Solar Flare WatchHome › Flare history › 2014
Solar flares in September 2014
C-class129
M-class9
X-class1
LargestX1.62014-09-10
Sunspot number127.4NOAA SWPC
Flares per day (C and above)
M/X flares per day
Same month a year earlier
| Month | C | M | X | Largest |
|---|---|---|---|---|
| September 2013 | 25 | 0 | 0 | C3.9 |
| September 2014 | 129 | 9 | 1 | X1.6 |
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 2014-09-10 | 17:21 | 17:45 | 59 | X1.6 | N14E02 | 12158 |
| 2014-09-28 | 02:39 | 02:58 | 40 | M5.1 | N16W38 | 12175 |
| 2014-09-08 | 23:12 | 00:29 | 139 | M4.5 | – | – |
| 2014-09-03 | 13:20 | 13:54 | 63 | M2.5 | S14W18 | 12152 |
| 2014-09-23 | 23:03 | 23:16 | 25 | M2.3 | S14E33 | 12173 |
| 2014-09-11 | 15:20 | 15:26 | 11 | M2.1 | – | – |
| 2014-09-14 | 02:03 | 02:16 | 33 | M1.5 | N14E61 | 12166 |
| 2014-09-11 | 21:01 | 21:26 | 29 | M1.4 | – | – |
| 2014-09-06 | 16:50 | 17:09 | 32 | M1.1 | S14E53 | 12157 |
| 2014-09-28 | 16:34 | 17:33 | 86 | M1.0 | S15W27 | 12172 |
| 2014-09-12 | 02:07 | 02:24 | 25 | C9.5 | S16W20 | 12157 |
| 2014-09-26 | 04:19 | 05:44 | 160 | C8.6 | S14W01 | 12172 |
| 2014-09-06 | 08:04 | 08:14 | 26 | C8.0 | S18E71 | 12159 |
| 2014-09-26 | 16:13 | 16:18 | 12 | C7.9 | N13E75 | 12177 |
| 2014-09-07 | 19:29 | 19:43 | 23 | C7.8 | – | – |
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
139 flares of class C or larger in September 2014; by M/X count it ranks 244 of 565 months.