September witnesses the transition from winter to spring, with a substantial decline in rainfall to 61mm (2.4") from
August's 119mm (4.69"). The increase in temperature and prolonged daylight hours promote the beginning of a new growth cycle in the natural world. Mornings can still be crisp, but afternoons show a marked improvement, inviting more outdoor activities. The weather shifts dramatically into
October, with a further decrease in rainfall and a significant rise in temperature.
Temperature
The transition into September reveals an average high-temperature of a comfortable 16°C (60.8°F), mirroring a close resemblance to August. During September,
San Fernando sees a mean low-temperature of 6°C (42.8°F).
Rainfall
During September, San Fernando regularly aggregates up to 61mm (2.4") of precipitation. Throughout the year, in San Fernando, 796mm (31.34") of rain is accumulated.
Daylight
In San Fernando, the average length of the day in September is 11h and 54min.
On the first day of September in San Fernando, sunrise is at 07:01 and sunset at 18:25 -04. On the last day of the month, sunrise is at 07:20 and sunset at 19:46 -03.
Note: On Sunday, 08. September 2024, at 00:00, Daylight Saving Time starts, and the time zone changes from -04 to -03. Daylight Saving Time lasts until Sunday, 06.
April 2025, at 00:00; consequently, the time zone reverts from -03 to -04.