Last updated: August 23, 2025
In September, the average temperature in Ballybofey-Stranorlar, Ireland hovers around 12°C (55°F), with a minimum dipping to 1°C (35°F) and a maximum reaching 24°C (75°F). You'll likely experience 97 mm (3.8 in) of precipitation spread over 19 days, contributing to a notable average humidity of 87%. Be prepared for a mix of weather as you enjoy your time in this unique locale!
In September in Ballybofey-Stranorlar, the average temperature is 12°C (55°F). Maximums can reach 24°C (75°F) and minimums can be as low as 1°C (35°F). It's a delightful time to explore Ballybofey-Stranorlar, so be sure to pack layers to accommodate the varying temperatures.
In Ballybofey-Stranorlar in September, the precipitation amount is 97 mm (3.8 in) spread over the course of 19 days.
In Ballybofey-Stranorlar in September humidity is 87%. With an average temperature of 12°C (55°F), this humidity feels like a damp chill that clings to your skin, making outdoor activities less enjoyable and requiring extra layers for comfort while traveling.
In Ballybofey-Stranorlar 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 Ballybofey-Stranorlar.
UV Risk Categories
Weather in Ballybofey-Stranorlar varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Ballybofey-Stranorlar, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 5°C (42°F) | 84 mm (3.3 inches) | 84% | low |
| February Weather | 5°C (42°F) | 128 mm (5.0 inches) | 84% | low |
| March Weather | 6°C (43°F) | 111 mm (4.4 inches) | 83% | moderate |
| April Weather | 8°C (47°F) | 60 mm (2.4 inches) | 84% | moderate |
| May Weather | 11°C (52°F) | 77 mm (3.0 inches) | 83% | high |
| June Weather | 13°C (56°F) | 103 mm (4.1 inches) | 83% | very high |
| July Weather | 15°C (59°F) | 99 mm (3.9 inches) | 86% | very high |
| August Weather | 14°C (58°F) | 142 mm (5.6 inches) | 86% | high |
| September Weather | 12°C (55°F) | 97 mm (3.8 inches) | 87% | moderate |
| October Weather | 10°C (50°F) | 120 mm (4.7 inches) | 87% | moderate |
| November Weather | 7°C (45°F) | 106 mm (4.2 inches) | 88% | low |
| December Weather | 6°C (43°F) | 120 mm (4.7 inches) | 84% | low |