During this period the moon will reach its first quarter phase on Wednesday September 27th. At this time the moon will be located 90 degrees east of the sun and will set near 0100 local summer time (LST). This weekend the waxing crescent moon will set shortly after dusk, allowing meteor observers dark skies the remainder of the night.
The AMS has received over 200 reports so far about of a fireball event seen above Maryland and Pennsylvania on September 17th, 2017 around 00:59am EDT (04:59 Universal Time). The fireball was seen primarily from Maryland and Pennsylvania but was also seen from New York, Virginia, Delaware, New Jersey, Ohio and Massachusetts.
During this period the moon will reach its new phase on Wednesday September 20th. At this time the moon will be located near the sun and will be invisible at night. This weekend the waning crescent moon will rise just before dawn and will not pose any problems to those trying to view meteor activity.
During this period the moon will reach its last quarter phase on Wednesday September 13th. At this time the moon will be located 90 degrees west of the sun and will rise near midnight local daylight time (LDT) as seen from mid-northern latitudes. This weekend the waning gibbous moon will rise during the late evening hours and will ruin the prime meteor viewing hours with its intense moonlight.
The AMS has received over 300 reports so far about of a fireball event seen above the province of British Columbia (Canada) on September 4th, 2017 around 10:14pm PDT (September 5th, 2017 ~ 05:14 Universal Time). The fireball was seen primarily from British Columbia but was also seen from Alberta and Saskatchewan as well as from Washington, Idaho and Montana.
September offers longer nights in the northern hemisphere that tend to be less hazy than those experienced in mid-summer. In the sky, no major showers are visible from either hemisphere but the northern hemisphere enjoys the advantage of higher sporadic rates.