九月的英语是September，它是名词。
September 英 [sɛpˈtɛmbə] 美 [sɛpˈtɛmbər]
n. 九月
常用短语
1. in September 在九月
2. at the end of September 在九月底
3. at the beginning of September 在九月初
4. last September 去年九月
5. next September 明年九月
例句：
September was passing and there was still no news of him. 九月就要过去了，仍没有他的消息。
This event is staged annually, in the last week of September. 该活动于每年九月的最后一个星期举办。
Her birthday is on the fifth of September.她的生日是九月五号。
The matter came to a head in early September. 九月初，事情到了紧要关头。