Last updated: August 23, 2025
In September, the average temperature in Ballon, Ireland hovers around 13°C (56°F), with lows dipping to a brisk 0°C (32°F) and highs reaching a comfortable 25°C (78°F). Expect 67 mm (2.6 in) of precipitation over about 12 days, contributing to a lush and vibrant landscape. With an average humidity of 86%, the air feels rich and fresh, making it an ideal time to explore the splendor of Ballon.
In September in Ballon, the average temperature is 13°C (56°F). Maximum temperatures can reach 25°C (78°F), while minimum temperatures can drop as low as 0°C (32°F). It's a great time to explore Ballon, as the mild weather is perfect for outdoor activities and sightseeing.
In Ballon in September, the precipitation amount is 67 mm (2.6 in) distributed over 12 days.
In Ballon in September, humidity is 86%. With an average temperature of 13°C (56°F), this humidity feels like a damp blanket enveloping you, making outdoor activities slightly uncomfortable and prompting travelers to seek shade or air-conditioned spaces frequently.
In Ballon 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 Ballon.
UV Risk Categories
Weather in Ballon varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Ballon, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 5°C (41°F) | 50 mm (2.0 inches) | 85% | low |
| February Weather | 6°C (43°F) | 90 mm (3.6 inches) | 86% | low |
| March Weather | 6°C (44°F) | 80 mm (3.1 inches) | 86% | moderate |
| April Weather | 8°C (47°F) | 62 mm (2.4 inches) | 85% | moderate |
| May Weather | 11°C (52°F) | 72 mm (2.8 inches) | 83% | high |
| June Weather | 14°C (58°F) | 70 mm (2.8 inches) | 85% | very high |
| July Weather | 16°C (61°F) | 69 mm (2.7 inches) | 86% | very high |
| August Weather | 15°C (60°F) | 100 mm (3.9 inches) | 85% | high |
| September Weather | 13°C (56°F) | 67 mm (2.6 inches) | 86% | moderate |
| October Weather | 10°C (51°F) | 88 mm (3.5 inches) | 87% | moderate |
| November Weather | 7°C (45°F) | 95 mm (3.8 inches) | 86% | low |
| December Weather | 6°C (43°F) | 99 mm (3.9 inches) | 84% | low |