September weather forecastSugar City, ID
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Sugar City, Idaho, with temperature in the range of an average high of 72.7°F (22.6°C) and an average low of 47.3°F (8.5°C).Temperature
The transition into September is accompanied by a temperature decrease, with the average high-temperature shifting from a moderately hot 82.9°F (28.3°C) in August to an agreeable 72.7°F (22.6°C). The nighttime temperature in Sugar City shows a significant divergence from the daytime highs, averaging at a chilly 47.3°F (8.5°C) in September.Humidity
The average relative humidity in September in Sugar City is 43%.Rainfall
In Sugar City, during September, the rain falls for 9 days and regularly aggregates up to 0.91" (23mm) of precipitation. Throughout the year, there are 120.3 rainfall days, and 11.02" (280mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall in Sugar City, Idaho. September is the first month it typically snows in Sugar City. Throughout September, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, in Sugar City, there are 84.8 snowfall days, and 31.85" (809mm) of snow is accumulated.Daylight
In September, the average length of the day is 12h and 29min.On the first day of the month, sunrise is at 6:51 am and sunset at 8:02 pm. On the last day of September, sunrise is at 7:24 am and sunset at 7:09 pm MDT.
Sunshine
The average sunshine in September in Sugar City is 10h.UV index
The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index of 4 during September translates into these guidelines:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sugar City, ID
- Average high temperature in September: 72.7°F
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is December (26.6°F).
- Average low temperature in September: 47.3°F
The month with the highest average low temperature is August (52.9°F).
The coldest month (with the lowest average low temperature) is January (12.7°F).
Average pressure in September
Sugar City, ID
- Average pressure in September: 29.99"Hg
The month with the highest atmospheric pressure is January (30.29"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Sugar City, ID
- Average wind speed in September: 6.3mph
The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is January (4.3mph).
Average humidity in September
Sugar City, ID
- Average humidity in September: 43%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (38%).
Average rainfall in September
Sugar City, ID
- Average rainfall in September: 0.91"
The wettest months (with the highest rainfall) are April and May (1.26").
The driest month (with the least rainfall) is July (0.39").
Average rainfall days in September
Sugar City, ID
- Average rainfall days in September: 9 days
The month with the highest number of rainy days is April (14.9 days).
The month with the least rainy days is July (6.3 days).
Average snowfall in September
Sugar City, ID
- Average snowfall in September: 0.04"
The month with the highest snowfall is January (8.9").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Sugar City, ID
- Average snowfall days in September: 0.1 days
The months with the highest number of snowfall days are January and February (18.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Sugar City, 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: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in September
Sugar City, ID
- Average sunshine days in September: 18 days
The month with the most sunshine days is July (20.6 days).
The month with the least sunshine days is February (8.8 days).
Average UV index in September
Sugar City, 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 and December (UV index 1).
Average cloud cover in September
Sugar City, ID
- Average cloud cover in September: 16
The months with the most cloud cover are January and February (Cloud cover 53).
The months with the least cloud cover are July and August (Cloud cover 11).
Average visibility in September
Sugar City, ID
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (4mi).





