Weather in September
Temperature
September and October, with an average high-temperature of 30°C (86°F), are marked as the coldest months.Rainfall
September is the month with the most rainfall. Rain falls for 28 days and accumulates 365mm (14.37") of precipitation.Daylight
In September, the average length of the day is 12h and 12min.On the first day of the month, sunrise is at 05:41 and sunset at 18:03. On the last day of September, sunrise is at 05:42 and sunset at 17:43 CST.
Sunshine
The months with the least sunshine are September and October, with an average of 6h of sunshine.UV index
The months with the highest UV index in San Miguel are February through September, with an average maximum UV index of 12. A UV Index of 11, and more, symbolizes an extreme health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum high UV index of 12 in September translates into the following recommendations:
Adopt every vital precaution, unprotected skin and eyes may burn rapidly. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Applying and reapplying liberally a broad-spectrum sunscreen of SPF 30+ every two hours, and straight after a swim or outdoor activity is recommended.
Frequently asked questions
What month is the coldest in San Miguel?
How hot is September in San Miguel?
What is the wettest month in San Miguel?
How many days does it rain in September in San Miguel?
What is the average length of the day in September in San Miguel?
When are sunrise and sunset in September in San Miguel?
What are the months with the least sunshine in San Miguel?
How many hours of sunshine does San Miguel have in September?
What is the month with the highest UV index in San Miguel?
How high is the UV index in September in San Miguel?
Average temperature in September
San Miguel, El Salvador
- Average high temperature in September: 30°C
The warmest months (with the highest average high temperature) are March and April (34°C).
The months with the lowest average high temperature are September and October (30°C).
- Average low temperature in September: 19°C
The months with the highest average low temperature are April, May, June and July (20°C).
The coldest month (with the lowest average low temperature) is January (16°C).
Average rainfall in September
San Miguel, El Salvador
- Average rainfall in September: 365mm
The wettest month (with the highest rainfall) is September (365mm).
The driest month (with the least rainfall) is January (2mm).
Average rainfall days in September
San Miguel, El Salvador
- Average rainfall days in September: 28 days
The month with the highest number of rainy days is September (28 days).
The months with the least rainy days are January, February and March (3 days).
Average daylight in September /
Average sunshine in September
San Miguel, El Salvador
- 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 24min).
- Average sunshine in September: 6h
The months with the most sunshine are January, February, March and April (Average sunshine: 9h).
The months with the least sunshine are September and October (Average sunshine: 6h).
Average UV index in September
San Miguel, El Salvador
- Average UV index in September: 12
The months with the highest UV index are February, March, April, May, June, July, August and September (UV index 12).
The month with the lowest UV index is December (UV index 9).
San Miguel, El Salvador
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