September 1918
This is the full listing of all ships hit during September 1918. You can click on any of the links for further information on either ship, U-boat, commander or convoy.
| Date | U-boat | Commander | | Name of ship | Tons | Nat. |
| |
| 1 Sep 1918 | U 22 | Hinrich Hermann Hashagen | | Libertador | 185 |  | pt |
| 1 Sep 1918 | U 53 | Otto von Schrader | | Ami De Dieu | 45 |  | fr |
| 1 Sep 1918 | U 53 | Otto von Schrader | | Etoile Polaire | 51 |  | fr |
| 1 Sep 1918 | UB 118 | Hermann Arthur Krauß | | City Of Glasgow | 6,457 |  | br |
| 1 Sep 1918 | UB 118 | Hermann Arthur Krauß | | Mesaba | 6,833 |  | br |
| 1 Sep 1918 | UB 125 | Werner Vater | | Actor (d.) | 6,082 |  | br |
| 1 Sep 1918 | UB 48 | Wolfgang Steinbauer | | Baron Minto (d.) | 4,537 |  | br |
| 1 Sep 1918 | UB 48 | Wolfgang Steinbauer | | Monviso (d.) | 4,020 |  | it |
| 2 Sep 1918 | U 155 | Ferdinand Studt | | Stortind | 2,510 |  | nw |
| 2 Sep 1918 | U 53 | Otto von Schrader | | Hirondelle | 38 |  | fr |
| 2 Sep 1918 | U 53 | Otto von Schrader | | Nicolazic | 42 |  | fr |
| 2 Sep 1918 | U 65 | Gustav Sieß | | San Andres | 3,314 |  | br |
| 2 Sep 1918 | U 75 | Curt Beitzen | | Ariadne Christine (d.) | 3,550 |  | br |
| 3 Sep 1918 | UB 125 | Werner Vater | | Brava | 3,184 |  | pt |
| 3 Sep 1918 | UB 125 | Werner Vater | | Lake Owens | 2,308 |  | am |
| 3 Sep 1918 | UB 87 | Karl Petri | | Highcliffe | 3,238 |  | br |
| 4 Sep 1918 | U 22 | Hinrich Hermann Hashagen | | Santa Maria | 48 |  | pt |
| 4 Sep 1918 | U 22 | Hinrich Hermann Hashagen | | Unidentified Sailing Vessel (d.) | 80 |  | pt |
| 4 Sep 1918 | U 22 | Hinrich Hermann Hashagen | | Unnamed Barge | 300 |  | pt |
| 4 Sep 1918 | U 22 | Hinrich Hermann Hashagen | | Villa Franca | 46 |  | pt |
| 4 Sep 1918 | U 34 | Johannes Klasing | | Richard | 175 |  | nw |
| 4 Sep 1918 | U 53 | Otto von Schrader | | War Firth | 3,112 |  | br |
| 4 Sep 1918 | U 82 | Heinrich Middendorff | | Dora | 7,037 |  | am |
| 4 Sep 1918 | UB 125 | Werner Vater | | Bogstad | 1,589 |  | nw |
| 4 Sep 1918 | UC 54 | Otto Loycke | | Arum | 3,681 |  | br |
| 5 Sep 1918 | U 53 | Otto von Schrader | | Rio Mondego (d.) | 733 |  | pt |
| 5 Sep 1918 | U 82 | Heinrich Middendorff | | Mount Vernon (d.) | 18,372 |  | am |
| 6 Sep 1918 | UB 80 | Max Viebeg | | Audax | 975 |  | br |
| 6 Sep 1918 | UB 87 | Karl Petri | | Milly | 2,964 |  | br |
| 7 Sep 1918 | U 105 | Friedrich Strackerjan | | Ruysdael | 3,478 |  | br |
| 7 Sep 1918 | U 155 | Ferdinand Studt | | Sophia | 162 |  | pt |
| 7 Sep 1918 | UB 42 | Hans Georg Lübbe | | Vicenza | 1,833 |  | it |
| 7 Sep 1918 | UB 87 | Karl Petri | | Persic (d.) | 12,045 |  | br |
| 7 Sep 1918 | UC 67 | Martin Niemöller | | Bellbank | 3,250 |  | br |
| 9 Sep 1918 | U 34 | Johannes Klasing | | Policastra (d.) | 4,594 |  | br |
| 9 Sep 1918 | U 34 | Johannes Klasing | | War Arabis | 5,183 |  | br |
| 9 Sep 1918 | U 80 | Karl Koopmann | | Helvetia | 673 |  | nw |
| 9 Sep 1918 | UB 80 | Max Viebeg | | Taurus | 1,239 |  | nw |
| 9 Sep 1918 | UB 87 | Karl Petri | | Missanabie | 12,469 |  | br |
| 11 Sep 1918 | U 152 | Adolf Franz | | Constance (d.) | 199 |  | da |
| 11 Sep 1918 | k.u.k. U27 | Josef Holub | | Antoinette (p.) | unknown |  | fr |
| 12 Sep 1918 | U 155 | Ferdinand Studt | | Leixoes | 3,245 |  | pt |
| 12 Sep 1918 | U 65 | Gustav Sieß | | Chao Chow Fu (d.) | 1,909 |  | br |
| 12 Sep 1918 | U 65 | Gustav Sieß | | Sarnia | 1,498 |  | br |
| 12 Sep 1918 | U 82 | Heinrich Middendorff | | Galway Castle | 7,988 |  | br |
| 12 Sep 1918 | UB 125 | Werner Vater | | Skjold | 166 |  | da |
| 13 Sep 1918 | k.u.k. U41 | Edgar Wolf | | Amiral Charner | 4,604 |  | fr |
| 13 Sep 1918 | UB 64 | Ernst Krieger | | Buffalo | 286 |  | br |
| 13 Sep 1918 | UB 64 | Ernst Krieger | | M. J. Craig | 691 |  | br |
| 13 Sep 1918 | UB 64 | Ernst Krieger | | Setter | 956 |  | br |
| 14 Sep 1918 | U 65 | Gustav Sieß | | Ioanna No. 45 | 9 |  | br |
| 14 Sep 1918 | k.u.k. U27 | Josef Holub | | Agios Nicolas | 113 |  | br |
| 14 Sep 1918 | UB 104 | Thomas Bieber | | Gibel Hamam | 647 |  | br |
| 14 Sep 1918 | UB 64 | Ernst Krieger | | Neotsfield | 3,821 |  | br |
| 15 Sep 1918 | U 65 | Gustav Sieß | | Ioanna No. 37 | 17 |  | br |
| 15 Sep 1918 | UB 104 | Thomas Bieber | | Kendal Castle | 3,885 |  | br |
| 15 Sep 1918 | UB 64 | Ernst Krieger | | Energy | 89 |  | br |
| 15 Sep 1918 | UB 64 | Ernst Krieger | | Joseph Fisher | 79 |  | br |
| 15 Sep 1918 | UB 64 | Ernst Krieger | | Mary Fanny | 94 |  | br |
| 16 Sep 1918 | U 118 | Herbert Stohwasser | | Wellington | 5,600 |  | br |
| 16 Sep 1918 | U 46 | Leo Hillebrand | | Tasman | 5,023 |  | br |
| 16 Sep 1918 | U 82 | Heinrich Middendorff | | Madryn | 2,244 |  | br |
| 16 Sep 1918 | UB 104 | Thomas Bieber | | Ethel | 2,336 |  | br |
| 16 Sep 1918 | UB 104 | Thomas Bieber | | Lord Stewart | 1,445 |  | br |
| 16 Sep 1918 | UB 117 | Erwin Waßner | | Acadian | 2,305 |  | br |
| 16 Sep 1918 | UB 129 | Karl Neumann | | Buenaventura | 4,881 |  | am |
| 16 Sep 1918 | UB 64 | Ernst Krieger | | Serula | 1,388 |  | br |
| 16 Sep 1918 | UB 88 | Reinhard von Rabenau | | Philomel | 3,050 |  | br |
| 16 Sep 1918 | UC 67 | Martin Niemöller | | G. Voyazides | 3,040 |  | gr |
| 17 Sep 1918 | k.u.k. U27 | Josef Holub | | Portaritissa | 16 |  | it |
| 17 Sep 1918 | k.u.k. U27 | Josef Holub | | Sofia | unknown |  | it |
| 17 Sep 1918 | UB 104 | Thomas Bieber | | Ursa | 1,740 |  | sw |
| 17 Sep 1918 | UB 117 | Erwin Waßner | | Lavernock | 2,406 |  | br |
| 17 Sep 1918 | UC 58 | Kurt Schwarz | | Muriel | 1,831 |  | br |
| 18 Sep 1918 | | | | Antonietta | 93 |  | it |
| 18 Sep 1918 | U 157 | Ortwin Rave | | Ledaal | 2,257 |  | nw |
| 18 Sep 1918 | k.u.k. U27 | Josef Holub | | Adelphotis | 26 |  | gr |
| 18 Sep 1918 | k.u.k. U27 | Josef Holub | | Agios Amma | 16 |  | gr |
| 18 Sep 1918 | UB 117 | Erwin Waßner | | Buffalo | 2,359 |  | fr |
| 18 Sep 1918 | UB 117 | Erwin Waßner | | John O. Scott | 1,235 |  | br |
| 18 Sep 1918 | UB 117 | Erwin Waßner | | Primo | 1,037 |  | br |
| 19 Sep 1918 | k.u.k. U27 | Josef Holub | | Agios Spiridion | 58 |  | gr |
| 19 Sep 1918 | UB 64 | Ernst Krieger | | Barrister | 4,952 |  | br |
| 19 Sep 1918 | UB 88 | Reinhard von Rabenau | | Fanny | 1,450 |  | sw |
| 19 Sep 1918 | UC 69 | Erwin Waßner | | Belliqueux | unknown |  | fr |
| 20 Sep 1918 | U 155 | Ferdinand Studt | | Kingfisher | 353 |  | am |
| 20 Sep 1918 | k.u.k. U27 | Josef Holub | | Aghios Nicolaos | unknown |  | gr |
| 20 Sep 1918 | k.u.k. U27 | Josef Holub | | Agios Nicolas | 13 |  | gr |
| 20 Sep 1918 | k.u.k. U27 | Josef Holub | | Agios Spiridion | 18 |  | gr |
| 20 Sep 1918 | k.u.k. U27 | Josef Holub | | Dragonos | unknown |  | gr |
| 20 Sep 1918 | k.u.k. U27 | Josef Holub | | Prof. Elias | 5 |  | gr |
| 20 Sep 1918 | k.u.k. U27 | Josef Holub | | Theologos | 103 |  | gr |
| 20 Sep 1918 | k.u.k. U47 | Hugo von Seyffertitz | | Circe | 351 |  | fr |
| 20 Sep 1918 | UB 105 | Rudolf Petersen | | Angelina Pasquale | 29 |  | it |
| 20 Sep 1918 | UB 105 | Rudolf Petersen | | San Michele | 24 |  | it |
| 21 Sep 1918 | UB 105 | Rudolf Petersen | | Santo Fortunato | 24 |  | it |
| 21 Sep 1918 | UB 115 | Reinhold Thomsen | | Staithes | 336 |  | br |
| 21 Sep 1918 | UB 64 | Ernst Krieger | | Downshire | 368 |  | br |
| 22 Sep 1918 | U 157 | Ortwin Rave | | Gaia | 278 |  | pt |
| 22 Sep 1918 | UB 129 | Karl Neumann | | Erik | 217 |  | da |
| 22 Sep 1918 | UB 34 | Hans Illing | | Elise | 239 |  | br |
| 22 Sep 1918 | UB 88 | Reinhard von Rabenau | | Polesley | 4,221 |  | br |
| 22 Sep 1918 | UC 53 | Erich Gerth | | Gorsemore | 3,079 |  | br |
| 23 Sep 1918 | UB 113 | Ulrich Pilzecker | | Aldershot | 2,177 |  | br |
| 23 Sep 1918 | UC 54 | Otto Loycke | | Edlington | 3,864 |  | br |
| 25 Sep 1918 | U 46 | Leo Hillebrand | | Gloire a Jesus | 60 |  | fr |
| 25 Sep 1918 | UB 91 | Wolf Hans Hertwig | | Hebburn | 1,938 |  | br |
| 26 Sep 1918 | UB 21 | Bruno Mahn | | Paul | 659 |  | be |
| 26 Sep 1918 | UB 91 | Wolf Hans Hertwig | | Tampa | 1,181 |  | am |
| 27 Sep 1918 | U 54 | Hellmuth von Ruckteschell | | En Avant | 86 |  | fr |
| 27 Sep 1918 | UB 49 | Adolf Ehrensberger | | Hatasu | 3,193 |  | br |
| 28 Sep 1918 | UB 91 | Wolf Hans Hertwig | | Baldersby | 3,613 |  | br |
| 28 Sep 1918 | UC 53 | Erich Gerth | | Caraibe (d.) | 2,976 |  | fr |
| 29 Sep 1918 | U 117 | Otto Dröscher | | Minnesota (d.) | 18,000 |  | am |
| 29 Sep 1918 | U 152 | Adolf Franz | | George G. Henry (d.) | 6,936 |  | am |
| 29 Sep 1918 | U 54 | Hellmuth von Ruckteschell | | Libourne | 1,219 |  | br |
| 29 Sep 1918 | UB 95 | Oskar Maaß | | Nyanza | 4,053 |  | br |
| 30 Sep 1918 | U 152 | Adolf Franz | | Ticonderoga | 5,130 |  | am |
| 30 Sep 1918 | UB 112 | Wilhelm Rhein | | Atlantico | 319 |  | pt |
| 30 Sep 1918 | UC 53 | Erich Gerth | | Francesco Padre | 101 |  | it |
| 30 Sep 1918 | UC 53 | Erich Gerth | | Gabriela Costela | 105 |  | it |
| 30 Sep 1918 | UC 53 | Erich Gerth | | Giovanni Costa | 102 |  | it |
| 30 Sep 1918 | UC 53 | Erich Gerth | | San Francesco P. | 41 |  | it |
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| 276,927 | | | 109 ships sunk (192,894 tons) and 14 ships damaged (84,033 tons). Legend (d.) means the ship was damaged. (p.) means the ship was taken as prize (included in ships & tonnage lost).
We have a picture of this vessel.
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This map shows where Allied ships were hit during September 1918.

In some cases the exact positions of losses are not known, those are not shown.