September weather forecastMud Lake, ID
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Mud Lake, Idaho, with an average temperature varying between 49.5°F (9.7°C) and 73.6°F (23.1°C).Temperature
September's arrival comes with a decrease in the average high-temperature, moving from 84.4°F (29.1°C) in August to a still warm 73.6°F (23.1°C). In Mud Lake, the nighttime chill during September is a clear shift from the day's highs, with an average of 49.5°F (9.7°C).Humidity
The average relative humidity in September is 41%.Rainfall
The months with the most rainfall are May and September, with an average 0.83" (21mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, there are 54.4 snowfall days, and 16.89" (429mm) of snow is accumulated.Daylight
In Mud Lake, the average length of the day in September is 12h and 29min.On the first day of the month, sunrise is at 6:54 am and sunset at 8:04 pm. On the last day of September, sunrise is at 7:27 am and sunset at 7:11 pm MDT.
Sunshine
The average sunshine in September is 10h.UV index
The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: In September, the maximum UV index of 4 suggests these recommendations:
Take precautions - Protection against sun damage is advised. To guard against the harmful effects of the Sun, minimize exposure during midday. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Mud Lake, ID
- Average high temperature in September: 73.6°F
The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is December (27.9°F).
- Average low temperature in September: 49.5°F
The month with the highest average low temperature is August (54.3°F).
The coldest month (with the lowest average low temperature) is January (14.2°F).
Average pressure in September
Mud Lake, ID
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is January (30.3"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Mud Lake, ID
- Average wind speed in September: 7.6mph
The windiest month (with the highest average wind speed) is April (9mph).
The calmest month (with the lowest average wind speed) is January (5.8mph).
Average humidity in September
Mud Lake, ID
- Average humidity in September: 41%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (35%).
Average rainfall in September
Mud Lake, ID
- Average rainfall in September: 0.83"
The wettest months (with the highest rainfall) are May and September (0.83").
The driest month (with the least rainfall) is July (0.35").
Average rainfall days in September
Mud Lake, ID
- Average rainfall days in September: 8.1 days
The month with the highest number of rainy days is May (10.7 days).
The month with the least rainy days is January (3.7 days).
Average snowfall in September
Mud Lake, ID
- Average snowfall in September: 0.04"
The month with the highest snowfall is January (3.86").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Mud Lake, ID
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is December (12.9 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Mud Lake, ID
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 10h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in September
Mud Lake, ID
- Average sunshine days in September: 19.4 days
The month with the most sunshine days is October (22.1 days).
The month with the least sunshine days is February (16.2 days).
Average UV index in September
Mud Lake, ID
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in September
Mud Lake, ID
- Average cloud cover in September: 16
The months with the most cloud cover are January and February (Cloud cover 51).
The months with the least cloud cover are July and August (Cloud cover 11).
Average visibility in September
Mud Lake, ID
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and February (4mi).





