Land at Split Airport and keep this first day deliberately light: the budget airport bus is usually the easiest option into town, taking about 30–45 minutes to the Diocletian’s Palace area depending on traffic, while a taxi or rideshare is faster but more expensive. Once you’re dropped near the Old Town, it’s an easy flat walk with your bags to your accommodation; if you’re arriving after a hot flight, this is the moment to drop everything, grab water, and reset before heading out. Aim to leave yourself enough time that you’re wandering the center in the softer light of late afternoon, not rushing through it.
Start with Diocletian’s Palace, which isn’t a museum so much as Split’s living heart — a maze of stone lanes, little courtyards, wine bars, and everyday apartments tucked inside Roman walls. This is best experienced on foot with no fixed route: just drift through Vestibul, peek into side passages, and let the place reveal itself as shops close and the evening crowd arrives. From there, step out into Peristil, the palace’s grand central square, where the columns and façades glow at golden hour and the whole space feels like an open-air stage; 20–30 minutes here is perfect for photos and people-watching. Then head into Bokeria Kitchen & Wine for dinner — a dependable, central choice in the Old Town with Mediterranean plates, local wine, and mains that usually land around €15–30 per person, depending on how you order. If you want to keep it budget-friendlier, go for a shared starter and one main, then save room for a sweet finish.
After dinner, walk off the meal along the Riva promenade, Split’s waterfront living room, where locals and travelers spill out for a breezy night stroll. This is one of the best low-cost pleasures in town: a gelato, a cold drink, or simply a seat by the water while the ferries and sailboats drift in the dark. The walk from Bokeria Kitchen & Wine to the Riva takes only a few minutes through the old lanes, and it’s especially nice in early September when the heat has eased but the evenings still feel properly summer-like. Keep tonight unstructured — the city is doing the work for you.
Start early at Marjan Hill before the heat builds — this is the best free viewpoint in Split and, in September, it’s exactly the kind of warm-but-comfortable morning walk you want. Head up from Veli Varoš or the Matejuška side and take the shaded paths rather than rushing for the summit; you’ll get pine forest, sea views, and quiet corners with almost no cost beyond a bottle of water. Plan on about 2 hours if you want to wander rather than power-walk, and go while it’s still calm because by late morning locals and joggers start filling the trails.
From there, drop down to Bene Beach for a relaxed swim break. It’s a proper budget beach stop: no entrance fee, just bring sandals, a towel, and maybe snacks from town if you want to avoid paying beach prices. The water is usually still very pleasant in early September, and the pine trees give you some natural shade, which matters once the sun gets stronger. You can walk down from Marjan if you’re feeling active, or keep things easy and simply linger by the shore for a slower late morning.
Head over to Konoba Fetivi in Veli Varoš for lunch — this is the kind of Dalmatian konoba that feels local rather than polished, with seafood, grilled fish, black risotto, and simple seasonal sides that fit a budget without feeling like a compromise. Expect roughly €18–35 per person depending on how much you order, and it’s smart to come a bit before the main lunch rush if you want a table without waiting. After that, make your way to Mestrovic Gallery in the West Split / Sustipan area; it’s a short taxi or bus hop from the old town, but honestly the nicest way is a slow walk if the weather’s pleasant, because the coastal stretch here is one of the best in the city. Give yourself 1–1.5 hours to enjoy the sculpture collection and the sea-facing setting without hurrying.
Keep the day light with Froggyland in the Old Town — it’s quirky, small, and perfect when you want something different without committing to a big museum visit. It only takes around 30–45 minutes, so it works well as a fun stop between wandering the palace streets and getting back toward the coast. From there, head to Bačvice Beach for the evening: this is Split’s easiest social beach, close enough to the center that you can walk there in 10–15 minutes from the Riva area, and it’s ideal for a sunset swim followed by a cheap drink at one of the beach bars. If you want to stay budget-friendly, keep it simple with a beer or soft drink and enjoy the atmosphere rather than turning it into a long night out — September evenings are still warm, the sea is still inviting, and Bačvice is one of the best places in Split to end a warm weekend day feeling like you actually lived there for a while.
From Split, take the Promet Split bus early enough to be in Trogir before the old town starts to feel busy; aiming for an arrival around 9:00–9:30 gives you the best light and a calmer walk through the center. If you’re carrying anything heavier than a daypack, leave it at your accommodation or use a locker if your place offers one, because Trogir Old Town is compact, paved, and happiest when explored slowly on foot. Start at the heart of the UNESCO core and just let the lanes pull you along — this is one of those places where the first impression is the point, with stone alleys, tiny courtyards, and the sea always a few steps away.
Continue to the Cathedral of St. Lawrence, the big must-see here, where the carved portal and bell tower are absolutely worth the time. Inside, it’s usually calm in the morning, and if you’re up for it, the tower climb gives you a clean look over the red roofs and harbor for a few euros more; check opening times on arrival, since they can vary a bit by season. From there it’s only a short stroll to Cipiko Palace, which is a quick stop rather than a long one, but the Renaissance facade is one of the nicest details on the square route and easy to miss if you’re rushing.
After the landmarks, drift down to Riva Trogir for a slow waterfront loop. This is the part of the day where you can spend almost nothing and still enjoy the town properly: sit with a coffee, watch the boats, and use the harbor edge as your reset before lunch. A simple coffee here is usually just a few euros, and the whole area is a nice place to pause without feeling like you need to “do” anything. When you’re ready, head back into the old town for Konoba Trs, a dependable Dalmatian lunch stop where you can keep it budget-friendly by sharing a starter and ordering one main each; expect roughly €15–30 per person depending on seafood, wine, and whether you go for a full meal or keep it light.
With lunch done, make your way to Kamerlengo Castle on the west edge of the old town, an easy finish that keeps the whole day tightly clustered. The fortress is best for an unhurried hour: walk the walls if they’re open, take in the harbor views, and enjoy the open space after the tighter lanes of the center. Admission is usually modest, and in September the late-afternoon light is especially good for photos. If you have time before heading back, linger near the water for one last look at Trogir from the promenade — it’s a good place to let the day taper off naturally before catching your bus back to Split.