Monaghan Weather in September

September in Monaghan sees daytime temperatures around 17°C (63°F) and lows of 10°C (50°F) at night. With around 80 mm (3.1 in) of rainfall expected, it's worth packing a rain jacket.

Rainfall in Monaghan in September

Rain is expected on roughly 19 days, totalling around 80 mm (3.1 in) for the month. Rain is frequent but mostly light this month, with brief showers more common than heavy downpours.

Temperature in Monaghan in September

September in Monaghan sees highs of 17°C (63°F) and lows of 10°C (50°F) overnight. Even when the weather is stable, mornings and evenings can still feel distinctly cool. At 10°C (50°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.

Sunshine in Monaghan in September

The area enjoys a balanced 109 hours of sunlight, ensuring it's neither too overcast nor too sunny.

If your ideal day consists of dry skies and pleasant temperatures, July typically offers the best circumstances for Monaghan.

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Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Ireland, check out our Monaghan's climate page.

Monaghan Temperature in September

Min Temperature 10°C (50°F)  

Max Temperature 17°C (63°F)  

Chance of Rain 62%  

Precipitation 80 mm (3.1 in)  

Rainy days 19 days  

Humidity 91% *  

Sunshine 109 hours *  

Percentage Sunshine 28% *  

* Data from: Belfast, Ireland (66 KM, 41 Miles).

What to Wear in Monaghan in September

Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Monaghan in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

6/10

Cycling

6/10

Walking

6/10

Camping

4/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Ireland, check out our Monaghan's climate page.

More climate data for Monaghan

Temperature Rainfall Sunshine Humidity

See the full Monaghan climate overview or explore weather in Ireland.