VEHICLES in Stubbington and Lee-on-the-Solent were broken into after owners left the doors unlocked.
Police are now appealing for information after a spate of thefts between 10pm on Friday and 7am on Saturday.
Wallets, sunglasses, stereo equipment and loose change were all among items reported stolen from vehicles parked in Lee-on-Solent and Stubbington.
Someone tried and tested the doors of parked cars.
At least five thefts have been reported so far from vehicles left unlocked.
Investigating officer PC Barry Martin said: ‘We’re appealing for any witnesses who may have been in the Portsmouth Road area of Lee-on-Solent or the Mays Lane area of Stubbington between 10pm on Friday, July 12 and 7am on Saturday, July 13, 2013. Did you hear or see anything suspicious?
‘Please take care during the hot weather to lock your vehicles and remove items of value.’
Anyone with information can contact PC 22537 Barry Martin at Fareham Police Station by phoning 101.
Alternatively, call the independent Crimestoppers charity on 0800 555 111 if you wish to remain anonymous.