Sun
Over the course of September, the length of the day is decreasing. From the start to the end of the month, the length of the day decreases by 1:21 hours, implying an average day-over-day decrease of 2.7 minutes.
The shortest day of the month is September 30 with 11:46 hours of daylight; the longest day isSeptember 1 with 13:07 hours of daylight.
Daily Hours of Daylight and Twilight in September
The earliest sunrise is at 6:18am on September 1; the latest sunset is at 7:24pm on September 1; thelatest sunrise is at 6:48am on September 30; the earliest sunset is at 6:34pm on September 30.
Daylight savings time is observed in 2012 but it neither starts nor ends in September, so the entire month is in daylight time.
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