"Is it ever hot today!"

• 'I'm beat!'
• Leader of House gets installed in seat — what a relief!
• “Man, is it hot!”
• "Is it hot!"
• Relieved cry
• Sound made while wiping away forehead sweat
• Swelterer's remark
• "Glad that's over!"
• Sigh sound

Wiktionary Word definitions in Wiktionary
interj. Used to show relief, fatigue, surprise, or disgust.