September weather forecast
Killarney, Ireland

September indicates the advent of autumn in Killarney, with the temperature slightly dropping from August and rainfall amounting to 117mm (4.61"). Less sunshine is seen this month, replicating the transition from summer to autumn. Amongst the falling leaves, the city exhibits an array of colors, sparking a different kind of beauty. Despite the start of colder weather, Killarney remains a place of interest for many.

Temperature

Killarney marks the onset of September with an average high-temperature of a still enjoyable 16°C (60.8°F), subtly divergent from August's 18°C (64.4°F). Killarney's average low-temperature in September is measured at a cool 10°C (50°F).

Rainfall

In Killarney, in September, it is raining for 19 days, with typically 117mm (4.61") of accumulated precipitation. Throughout the year, there are 235 rainfall days, and 1372mm (54.02") of precipitation is accumulated.

Daylight

The average length of the day in September is 12h and 39min.
On the first day of the month, sunrise is at 6:50 am and sunset at 8:24 pm. On the last day of September, sunrise is at 7:38 am and sunset at 7:17 pm IST.

Sunshine

The average sunshine in September is 4h.

UV index

The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.
Note: A maximum high daily UV index of 4 during September translates into the following directions:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.