This is usually more of problem than your lawn getting too dry. Typical signs include discoloration of the grass or even the presence of mushrooms.
You need an average of an inch (2.54 cm) of water per week. And you should also take into account rainfall.
So, be particularly careful if you do have an irrigation system, as it might be overkill.
Animals such as moles can be a big problem. They will destroy your lawn when they create tunnels underneath it. Unfortunately the only solution is to trap them and get rid of them.
Skunks can also damage your lawn by digging into it.
The same goes for raccoons. Digging for food will inevitably destroy your lawn. All these creatures can only be contained by taking drastic measures, sadly.
Patchy grass -
Do you have patchy grass, with different colors and lengths? The types of seeds you planted might have something to do with it.
Patchy grass -
Not all grass seed species work well together, so get advice from a local lawn specialist.
Thinning grass -
This might be a result of either (or both) the type of seed you planted and your soil's pH.
Weeds are also a common problem. Crabgrass, for instance, is one of the most popular culprits.
And so are dandelions and clovers, depending where you live and how you maintain your lawn.
Some species, such as creeping charlie (ground-ivy), can be more invasive and take over your lawn and damage it.
Test your soil's pH -
Testing your soil pH once a year is also a good idea. You can then adjust the levels of phosphorus and potassium as needed.
Fairy rings -
These circles of mushrooms, usually around a patch of grass, can appear in your lawn. You should treat the patch as you would any other, and plant fresh grass seeds.