If you’re a May/June 2022 grad, don’t sweat it even a drop. If you’re a December 2021 grad, you’re a little off-cycle but campus programs know you exist so there’s a mini-wave for the half-year grads. But mid-August to late Sept is probably the lowest period for “mining inbound resumes” as the campus team has been busy wrapping up starting last year’s group and planning for the coming year (and taking summer PTO).
If you’re graduating from a CS program at a traditional college and have a 3.0 GPA or better, it’ll be stressful (because of the stakes), but you’ll find a role to take your first professional step. You don’t have to stand out per-se, which is good news because internships and summer work in the field is the best way to do that and that’s not practical in your last year. No worries. Can’t change it now and don’t need to. We take “cold” graduates as well. If you have a 2.5 or 2.2, it be a little more effort, but if you can do the work, you’ll find a fit. If you have a 3.8+ (at least in major and a 3.5 overall), you’re probably seeing only timing effects.
Talk to the campus placement people at your college as well. See what their advice is (especially if a Dec grad). Have them look over your resume for glaring issues. I suspect they’ll help you, both practically but also psychologically to reflect on the activity/calendar cycle.
(It’s also worth asking that group how “fresh” the job board is. Some of those listings could have been posted back in May and if you applied to them after an entire graduating class saw them, they’re either filled or the company is incapable to fill them and has given up on them.)