September weather forecast and climate
Salmon, ID

What is the average temperature in September in Salmon?

The average high-temperature, in September, in Salmon, is 74.8°F (23.8°C), while the average low-temperature is 40.5°F (4.7°C).
Average temperature in September - Salmon, ID
  • Average high temperature in September: 74.9°F

The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (28.4°F).

  • Average low temperature in September: 40.4°F

The month with the highest average low temperature is July (50.9°F).
The coldest month (with the lowest average low temperature) is January (9.3°F).

Average rainfall in September - Salmon, ID
  • Average rainfall in September: 0.8"

Wettest months (with the highest rainfall) are May and June (1.4").
Driest months (with the lowest rainfall) are February and March (0.5").

Average rainfall days in September - Salmon, ID
  • Average rainfall days in September: 7 days

The month with the highest number of rainy days is January (13 days).
Months with the lowest number of rainy days are July, August, September and October (7 days).

Average daylight in September / Average sunshine in September - Salmon, ID
  • Average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 15.6h).
The month with shortest days is December (Average daylight: 8.8h).

  • Average sunshine in September: 9h

The month with most sunshine is July (Average sunshine: 12h).
The month with least sunshine is December (Average sunshine: 3h).

Average UV index in September - Salmon, ID
  • Average UV index in September: 6

Months with the highest UV index are June and July (UV index 9).
Months with the lowest UV index are January and December (UV index 1).