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Achill Island weather in September

Considering a trip to Achill Island this September and wondering about the expected weather conditions? Find all the crucial information you need right here, addressing your question:

What is the weather like in Achill Island in September?

Achill Island is a region in Ireland. September in Achill Island generally has moderate temperatures, with high precipitation.

You can expect moderate maximum daytime temperatures of around 17°C and nighttime temperatures around 12°C in Keel.

In September, precipitation varies across different areas. From high rainfall in Doogort with an average of 111 mm to high rainfall in Dooagh with 118 mm. Most areas experience a moderate amount of sunshine, with approximately 118 hours of sunlight expected in Keel. This makes it neither too gloomy nor overly bright.

For a closer look at September's conditions in Achill Island, see the map below. For a more detailed look at Achill Island's yearly weather, check out our Achill Island climate page.

Where to go in Achill Island in September

Find the average weather conditions in September for the most popular destinations in Achill Island on the map below. Click on a destination dot for more detailed information.

Map not visible? Whoops sorry! Please refresh the page.
Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

Popular destinations in Achill Island

What is the weather like in September for the 5 most popular destinations in Achill Island?

Average weather in Keel

In September Keel generally has moderate temperatures with maximum daytime temperatures around 17°C, minimum nighttime temperatures around 12°C and high monthly rainfall. So on average the conditions are unpleasant that month.

Keel
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
18°C 
13°C 
142 hours 
116 mm 
21 days 
17°C 
12°C 
118 hours 
116 mm 
21 days 
October   >> October
>>  
14°C 
10°C 
90 hours 
144 mm 
24 days 
Climate in Keel

Average weather in Achill Sound

In September Achill Sound generally has moderate temperatures with maximum daytime temperatures around 17°C, minimum nighttime temperatures around 12°C and high monthly rainfall. So on average the conditions are unpleasant that month.

Achill Sound
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
18°C 
13°C 
142 hours 
118 mm 
21 days 
17°C 
12°C 
118 hours 
116 mm 
21 days 
October   >> October
>>  
14°C 
10°C 
90 hours 
142 mm 
24 days 
Climate in Achill Sound

Average weather in Doogort

In September Doogort generally has moderate temperatures with maximum daytime temperatures around 17°C, minimum nighttime temperatures around 12°C and high monthly rainfall. So on average the conditions are unpleasant that month.

Doogort
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
18°C 
13°C 
142 hours 
112 mm 
21 days 
17°C 
12°C 
118 hours 
111 mm 
21 days 
October   >> October
>>  
14°C 
10°C 
90 hours 
136 mm 
24 days 
Climate in Doogort

Average weather in Bunacurry

In September Bunacurry generally has moderate temperatures with maximum daytime temperatures around 17°C, minimum nighttime temperatures around 12°C and high monthly rainfall. So on average the conditions are unpleasant that month.

Bunacurry
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
18°C 
13°C 
142 hours 
114 mm 
21 days 
17°C 
12°C 
118 hours 
112 mm 
21 days 
October   >> October
>>  
14°C 
10°C 
90 hours 
137 mm 
24 days 
Climate in Bunacurry

Average weather in Dooagh

In September Dooagh generally has moderate temperatures with maximum daytime temperatures around 17°C, minimum nighttime temperatures around 12°C and high monthly rainfall. So on average the conditions are unpleasant that month.

Dooagh
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
18°C 
14°C 
142 hours 
117 mm 
21 days 
17°C 
12°C 
118 hours 
118 mm 
21 days 
October   >> October
>>  
14°C 
10°C 
90 hours 
146 mm 
24 days 
Climate in Dooagh

Is your destination not in the list? Have a look at other destinations in Achill Island, in Ireland.

Is September the best time to visit Achill Island?

In our opinion, September may not be the ideal time to visit Achill Island due to the typically unpleasant weather in Keel.

Generally speaking, the best visiting conditions can be found in May, June and August offering mostly tolerable weather in Keel. On the other hand, the months of January, February, March, November and December tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Achill Island. Interested in the weather conditions in a specific month? Select the month below.

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  • 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 climate conditions. Find out where to go with our weather planner.