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
The coldest time of the year is September, with temperatures averaging a high of 16.7°C (62.1°F) and a low of 9.8°C (49.6°F).Humidity
With an average relative humidity of 93%, September is the most humid month in Llano Grande.Rainfall
In September, the rain falls for 29.9 days. Throughout September, 471mm (18.54") of precipitation is accumulated. In Llano Grande, during the entire year, the rain falls for 295.3 days and collects up to 2656mm (104.57") of precipitation.Daylight
In September, the average length of the day is 12h and 13min.On the first day of September in Llano Grande, sunrise is at 05:53 and sunset at 18:18. On the last day of the month, sunrise is at 05:55 and sunset at 17:55 CST.
Sunshine
The months with the least sunshine are June and September, with an average of 5.4h of sunshine.UV index
January, June, August, September and November, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: In September, the maximum UV index of 3 suggests these recommendations:
Take necessary precautions - Defending against sun damage is advocated. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest in Llano Grande?
What is the temperature in September in Llano Grande?
What is the most humid month in Llano Grande?
What is the average humidity in September in Llano Grande?
How many days does it rain in September in Llano Grande?
What is the average length of the day in September in Llano Grande?
What time are sunrise and sunset in September in Llano Grande?
What is the month with the least sunshine in Llano Grande?
How long on average sun shines in September in Llano Grande?
When is the lowest UV index in Llano Grande?
What is the UV index intensity in September in Llano Grande?
Average temperature in September
Llano Grande, Guatemala
- Average high temperature in September: 16.7°C
The warmest month (with the highest average high temperature) is April (21°C).
The month with the lowest average high temperature is September (16.7°C).
- Average low temperature in September: 9.8°C
The month with the highest average low temperature is June (10.4°C).
The coldest month (with the lowest average low temperature) is January (6°C).
Average pressure in September
Llano Grande, Guatemala
- Average pressure in September: 1013.1mbar
The month with the highest atmospheric pressure is January (1016.3mbar).
The month with the lowest atmospheric pressure is May (1013mbar).
Average wind speed in September
Llano Grande, Guatemala
- Average wind speed in September: 4.6km/h
The windiest month (with the highest average wind speed) is July (6.5km/h).
The calmest month (with the lowest average wind speed) is May (4.4km/h).
Average humidity in September
Llano Grande, Guatemala
- Average humidity in September: 93%
The month with the highest relative humidity is September (93%).
The months with the lowest relative humidity are March and April (77%).
Average rainfall in September
Llano Grande, Guatemala
- Average rainfall in September: 471mm
The wettest month (with the highest rainfall) is June (521mm).
The driest month (with the least rainfall) is February (24mm).
Average rainfall days in September
Llano Grande, Guatemala
- Average rainfall days in September: 29.9 days
The month with the highest number of rainy days is August (30 days).
The month with the least rainy days is February (16 days).
Average daylight in September /
Average sunshine in September
Llano Grande, Guatemala
- Average daylight in September: 12h and 1min
The month with the longest days is June (Average daylight: 13h and 6min).
The month with the shortest days is December (Average daylight: 11h and 12min).
- Average sunshine in September: 5h and 2min
The month with the most sunshine is April (Average sunshine: 9h and 48min).
The months with the least sunshine are June and September (Average sunshine: 5h and 24min).
Average sunshine days in September
Llano Grande, Guatemala
- Average sunshine days in September: 0.1 days
The month with the most sunshine days is December (9.5 days).
The month with the least sunshine days is September (0.1 days).
Average UV index in September
Llano Grande, Guatemala
- Average UV index in September: 3
The months with the highest UV index are February, March, April, May, July, October and December (UV index 4).
The months with the lowest UV index are January, June, August, September and November (UV index 3).
Average cloud cover in September
Llano Grande, Guatemala
- Average cloud cover in September: 75
The months with the most cloud cover are June and September (Cloud cover 75).
The month with the least cloud cover is March (Cloud cover 41).
Average visibility in September
Llano Grande, Guatemala
- Average visibility in September: 5km
The month with the highest visibility is April (8km).
The months with the lowest visibility are September and October (5km).
