Arklow Weather in September
In Arklow, September brings moderate daytime temperatures around 17°C (63°F), with nights cooling to 11°C (52°F). Expect quite a bit of rainfall this month.
Rainfall in Arklow in September
The climate data from previous years indicates about 15 days of rain, averaging 81 mm (3.2 in) for the month. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.
Temperature in Arklow in September
In September, Arklow sees moderate temperatures, with highs of 17°C (63°F). Nights drop to around 11°C (52°F). Experience the summer season in September. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. With lows of 11°C (52°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.
Sunshine in Arklow in September
The area enjoys a balanced 144 hours of sunlight, ensuring it's neither too overcast nor too sunny.Our weather planner can help you find worldwide destinations with pleasant weather during this period. July and August typically offer the best weather for Arklow.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Ireland, check out our Arklow's climate page.
Arklow Temperature in September
Min Temperature
11°C (52°F)
Max Temperature
17°C (63°F)
Chance of Rain
50%
Precipitation
81 mm (3.2 in)
Rainy days
15 days
Humidity
77% *
Sunshine
144 hours *
Percentage Sunshine
40% *
Best Places in Ireland in September
Find out more about the weather in Ireland and which places have the best travel conditions in this month. See all of Ireland in September →
perfect weather
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unpleasant
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What to Wear in Arklow in September
For Arklow in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Arklow in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Ireland, check out our Arklow's climate page.
Temperature Rainfall Sunshine Humidity
See the full Arklow climate overview or explore weather in Ireland.
