September in Klaipėda averages a daily high of 18.3°C with nights around 10.6°C. Expect roughly 11.6 wet days totalling 63.4mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Klaipėda is May–September.
Based on KLAIPEDA, LH (5.4km), 1995–2024. 28 years of September data.