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
Weather in September
Temperature
The average high-temperature during September is a still warm 23.4°C (74.1°F), almost matching the conditions of the preceding month. Throughout September, the nighttime temperature averages to a refreshing 15°C (59°F).Humidity
September is the most humid month, with an average relative humidity of 90%.Rainfall
In San Martín Jilotepeque, in September, during 28.7 rainfall days, 269mm (10.59") of precipitation is typically accumulated. Throughout the year, in San Martín Jilotepeque, there are 231.3 rainfall days, and 1656mm (65.2") of precipitation is accumulated.Daylight
The average length of the day in September is 12h and 13min.On the first day of September, sunrise is at 05:51 and sunset at 18:14. On the last day of the month, sunrise is at 05:52 and sunset at 17:53 CST.
Sunshine
In September, the average sunshine is 7.7h.UV index
In September, the average daily maximum UV index in San Martín Jilotepeque is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 5 in September translates into these instructions:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Frequently asked questions
What is the average September temperature in San Martín Jilotepeque?
What is the most humid month in San Martín Jilotepeque?
What is the average humidity in September in San Martín Jilotepeque?
How many days does it rain in September in San Martín Jilotepeque?
How many hours of daylight does San Martín Jilotepeque have in September?
When is the sunrise / sunset in September in San Martín Jilotepeque?
How many hours of sunshine does San Martín Jilotepeque have in September?
What is the UV index reading in September in San Martín Jilotepeque?
Average temperature in September
San Martín Jilotepeque, Guatemala
- Average high temperature in September: 23.4°C
The warmest month (with the highest average high temperature) is April (27.3°C).
The month with the lowest average high temperature is October (22.5°C).
- Average low temperature in September: 15°C
The month with the highest average low temperature is May (16.5°C).
The coldest month (with the lowest average low temperature) is January (11.8°C).
Average pressure in September
San Martín Jilotepeque, Guatemala
- Average pressure in September: 1012.6mbar
The month with the highest atmospheric pressure is January (1015.5mbar).
The month with the lowest atmospheric pressure is May (1012.5mbar).
Average wind speed in September
San Martín Jilotepeque, Guatemala
- Average wind speed in September: 5.9km/h
The windiest month (with the highest average wind speed) is January (12.8km/h).
The calmest month (with the lowest average wind speed) is September (5.9km/h).
Average humidity in September
San Martín Jilotepeque, Guatemala
- Average humidity in September: 90%
The month with the highest relative humidity is September (90%).
The month with the lowest relative humidity is March (69%).
Average rainfall in September
San Martín Jilotepeque, Guatemala
- Average rainfall in September: 269mm
The wettest month (with the highest rainfall) is May (285mm).
The driest month (with the least rainfall) is January (7mm).
Average rainfall days in September
San Martín Jilotepeque, Guatemala
- Average rainfall days in September: 28.7 days
The month with the highest number of rainy days is September (28.7 days).
The month with the least rainy days is January (6.7 days).
Average daylight in September /
Average sunshine in September
San Martín Jilotepeque, 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: 7h and 4min
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 24min).
Average sunshine days in September
San Martín Jilotepeque, Guatemala
- Average sunshine days in September: 0.9 days
The month with the most sunshine days is January (20.8 days).
The month with the least sunshine days is September (0.9 days).
Average UV index in September
San Martín Jilotepeque, Guatemala
- Average UV index in September: 5
The months with the highest UV index are March and April (UV index 6).
The months with the lowest UV index are August and October (UV index 4).
Average cloud cover in September
San Martín Jilotepeque, Guatemala
- Average cloud cover in September: 59
The months with the most cloud cover are June and September (Cloud cover 59).
The months with the least cloud cover are January, February and March (Cloud cover 26).
Average visibility in September
San Martín Jilotepeque, Guatemala
- Average visibility in September: 6km
The month with the highest visibility is March (10km).
The month with the lowest visibility is September (6km).
San Martín Jilotepeque, Guatemala
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