Last updated: August 23, 2025
In Baile an Mhuilinn, Ireland, the average temperature in September hovers around 13°C (57°F). Be prepared for a range, as temperatures can dip to a chilly 2°C (36°F) or rise to a warm 27°C (81°F). With 88 mm (3.4 in) of precipitation expected over 16 days, and humidity levels reaching an average of 88%, it's wise to pack an umbrella and dress in layers to stay comfortable!
In September in Baile an Mhuilinn, the average temperature is 13°C (57°F). The maximum can reach 27°C (81°F) and the minimum can be as low as 2°C (36°F). This variation in temperatures makes it advisable to pack both lightweight clothing for the warmer days and warmer layers for the cooler evenings.
In Baile an Mhuilinn, in September, the precipitation amount is 88 mm (3.4 in) over the course of 16 days.
In Baile an Mhuilinn in September humidity is 88%. With an average temperature of 13°C (57°F), this humidity feels like a damp blanket wrapping around you, making outdoor activities less inviting and turning leisurely strolls into a sweaty challenge.
In Baile an Mhuilinn in September, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Baile an Mhuilinn.
UV Risk Categories
Weather in Baile an Mhuilinn varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Baile an Mhuilinn, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 6°C (44°F) | 80 mm (3.1 inches) | 88% | low |
| February Weather | 7°C (44°F) | 128 mm (5.1 inches) | 88% | low |
| March Weather | 7°C (45°F) | 112 mm (4.4 inches) | 87% | moderate |
| April Weather | 9°C (49°F) | 73 mm (2.9 inches) | 86% | high |
| May Weather | 12°C (53°F) | 83 mm (3.3 inches) | 83% | high |
| June Weather | 14°C (57°F) | 72 mm (2.8 inches) | 83% | very high |
| July Weather | 16°C (60°F) | 73 mm (2.9 inches) | 85% | very high |
| August Weather | 15°C (59°F) | 134 mm (5.3 inches) | 85% | high |
| September Weather | 13°C (57°F) | 88 mm (3.4 inches) | 88% | moderate |
| October Weather | 11°C (52°F) | 121 mm (4.8 inches) | 91% | moderate |
| November Weather | 8°C (47°F) | 106 mm (4.2 inches) | 92% | low |
| December Weather | 7°C (45°F) | 132 mm (5.2 inches) | 89% | low |