List of magnetic storms in September 2013
Location — Ryazan (geographic coordinates — 54.6 N 39.7 E | time zone UTC+03)
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