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Solar flares in September 2006
C-class5
M-class0
X-class0
LargestC1.32006-09-22
Sunspot number25.2NOAA SWPC
Flares per day (C and above)
Same month a year earlier
| Month | C | M | X | Largest |
|---|---|---|---|---|
| September 2005 | 85 | 26 | 10 | X17.0 |
| September 2006 | 5 | 0 | 0 | C1.3 |
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 2006-09-22 | 23:50 | 00:02 | 28 | C1.3 | – | 10910 |
| 2006-09-01 | 05:06 | 05:42 | 133 | C1.0 | – | 10906 |
| 2006-09-11 | 23:00 | 23:09 | 18 | C1.0 | S12W04 | 10908 |
| 2006-09-14 | 07:27 | 07:35 | 22 | C1.0 | S10W90 | 10909 |
| 2006-09-18 | 19:25 | 19:45 | 36 | C1.0 | S10E49 | 10910 |
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
5 flares of class C or larger in September 2006; by M/X count it ranks 511 of 565 months.