List of magnetic storms in September 2013
Location — Chicago (geographic coordinates — 41.84 N -87.68 W | time zone UTC-05 - summer time)
There were no days with an increased level of geomagnetic disturbance in September 2013
Maximum of solar activity in September 2013
Solar radio flux (10.7 cm) = 111
Mean planetary A index = 11
Mean planetary Kp index = 4