SeasonMapVisby weather in September
Sweden
September in Visby: nice, a little rain, with clean air — a great time to visit.
#4 of 12 months in Visby · #813 of 1383 destinations to visit in September · comfort 77/100 (tier B)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Visby in September
Other months in Visby
Early June gets you Gotland at its best and its emptiest — the forum rates late May and early June as when nature peaks and the crowds have not arrived, with weather notably better than the rest of the Scandinavian peninsula and less rain. Eighteen hours of daylight, 21°C days. The catch is that quite a few restaurants and cafés do not open until mid-June, so early June trades company for closures. The other timing note: Visby's Medieval Week — authentic dress, feasts and jousting inside the 13th-century walls — is an August event, not a June one.
Add your own note from Visby's card on the map.
Visby climate normals — September
| Daytime high | 17°C / 62°F | 😎 nice |
|---|---|---|
| Nighttime low | 12°C / 54°F | |
| Sea temperature | 17°C / 63°F | 🧊 bracing |
| Rainfall | 47 mm / 1.8 in | 🌦 some rain |
| Rainy days | 10 days | |
| Humidity | 79% | 💦 very humid |
| Dew point | 11°C / 51°F | |
| Sunshine | 9.3 h/day | |
| Daylight | 12.8 h | |
| Wind | 25 km/h / 15 mph | |
| Air quality (US AQI) | 39 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Visby in September
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Shoulder seasonschool holidays in 3 of the markets that fill it, an ordinary month(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Visby's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Fair weatherVisby's weather peaks June–August.
Best weatherFair weatherToughest weather
Nearby, and something's on
Within 300 km of Visby — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Visby?
Visby in September — FAQ
- Is September a good time to visit Visby?
- September in Visby: nice, a little rain, with clean air — a great time to visit. It ranks #4 of 12 months for Visby on SeasonMap's comfort score (77/100).
- What is the weather like in Visby in September?
- In September, Visby averages a daily high of 16.6°C and a low of 12°C, with about 46.8 mm of rain over roughly 10.4 rainy days.
- What is the air quality in Visby in September?
- Visby has a mean US Air Quality Index of about 39 in September.
Other months in Visby
Compare Visby in September
Warmer or cooler than Visby in September
Similar destinations in Northern Europe — September
Within 300 km: Stockholm's Crayfish season around 1 Aug – 5 Sep.