The Messenger of Allah ﷺ performed Umrah in the month of Dhu al-Qadah.
حدثنا يحيى وحسين قالا حدثنا إسرائيل عن أبي إسحاق
أن رسول الله ﷺ اعتمر في ذي القعدة
No references are available.
Its isnad is sahih, narrated by Bukhari 3/600, no. 1781 (Fath), Muslim 2/916, no. 1253, Abu Dawud 2/206, no. 1994, and Tirmidhi 3/171, no. 816, who said, hasan gharib.