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
San Martín Sacatepéquez observes an average high-temperature of a still agreeable 21°C (69.8°F) in September, barely different from 21.9°C (71.4°F) in August. In September, San Martín Sacatepéquez encounters an average low-temperature of 13.6°C (56.5°F) during the night.Humidity
The most humid month in San Martín Sacatepéquez is September, with an average relative humidity of 87%.Rainfall
In San Martín Sacatepéquez, in September, during 28.8 rainfall days, 283mm (11.14") of precipitation is typically accumulated. Throughout the year, in San Martín Sacatepéquez, Guatemala, there are 263.6 rainfall days, and 2061mm (81.14") of precipitation is accumulated.Daylight
The average length of the day in September in San Martín Sacatepéquez is 12h and 13min.On the first day of September in San Martín Sacatepéquez, sunrise is at 05:54 and sunset at 18:18. On the last day of the month, sunrise is at 05:56 and sunset at 17:56 CST.
Sunshine
In San Martín Sacatepéquez, Guatemala, the average sunshine in September is 8.7h.UV index
The months with the highest UV index are January through October and December, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The daily high UV index of 5 during September translates into the following recommendations:
Put precautions into practice - Protective measures against sun-induced damage are advised. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Frequently asked questions
What are September temperatures in San Martín Sacatepéquez?
What is the most humid month in San Martín Sacatepéquez?
What is the average humidity in September in San Martín Sacatepéquez?
How much does it rain in San Martín Sacatepéquez in September?
How many hours of daylight does San Martín Sacatepéquez have in September?
When is the sunrise / sunset in September in San Martín Sacatepéquez?
How long on average sun shines in September in San Martín Sacatepéquez?
When is the highest UV index in San Martín Sacatepéquez?
How high is the UV index in September in San Martín Sacatepéquez?
Average temperature in September
San Martín Sacatepéquez, Guatemala
- Average high temperature in September: 21°C
The warmest month (with the highest average high temperature) is April (23.8°C).
The month with the lowest average high temperature is October (20.7°C).
- Average low temperature in September: 13.6°C
The month with the highest average low temperature is May (14.3°C).
The coldest month (with the lowest average low temperature) is January (10.2°C).
Average pressure in September
San Martín Sacatepéquez, Guatemala
- Average pressure in September: 1012.7mbar
The month with the highest atmospheric pressure is January (1015.3mbar).
The month with the lowest atmospheric pressure is May (1012.6mbar).
Average wind speed in September
San Martín Sacatepéquez, Guatemala
- Average wind speed in September: 4.4km/h
The windiest month (with the highest average wind speed) is January (6.1km/h).
The calmest month (with the lowest average wind speed) is May (4.1km/h).
Average humidity in September
San Martín Sacatepéquez, Guatemala
- Average humidity in September: 87%
The month with the highest relative humidity is September (87%).
The month with the lowest relative humidity is March (69%).
Average rainfall in September
San Martín Sacatepéquez, Guatemala
- Average rainfall in September: 283mm
The wettest month (with the highest rainfall) is May (372mm).
The driest month (with the least rainfall) is January (14mm).
Average rainfall days in September
San Martín Sacatepéquez, Guatemala
- Average rainfall days in September: 28.8 days
The months with the highest number of rainy days are June and October (29.2 days).
The month with the least rainy days is February (10.8 days).
Average daylight in September /
Average sunshine in September
San Martín Sacatepéquez, 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: 8h and 4min
The month with the most sunshine is April (Average sunshine: 10h and 48min).
The month with the least sunshine is November (Average sunshine: 7h and 12min).
Average sunshine days in September
San Martín Sacatepéquez, Guatemala
- Average sunshine days in September: 0.6 days
The month with the most sunshine days is December (13.5 days).
The month with the least sunshine days is October (0.5 days).
Average UV index in September
San Martín Sacatepéquez, Guatemala
- Average UV index in September: 5
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October and December (UV index 5).
The month with the lowest UV index is November (UV index 4).
Average cloud cover in September
San Martín Sacatepéquez, Guatemala
- Average cloud cover in September: 50
The month with the most cloud cover is June (Cloud cover 51).
The months with the least cloud cover are January and February (Cloud cover 19).
Average visibility in September
San Martín Sacatepéquez, Guatemala
- Average visibility in September: 8km
The months with the highest visibility are January, February and March (10km).
The months with the lowest visibility are May, June, August, September and October (8km).
San Martín Sacatepéquez, Guatemala
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