September Weather in Glenns Ferry

Last updated: March 2, 2024

The weather in Glenns Ferry, United States, during September is characterized by an average temperature of 19°C (67°F). Highs can soar to 37°C (99°F), while lows may dip to 4°C (39°F). Typically, the humidity level in Glenns Ferry throughout September hovers around 48%.

4°C (39°F)

Minimum temperature

19°C (67°F)

Average temperature

37°C (99°F)

Maximum temperature

48%

Humidity

Precipitation and Sunshine hours

In September, Glenns Ferry averages 11 mm (0.4 inches) of rainfall, typically over the course of 2 rainy days. The month enjoys an average of 12 hours 25 minutes of daylight, with the sun shining for approximately 10 hours 12 minutes each day. Additionally, there is a 86% probability of sunny days during this period.

11 mm (0.4 inches)

Precipitation

2 rainy days

Rainy days

10 hours 12 minutes

Sunshine hours

86%

Chance of sun

UV Index

In September, the UV Index in Glenns Ferry reaches a maximum of 9, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 14:00 and 16:00, 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 0 1 2 3 5 7 8 9 7 6 3 2 1
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 Glenns Ferry's Climate with Cities Worldwide