September

• On 22 September 1948, the All-Palestine Government was proclaimed by the Arab League and immediately recognized by all its members with the exception of Transjordanian Emirate (later the Kingdom of Jordan).

October

• 15 October – The beginning of the IDF's Operation Yoav, aimed at conquering the whole Negev desert.
• 21 October – Battle of Beersheba: The IDF's Negev Brigade occupies Beersheba.

December

• 27 December – The IDF starts Operation Horev, a wide scale attack against the Egyptian army in the Western Negev.
• Late December - the All-Palestine Government relocates to Cairo, following the Israeli offensive on Western Negev and Gaza.

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  Israeli forces capture Beersheba during the Battle of Beersheba, 21 October 1948