September Weather in Dunoon

Last updated: March 2, 2024

The weather in Dunoon, United Kingdom, during September is characterized by an average temperature of 13°C (55°F). Highs can soar to 20°C (68°F), while lows may dip to 4°C (40°F). Typically, the humidity level in Dunoon throughout September hovers around 88%.

4°C (40°F)

Minimum temperature

13°C (55°F)

Average temperature

20°C (68°F)

Maximum temperature

88%

Humidity

Precipitation and Sunshine hours

In September, Dunoon averages 140 mm (5.5 inches) of rainfall, typically over the course of 18 rainy days. The month enjoys an average of 12 hours 40 minutes of daylight, with the sun shining for approximately 9 hours 9 minutes each day. Additionally, there is a 15% probability of sunny days during this period.

140 mm (5.5 inches)

Precipitation

18 rainy days

Rainy days

9 hours 9 minutes

Sunshine hours

15%

Chance of sun

UV Index

In September, the UV Index in Dunoon reaches a maximum of 5, indicating a level of Moderate exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 30 minutes.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
  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 1 2 3 4 4 4 4 3 2 1 1
Exposure Low Moderate Low
Time to burn 45 min 30 min 45 min

Compare Dunoon's Climate with Cities Worldwide