十一月九日英语

September的缩写 Sept.  和Sep.都是对的，Sept 比Sep要稍微用的多一些。

September 英 [sepˈtembə(r)]   美 [sɛpˈtɛmbɚ]

the 9th month of the year, between August and October

扩展资料：

一月到十二月的英语单词缩写

January 一月 [‘dʒænjuəri]， 缩写Jan.

February 二月 [‘februəri]  缩写  Feb.

March 三月 [mɑ:tʃ]   缩写  Mar.

April 四月 [‘eiprəl]       缩写Apr.

May 五月 [mei]  -单词较短，缩写仍为May

June 六月 [dʒu:n]-单词较短，缩写仍为June

July 七月 [dʒu(:)’lai]-单词较短，缩写仍为July

August 八月 [‘ɔ:gəst]  缩写Aug.

September 九月 [səp’tembə] 缩写Sept.

October 十月 [ɔk’təubə]  缩写Oct.

November 十一月 [nəu’vembə]   缩写Nov.

December 十二月 [di’sembə]  缩写 Dec.

九月September的缩写形式有两种：“Sept.”和“Sep.”，两种形式均可使用。

Dear Mike, Participated in volunteer activities organized by the school last month。Contents include: Clean up the park in November 9th, picking up litter in the streets, in November 16th went to the local hospital for patients to sing, in November 23rd near the school to tell stories to children, homework。 How about you？ WANG MING

那个应该是十一月的缩写，November.