List of magnetic storms in September 2008
Location — Pierre (geographic coordinates — 44.37 N -100.34 W | time zone UTC-05 - summer time)
Days with magnetic storms — 2
03 September 2008 — Magnetic storm of level G2
04 September 2008 — Magnetic storm of level G2
Days with geomagnetic disturbances — 3
14 September 2008 — geomagnetic disturbances
15 September 2008 — geomagnetic disturbances
16 September 2008 — geomagnetic disturbances
Maximum of solar activity in September 2008
Solar radio flux (10.7 cm) = 69
Mean planetary A index = 33
Mean planetary Kp index = 6