September in Eastleigh averages a daily high of 19.8°C with nights around 9.8°C. Expect roughly 11.2 wet days totalling 68.6mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Eastleigh is June–September.
Based on HURN, UK (39.9km), 1995–2024. 30 years of September data.