Where do you live? I am in Lahore, and nowadays even if the car is parked for 3-4 hours, the engine does not cool down completely. The outside temperature nowadays is 43-44 degrees with the heat index crossing 48 degrees on the road or in the garage. When I start the car in the morning, it hardly takes 500m for the car to get up to operating temperature, as compared to in winters when it took 4-5km.
Just keep a check on your coolant level in the reserve bottle, and a couple of water bottles in the car as well in case of emergencies. Take your car to a good radiator guy and get the hose pipes checked for any leaks, even minor leaks can create a big problem in these hot days.