Geomagnetic storms in September 2011
Time zone — UTC+00
Geomagnetic storm calendar in September 2011
Days with magnetic storms — 7 Days with geomagnetic disturbances — 3
Ap and F10.7 index values in September 2011
Maximum value of the Ap index for the month — 67 Maximum value of the F10.7 index for the month — 190 Maximum value of the Kp index for the month — 8