Geomagnetic storms in September 2017
Time zone — UTC+00
Geomagnetic storm calendar in September 2017
Days with magnetic storms — 12 Days with geomagnetic disturbances — 6
Ap and F10.7 index values in September 2017
Maximum value of the Ap index for the month — 96 Maximum value of the F10.7 index for the month — 140 Maximum value of the Kp index for the month — 8