Monmouth Weather in September

September in Monmouth brings pleasant temperatures around 19°C (66°F) during the day, dropping to 10°C (50°F) at night, with quite a bit of rainfall expected, averaging around 62 mm (2.4 in) for the month.

Rainfall in Monmouth in September

Historically, approximately 14 days this month are expected to have rain, averaging 62 mm (2.4 in). 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 Monmouth in September

Expect highs of 19°C (66°F) in Monmouth in September, with nights dropping to around 10°C (50°F). Conditions are often most pleasant around the middle of the day. Nights drop to around 10°C (50°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Monmouth in September

The area enjoys a balanced 151 hours of sunlight, ensuring it's neither too overcast nor too sunny.

If your ideal day consists of dry skies and pleasant temperatures, June, July and August typically offer the best circumstances for Monmouth.