Mountshannon Weather in September

Thinking of visiting Mountshannon in September? Expect moderate temperatures reaching 18°C (64°F) during the day, dropping to 10°C (50°F) at night, and note that quite a bit of rainfall is likely.

Rainfall in Mountshannon in September

Past climate data indicates that roughly 18 days will see rain, totalling around 86 mm (3.4 in) for the month. Rain falls on many days this month, but usually in relatively small amounts. A light waterproof is more useful than a heavy umbrella.

Temperature in Mountshannon in September

In September, Mountshannon gets moderate temperatures, with highs of 18°C (64°F). Nights cool to around 10°C (50°F). The difference between afternoon and evening temperatures is usually noticeable. Nights fall to 10°C (50°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.

Sunshine in Mountshannon in September

With about 116 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.

Should you favor a climate that's both dry and comfortably warm, July typically offers the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.