Laois Weather in September

Average temperatures, rainfall, sunshine and the best places to visit in Laois, Ireland in September.

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Portlaoise Killenard Mountmellick Donaghmore

Thinking about venturing to Laois, Ireland this September and curious about the weather conditions to expect? This page holds all the key information you seek, responding to your question:

What to Expect in Laois in September

Laois, Ireland is a region in Ireland. September in Laois generally has mild temperatures, with moderate precipitation.

Temperatures

You can expect mild maximum daytime temperatures of around 18°C (64°F) and nighttime temperatures around 10°C (50°F) in Portlaoise.

For a closer look at conditions across Laois, Ireland, refer to the map below.

Precipitation

September is a moderate rainy month with an average rainfall of around 72 mm (2.8 in) in Portlaoise.

Explore Laois by month

Pick a month to see the average temperature, rainfall and sunshine in Laois — and find the best time to visit. (based on Portlaoise)

January9°C (48°F) February10°C (50°F) March11°C (52°F) April13°C (55°F) May16°C (61°F) June19°C (66°F) This monthJuly20°C (68°F) August20°C (68°F) September18°C (64°F) October14°C (57°F) November11°C (52°F) December9°C (48°F)
Best Time to Visit Laois →

Best Places to Visit in Laois in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Laois.

Conditions Temperatures Precipitation
perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Laois

What is the weather like in September for some of the most popular destinations in Laois, Ireland?

Temperature range in Laois (September)

Precipitation variation in Laois (September)

Portlaoise

In September Portlaoise generally has moderate temperatures with maximum daytime temperatures around 18°C (64°F), minimum nighttime temperatures around 10°C (50°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

« August
September
October »
August
September
October
Max temperature
20°C (68°F)
18°C (64°F)
14°C (57°F)
Min temperature
12°C (54°F)
10°C (50°F)
7°C (45°F)
Monthly rainfall
83 mm (3.3 in)
72 mm (2.8 in)
83 mm (3.3 in)
Monthly rainy days
17 days
17 days
18 days
Weather conditions
perfect
pleasant
tolerable
Climate in Portlaoise →

Killenard

In September Killenard generally has moderate temperatures with maximum daytime temperatures around 18°C (64°F), minimum nighttime temperatures around 10°C (50°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

« August
September
October »
August
September
October
Max temperature
20°C (68°F)
18°C (64°F)
15°C (59°F)
Min temperature
12°C (54°F)
10°C (50°F)
7°C (45°F)
Monthly sun hours
157 hours
128 hours
97 hours
Monthly rainfall
83 mm (3.3 in)
71 mm (2.8 in)
82 mm (3.2 in)
Monthly rainy days
17 days
17 days
18 days
Weather conditions
perfect
pleasant
tolerable
Climate in Killenard →

Mountmellick

In September Mountmellick generally has moderate temperatures with maximum daytime temperatures around 18°C (64°F), minimum nighttime temperatures around 10°C (50°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

« August
September
October »
August
September
October
Max temperature
20°C (68°F)
18°C (64°F)
15°C (59°F)
Min temperature
12°C (54°F)
10°C (50°F)
7°C (45°F)
Monthly rainfall
85 mm (3.3 in)
73 mm (2.9 in)
83 mm (3.3 in)
Monthly rainy days
17 days
17 days
18 days
Weather conditions
perfect
pleasant
tolerable
Climate in Mountmellick →

Donaghmore

In September Donaghmore generally has moderate temperatures with maximum daytime temperatures around 18°C (64°F), minimum nighttime temperatures around 10°C (50°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

« August
September
October »
August
September
October
Max temperature
19°C (66°F)
18°C (64°F)
14°C (57°F)
Min temperature
12°C (54°F)
10°C (50°F)
7°C (45°F)
Monthly sun hours
142 hours
116 hours
87 hours
Monthly rainfall
85 mm (3.3 in)
75 mm (3 in)
86 mm (3.4 in)
Monthly rainy days
18 days
17 days
19 days
Weather conditions
pleasant
pleasant
tolerable
Climate in Donaghmore →

Abbeyleix

In September Abbeyleix generally has moderate temperatures with maximum daytime temperatures around 18°C (64°F), minimum nighttime temperatures around 10°C (50°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

« August
September
October »
August
September
October
Max temperature
20°C (68°F)
18°C (64°F)
14°C (57°F)
Min temperature
12°C (54°F)
10°C (50°F)
7°C (45°F)
Monthly rainfall
82 mm (3.2 in)
71 mm (2.8 in)
84 mm (3.3 in)
Monthly rainy days
17 days
17 days
18 days
Weather conditions
perfect
pleasant
tolerable
Climate in Abbeyleix →

Is your destination not in the list? Have a look at all destinations in Laois, in Ireland.

Popular cities in September

Day & night temperatures, rainfall and average weather in Laois in September.

City Weather Day temp Night temp Rainfall
Portlaoise 18°C (64°F) 10°C (50°F) 72 mm (2.8 in)
Killenard 18°C (64°F) 10°C (50°F) 71 mm (2.8 in)
Mountmellick 18°C (64°F) 10°C (50°F) 73 mm (2.9 in)
Donaghmore 18°C (64°F) 10°C (50°F) 75 mm (3 in)
Abbeyleix 18°C (64°F) 10°C (50°F) 71 mm (2.8 in)

Laois weather in September: frequently asked questions

What is the weather like in Laois, Ireland in September?

In September, Laois, Ireland generally has pleasant weather conditions. Portlaoise sees daytime temperatures near 18°C (64°F), with nights cooling to roughly 10°C (50°F).

What is the average temperature in Laois, Ireland in September?

Portlaoise averages a daytime maximum of 18°C (64°F) in September, with overnight lows close to 10°C (50°F).

Does Laois, Ireland get a lot of rain in September?

Rain is generally moderate to light in Laois, Ireland during September, with Portlaoise averaging close to 72 mm (2.8 in).

Is September a Good Time to Visit Laois, Ireland?

Given the typically pleasant weather conditions in Portlaoise, September might be a good time to visit Laois, Ireland. It's worth noting that weather conditions might differ depending on the location you visit.

Generally speaking, the best visiting conditions can be found in July and August offering mostly perfect weather in Portlaoise. The weather in January, February and December, on the other hand, tends to be poor.

Interested in more climate information?

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.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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