Last updated: March 2, 2024
The weather in Innerleithen, United Kingdom, during September is characterized by an average temperature of 11°C (53°F). Highs can soar to 20°C (69°F), while lows may dip to 2°C (36°F). Typically, the humidity level in Innerleithen throughout September hovers around 88%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In September, Innerleithen averages 78 mm (3.1 inches) of rainfall, typically over the course of 14 rainy days. The month enjoys an average of 12 hours 40 minutes of daylight, with the sun shining for approximately 9 hours 16 minutes each day. Additionally, there is a 17% probability of sunny days during this period.
Precipitation
Rainy days
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Chance of sun
In September, the UV Index in Innerleithen reaches a maximum of 5, indicating a level of Moderate exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, during which unprotected skin may burn in as little as 30 minutes.
| 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UVI | 1 | 1 | 2 | 3 | 4 | 4 | 5 | 5 | 4 | 3 | 2 | 1 | 1 |
| Exposure | Low | Moderate | Low | ||||||||||
| Time to burn | 45 min | 30 min | 45 min | ||||||||||