List of magnetic storms in September 2003
Location — Petropavlovsk-Kamchatsky (geographic coordinates — 53.03 N 158.63 E | time zone UTC+12)
Days with magnetic storms — 9
11 September 2003 — Magnetic storm of level G1
16 September 2003 — Magnetic storm of level G1
17 September 2003 — Magnetic storm of level G3
18 September 2003 — Magnetic storm of level G3
19 September 2003 — Magnetic storm of level G1
20 September 2003 — Magnetic storm of level G1
22 September 2003 — Magnetic storm of level G1
24 September 2003 — Magnetic storm of level G1
25 September 2003 — Magnetic storm of level G1
Days with geomagnetic disturbances — 10
01 September 2003 — geomagnetic disturbances
03 September 2003 — geomagnetic disturbances
04 September 2003 — geomagnetic disturbances
05 September 2003 — geomagnetic disturbances
06 September 2003 — geomagnetic disturbances
09 September 2003 — geomagnetic disturbances
10 September 2003 — geomagnetic disturbances
21 September 2003 — geomagnetic disturbances
23 September 2003 — geomagnetic disturbances
26 September 2003 — geomagnetic disturbances
Maximum of solar activity in September 2003
Solar radio flux (10.7 cm) = 137
Mean planetary A index = 61
Mean planetary Kp index = 7

