Guazacapán have in September?
What are the months with the highest UV index in Guazacapán?
What is the month with the lowest UV index in Guazacapán?
How high is the UV index in September in Guazacapán?
Average temperature in September
Guazacapán, Guatemala
- Average high temperature in September: 27.3°C
The warmest month (with the highest average high temperature) is March (30.6°C).
The month with the lowest average high temperature is October (27.1°C).
- Average low temperature in September: 19°C
The month with the highest average low temperature is May (20.7°C).
The coldest month (with the lowest average low temperature) is January (17.2°C).
Average pressure in September
Guazacapán, Guatemala
- Average pressure in September: 1012.3mbar
The month with the highest atmospheric pressure is January (1014.6mbar).
The months with the lowest atmospheric pressure are May and October (1012.2mbar).
Average wind speed in September
Guazacapán, Guatemala
- Average wind speed in September: 5.6km/h
The windiest month (with the highest average wind speed) is January (9.3km/h).
The calmest month (with the lowest average wind speed) is September (5.6km/h).
Average humidity in September
Guazacapán, Guatemala
- Average humidity in September: 84%
The month with the highest relative humidity is September (84%).
The month with the lowest relative humidity is March (61%).
Average rainfall in September
Guazacapán, Guatemala
- Average rainfall in September: 230mm
The wettest month (with the highest rainfall) is June (240mm).
The driest month (with the least rainfall) is January (4mm).
Average rainfall days in September
Guazacapán, Guatemala
- Average rainfall days in September: 29.4 days
The month with the highest number of rainy days is September (29.4 days).
The month with the least rainy days is January (4.3 days).
Average daylight in September /
Average sunshine in September
Guazacapán, Guatemala
- Average daylight in September: 12h and 1min
The month with the longest days is June (Average daylight: 12h and 54min).
The month with the shortest days is December (Average daylight: 11h and 18min).
- Average sunshine in September: 9h and 4min
The month with the most sunshine is April (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 7h and 36min).
Average sunshine days in September
Guazacapán, Guatemala
- Average sunshine days in September: 0.3 days
The month with the most sunshine days is January (23.9 days).
The month with the least sunshine days is September (0.3 days).
Average UV index in September
Guazacapán, 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
Guazacapán, Guatemala
- Average cloud cover in September: 42
The month with the most cloud cover is September (Cloud cover 42).
The months with the least cloud cover are January and December (Cloud cover 11).
Average visibility in September
Guazacapán, Guatemala
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, November and December (10km).
The months with the lowest visibility are May, June, July, August, September and October (9km).
