Sunan An-Nasa'i

It was narrated from Hisham bin Ishaq bin Abdullah bin Kinanah that :His father said: ""So and so sent me to ask him how the Messenger of Allah (ﷺ) prayed for rain (Istisqa')."" He said: 'The Messenger of Allah (ﷺ) went out beseeching and humble, (dressed) in a state of humility. He did not give a Khutbah like this Khutbah of yours, and he prayed two rak'ahs