Daytime highs, nighttime lows and the warmest cities in Laois, Ireland this September.
Laois, Ireland, a region in Ireland, typically experiences mild weather in September, with maximum daytime temperatures around 18°C (64°F) and nighttime temperatures around 10°C (50°F) in Portlaoise.
To get a sense of September's typical temperatures in the key spots of Laois, explore the map below. Click on a point for an in-depth look.
Check the conditions for any month of the year.
Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Laois.
Marker color shows the average daytime high temperature in September: blue is cold, red is hot.
Portlaoise averages a daytime high of 18°C (64°F) in September, which is moderate for Laois, Ireland.
Average overnight lows in Laois, Ireland during September sit near 10°C (50°F) in Portlaoise.
We have much more information about the climate in Laois.
Weather and climate has detailed information for every country in the world. Are you going to Ireland? Get detailed historical weather averages for many cities in Ireland.
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