September weather forecastLa Mesilla, Guatemala
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in La Mesilla, Guatemala, with an average temperature varying between 26.2°C (79.2°F) and 15.3°C (59.5°F).Temperature
La Mesilla notes an average high-temperature of a still warm 26.2°C (79.2°F) in September, hardly diverging from August. An average low-temperature of 15.3°C (59.5°F) is recorded in the month of September.Humidity
September is the most humid month, with an average relative humidity of 84%.Rainfall
In September, in La Mesilla, the rain falls for 26.9 days. Throughout September, 212mm (8.35") of precipitation is accumulated. Throughout the year, in La Mesilla, there are 204.7 rainfall days, and 1183mm (46.57") of precipitation is accumulated.Daylight
In La Mesilla, the average length of the day in September is 12h and 13min.On the first day of September in La Mesilla, sunrise is at 05:55 and sunset at 18:20. On the last day of the month, sunrise is at 05:57 and sunset at 17:57 CST.
Sunshine
In September, the average sunshine is 9.5h.UV index
January, February, August through December, with an average maximum UV index of 5, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 5 in September interprets into the following recommendations:
Be vigilant - Suggestions to stave off sun damage are provided. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
La Mesilla, Guatemala
- Average high temperature in September: 26.2°C
The warmest month (with the highest average high temperature) is April (29.6°C).
The month with the lowest average high temperature is January (23.7°C).
- Average low temperature in September: 15.3°C
The month with the highest average low temperature is May (17.1°C).
The coldest month (with the lowest average low temperature) is January (11.4°C).
Average pressure in September
La Mesilla, Guatemala
- Average pressure in September: 1012.9mbar
The month with the highest atmospheric pressure is January (1016.7mbar).
The month with the lowest atmospheric pressure is May (1012.6mbar).
Average wind speed in September
La Mesilla, Guatemala
- Average wind speed in September: 4km/h
The windiest month (with the highest average wind speed) is July (6.6km/h).
The calmest month (with the lowest average wind speed) is September (4km/h).
Average humidity in September
La Mesilla, Guatemala
- Average humidity in September: 84%
The month with the highest relative humidity is September (84%).
The month with the lowest relative humidity is April (63%).
Average rainfall in September
La Mesilla, Guatemala
- Average rainfall in September: 212mm
The wettest month (with the highest rainfall) is June (242mm).
The driest month (with the least rainfall) is December (10mm).
Average rainfall days in September
La Mesilla, Guatemala
- Average rainfall days in September: 26.9 days
The month with the highest number of rainy days is September (26.9 days).
The month with the least rainy days is December (7.1 days).
Average daylight in September /
Average sunshine in September
La Mesilla, 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 12min).
- Average sunshine in September: 9h and 30min
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 6min).
Average sunshine days in September
La Mesilla, Guatemala
- Average sunshine days in September: 2.1 days
The month with the most sunshine days is December (18.8 days).
The month with the least sunshine days is September (2.1 days).
Average UV index in September
La Mesilla, Guatemala
- Average UV index in September: 5
The months with the highest UV index are March, April, May, June and July (UV index 6).
The months with the lowest UV index are January, February, August, September, October, November and December (UV index 5).
Average cloud cover in September
La Mesilla, Guatemala
- Average cloud cover in September: 45
The month with the most cloud cover is September (Cloud cover 45).
The month with the least cloud cover is March (Cloud cover 19).
Average visibility in September
La Mesilla, Guatemala
- Average visibility in September: 8km
The months with the highest visibility are March and April (10km).
The months with the lowest visibility are August, September, October and November (8km).





