Louth County Weather in September

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

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Dundalk Carlingford Drogheda

Planning a getaway to Louth County, Ireland this September and curious about the weather you should prepare for? Discover all the vital details you need on this page, solving your puzzle:

What to Expect in Louth County in September

Louth County, Ireland is a region in Ireland. September in Louth County 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 Dundalk.

To explore the conditions in Louth County, Ireland in more detail, check the map below.

Precipitation

In September, precipitation varies across different areas. From moderate rainfall in Drogheda with an average of 72 mm (2.8 in) to moderate rainfall in Carlingford with 80 mm (3.1 in).

Average sunshine

Sunshine amounts are decent in most places. Dundalk gets approximately 128 hours of sunlight in September, offering a reasonable amount of both bright and cloudy periods. Curious about sunnier destinations? Our weather planner makes it easy to find places worldwide with pleasant weather.

Explore Louth County by month

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

January9°C (48°F) February9°C (48°F) March11°C (52°F) April13°C (55°F) May16°C (61°F) June18°C (64°F) This monthJuly20°C (68°F) August19°C (66°F) September18°C (64°F) October14°C (57°F) November11°C (52°F) December9°C (48°F)
Best Time to Visit Louth County →

Best Places to Visit in Louth County in September

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

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 Louth County

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

Temperature range in Louth County (September)

Precipitation variation in Louth County (September)

Dundalk

In September Dundalk 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)
8°C (46°F)
Monthly sun hours
157 hours
128 hours
97 hours
Monthly rainfall
89 mm (3.5 in)
76 mm (3 in)
85 mm (3.3 in)
Monthly rainy days
17 days
17 days
18 days
Weather conditions
pleasant
pleasant
tolerable
Climate in Dundalk →

Carlingford

In September Carlingford generally has moderate temperatures with maximum daytime temperatures around 17°C (63°F), minimum nighttime temperatures around 11°C (52°F) and moderate monthly rainfall. So on average the conditions are tolerable that month.

« August
September
October »
August
September
October
Max temperature
19°C (66°F)
17°C (63°F)
14°C (57°F)
Min temperature
13°C (55°F)
11°C (52°F)
9°C (48°F)
Monthly sun hours
157 hours
128 hours
97 hours
Monthly rainfall
89 mm (3.5 in)
80 mm (3.1 in)
92 mm (3.6 in)
Monthly rainy days
17 days
17 days
19 days
Weather conditions
pleasant
tolerable
tolerable
Climate in Carlingford →

Drogheda

In September Drogheda generally has pleasant temperatures with maximum daytime temperatures around 18°C (64°F), minimum nighttime temperatures around 11°C (52°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
13°C (55°F)
11°C (52°F)
8°C (46°F)
Monthly sun hours
157 hours
128 hours
97 hours
Monthly rainfall
81 mm (3.2 in)
72 mm (2.8 in)
79 mm (3.1 in)
Monthly rainy days
17 days
16 days
17 days
Weather conditions
perfect
pleasant
tolerable
Climate in Drogheda →

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

Popular cities in September

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

City Weather Day temp Night temp Rainfall
Dundalk 18°C (64°F) 10°C (50°F) 76 mm (3 in)
Carlingford 17°C (63°F) 11°C (52°F) 80 mm (3.1 in)
Drogheda 18°C (64°F) 11°C (52°F) 72 mm (2.8 in)

Louth County weather in September: frequently asked questions

What is the weather like in Louth County, Ireland in September?

Expect pleasant weather across Louth County, Ireland in September. The popular destination of Dundalk averages 18°C (64°F) by day and 10°C (50°F) at night during this month.

What is the average temperature in Louth County, Ireland in September?

In Dundalk, the average daytime high in September is 18°C (64°F), while nighttime temperatures drop to around 10°C (50°F).

Does Louth County, Ireland get a lot of rain in September?

Not particularly. Dundalk averages just 76 mm (3 in) of rain in September, making it a mostly dry month for Louth County, Ireland.

Is September a Good Time to Visit Louth County, Ireland?

In our opinion, September is a good time to visit Louth County, Ireland with overall pleasant weather in Dundalk. However, the weather conditions may vary depending on your destination.

On average, the best time to visit Louth County, Ireland is in July with generally perfect weather in Dundalk. On the other hand, the weather in January, February and December tend to be poor.

Interested in more climate information?

We have much more information about the climate in Louth County.

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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