We don't know about you, but when the air turns crisp, we've just gotta keep things fresh in other areas -- like with a whole list of new songs on the radio in September 2011.

This month, we've got JoJo's latest, 'Disaster,' which isn't such a disaster after all. We gave it three stars, because it reminds us of old school JoJo, and everyone loves to reminisce about the good ol' days. Also on the airwaves in September, LMFAO pumps it up with terrible lyrics and a monotonous chorus in 'Sexy and I Know It.'

Kreayshawn really gets the drinks flowing with her new one, 'Rum & Coke,' just in time for The-Dream to declare, 'Wake Me When It's Over.' Keep it tuned to PopCrush all month long, because we’ll be uploading all of the new songs on the radio in September 2011 right here -- so you'll never have to wait to hear them while you're in the car.

New Songs on the Radio September 2011:

Alice Cooper, ‘What Baby Wants’ Feat. Kesha
Backstreet Boys, ‘Lost in Space’
Beyonce, ‘Countdown’
Birdman, ‘Y.U. Mad’ Feat. Nicki Minaj, Lil Wayne
B.o.B, ‘Strange Clouds,’ Feat. Lil Wayne
Bow Wow, ‘Heaven’
Britney Spears, ‘Criminal’
Bruno Mars, ‘It Will Rain’
Cee Lo Green, ‘You Promised Me Love’
Chris Brown, ’2 Young 2 Give a F—’ (Feat. Bow Wow)
Chris Rene, ‘Young Homie’
Cody Simpson, ‘Angel’
Cody Simpson, ‘Not Just You’
Coldplay, ‘Paradise’
Daughtry, ‘Crawling Back to You’
Demi Lovato, ‘All Night Long’ Feat. Missy Elliott, Timbaland
Demi Lovato, ‘In Real Life’
Demi Lovato, ‘Who’s That Boy’ Feat. Dev
Diggy, ‘Just Begun’
DJ Komori, ‘Sound of Love’ Feat. Cassie
Enrique Iglesias ‘I Like How It Feels’ Feat. Pitbull
Florence + the Machine, ‘Shake It Out’
‘Glee’ Cast (Blaine), ‘It’s Not Unusual’
‘Glee’ Cast (Kurt), ‘I’m the Greatest Star’ (From ‘Funny Girl’)
‘Glee’ Cast, ‘You Can’t Stop the Beat’ (From ‘Hairspray’)
Hot Chelle Rae, ‘I Like It Like That’ Feat. New Boyz
J. Cole, ‘Mr. Nice Watch’ Feat. Jay-Z
J. Cole, ‘Nobody’s Perfect’ Feat. Missy Elliott
Jacob Latimore, ‘Like ‘Em All’ Feat. Issa
Jason Derulo, ‘Breathing’
Jason Derulo, ‘Make It Up as We Go’
Jason Derulo, ‘Pick Up the Pieces’
Jay-Z + Kanye West, ‘Why I Love You’ Feat. Mr. Hudson
Joe Jonas, ‘Just in Love’
JoJo, 'Disaster'
Kreayshawn, 'Rum & Coke' Feat. Dame Grease
Lady Gaga, ‘You and I’ Metronomy Remix
LMFAO, 'Sexy and I Know It'
Never Shout Never, 'Simplistic Trance-Like Getaway'
Ne-Yo, ‘The Way You Move’ Feat. Trey Songz and T-Pain
Nickelback, ‘When We Stand Together’
One Direction, ‘What Makes You Beautiful’
Porcelain Black, ‘Naughty Naughty’
Prince Royce, ‘Addicted’
Rihanna, ‘We Found Love’ Feat. Calvin Harris
Romeo Santos, ‘Promise’ Feat. Usher
The-Dream, 'Wake Me When It's Over'
Tony Bennett & Amy Winehouse, ‘Body and Soul’
Tony Bennett & Lady Gaga, ‘The Lady Is a Tramp’
T-Pain, ’5 O’Clock’ Feat. Wiz Khalifa, Lily Allen
Victoria Justice, ‘Almost Paradise’ (From the ‘Footloose’ Soundtrack)
Young the Giant, ‘My Body’ (K. Flay Remix)

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