List of magnetic storms in September 2009
Location — Mumbai (geographic coordinates — 19.07 N 72.87 E | time zone UTC+05:30 )
Days with geomagnetic disturbances — 1
28 September 2009 — geomagnetic disturbances
Changes in the maximum daily geomagnetic index Kp in September 2009 for mid latitudes
Location — Mumbai (geographic coordinates — 19.07 N 72.87 E | time zone UTC+05:30 )

Location — Mumbai (geographic coordinates — 19.07 N 72.87 E | time zone UTC+05:30 )
28 September 2009 — geomagnetic disturbances
Solar radio flux (10.7 cm) = 76
Mean planetary A index = 8
Mean planetary Kp index = 4