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Solar flares in September 2002
C-class201
M-class13
X-class0
LargestM2.92002-09-10
Sunspot number206.4NOAA SWPC
Flares per day (C and above)
M/X flares per day
Same month a year earlier
| Month | C | M | X | Largest |
|---|---|---|---|---|
| September 2001 | 211 | 50 | 1 | X2.6 |
| September 2002 | 201 | 13 | 0 | M2.9 |
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 2002-09-10 | 14:49 | 14:56 | 11 | M2.9 | S10E43 | 10105 |
| 2002-09-29 | 06:32 | 06:39 | 9 | M2.6 | N12E21 | 10134 |
| 2002-09-11 | 07:26 | 07:35 | 16 | M2.2 | S10E30 | 10105 |
| 2002-09-09 | 17:40 | 17:52 | 21 | M2.1 | S09E54 | 10105 |
| 2002-09-30 | 01:42 | 01:50 | 12 | M2.1 | N13E10 | 10134 |
| 2002-09-20 | 09:21 | 09:28 | 12 | M1.8 | S24E73 | 10126 |
| 2002-09-27 | 12:59 | 13:12 | 24 | M1.8 | N13E45 | 10134 |
| 2002-09-08 | 01:35 | 01:43 | 18 | M1.5 | S11E76 | 10105 |
| 2002-09-20 | 05:08 | 05:12 | 9 | M1.5 | S24E75 | 10126 |
| 2002-09-27 | 19:33 | 19:42 | 16 | M1.4 | N13E38 | 10134 |
| 2002-09-16 | 03:06 | 03:10 | 6 | M1.3 | S13W20 | 10114 |
| 2002-09-03 | 00:21 | 00:54 | 40 | M1.0 | – | – |
| 2002-09-15 | 17:29 | 17:38 | 16 | M1.0 | S05W29 | 10105 |
| 2002-09-27 | 03:20 | 03:41 | 36 | C9.9 | N11E49 | 10134 |
| 2002-09-29 | 14:44 | 14:49 | 9 | C9.3 | N10E13 | 10134 |
All times UTC. Until June 2017 classes are NOAA's reports of the time (GOES-15 and earlier included a 0.7 scaling factor); later classes come from calibrated GOES-16/18 data, so the same flare reads about 1.4× larger. Do not compare the two periods directly.
About this page
214 flares of class C or larger in September 2002; by M/X count it ranks 209 of 565 months.