September Weather in Lewiston

Last updated: March 2, 2024

The weather in Lewiston, Australia, during September is characterized by an average temperature of 13°C (56°F). Highs can soar to 29°C (84°F), while lows may dip to 4°C (39°F). Typically, the humidity level in Lewiston throughout September hovers around 65%.

4°C (39°F)

Minimum temperature

13°C (56°F)

Average temperature

29°C (84°F)

Maximum temperature

65%

Humidity

Precipitation and Sunshine hours

In September, Lewiston averages 35 mm (1.4 inches) of rainfall, typically over the course of 8 rainy days. The month enjoys an average of 11 hours 52 minutes of daylight, with the sun shining for approximately 9 hours 19 minutes each day. Additionally, there is a 57% probability of sunny days during this period.

35 mm (1.4 inches)

Precipitation

8 rainy days

Rainy days

9 hours 19 minutes

Sunshine hours

57%

Chance of sun

UV Index

In September, the UV Index in Lewiston reaches a maximum of 8, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 11:00 and 13:00, during which unprotected skin may burn in as little as 15 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 3 5 6 8 8 6 5 3 1 1 0 0
Exposure Low Moderate High VeryHigh High Moderate Low
Time to burn 45 min 30 min 25 min 15 min 25 min 30 min 45 min

Compare Lewiston's Climate with Cities Worldwide