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Solar flares in September 2000
C-class211
M-class14
X-class1
LargestX1.22000-09-30
Sunspot number157.9NOAA SWPC
Flares per day (C and above)
M/X flares per day
Same month a year earlier
| Month | C | M | X | Largest |
|---|---|---|---|---|
| September 1999 | 92 | 2 | 0 | M2.1 |
| September 2000 | 211 | 14 | 1 | X1.2 |
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 2000-09-30 | 23:13 | 23:21 | 15 | X1.2 | N07W91 | 9169 |
| 2000-09-16 | 04:06 | 04:26 | 42 | M5.9 | N14W07 | 9165 |
| 2000-09-19 | 08:06 | 08:26 | 36 | M5.1 | N14W46 | 9165 |
| 2000-09-24 | 03:28 | 03:38 | 19 | M4.3 | S15W45 | 9166 |
| 2000-09-25 | 00:41 | 00:53 | 23 | M3.4 | S11W59 | 9166 |
| 2000-09-16 | 14:16 | 14:28 | 16 | M3.3 | N13W07 | 9165 |
| 2000-09-15 | 05:05 | 05:32 | 48 | M2.1 | – | 9165 |
| 2000-09-15 | 14:29 | 14:37 | 15 | M2.0 | N12E07 | 9165 |
| 2000-09-25 | 02:05 | 02:15 | 20 | M1.8 | – | – |
| 2000-09-30 | 20:08 | 20:16 | 16 | M1.8 | – | 9178 |
| 2000-09-09 | 08:28 | 08:49 | 37 | M1.6 | N07W67 | 9151 |
| 2000-09-04 | 01:03 | 01:09 | 10 | M1.3 | S21E17 | 9154 |
| 2000-09-14 | 05:56 | 06:27 | 53 | M1.1 | – | – |
| 2000-09-12 | 11:31 | 12:13 | 102 | M1.0 | S17W09 | – |
| 2000-09-30 | 17:38 | 18:27 | 87 | M1.0 | S20E42 | 9178 |
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
226 flares of class C or larger in September 2000; by M/X count it ranks 187 of 565 months.