Romsey Weather in September

September in Romsey brings pleasant temperatures, with highs of 20°C (68°F) and nights dropping to 11°C (52°F). Rainfall is on the higher side this month, averaging around 61 mm (2.4 in), so keep a rain jacket handy.

Rainfall in Romsey in September

Based on our climate data of the past 30 years, about 12 days of rain are anticipated, with 61 mm (2.4 in) on average. Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.

Temperature in Romsey in September

September tends to be one of the excellent months in Romsey, with 20°C (68°F) in the afternoon and 11°C (52°F) overnight. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. At 11°C (52°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in Romsey in September

You can expect a moderate amount of sunlight, with approximately 149 hours. This means a pleasant mix of sun and overcast.

Average water temperature in September

The water temperature is 17°C (63°F), chilly, but perfectly fine for a swim if you're not too sensitive to cold water. A short wetsuit can make longer sessions more comfortable.

So this is a great month to visit if you prefer dry days with pleasant temperatures.