September weather forecastHorseshoe Bend, ID
September
Weather in September
September, the first month of the autumn in Horseshoe Bend, is also a moderately hot month, with an average temperature fluctuating between 50.4°F (10.2°C) and 73.9°F (23.3°C).Temperature
September brings a drop in Horseshoe Bend's average high-temperature, falling from 84.7°F (29.3°C) in August to a still warm 73.9°F (23.3°C). September's nights exhibit a sharp contrast from day highs, with an average temperature of 50.4°F (10.2°C).Humidity
In September, the average relative humidity in Horseshoe Bend, Idaho, is 41%.Rainfall
In Horseshoe Bend, in September, it is raining for 7.4 days, with typically 0.63" (16mm) of accumulated precipitation. In Horseshoe Bend, during the entire year, the rain falls for 103.4 days and collects up to 19.84" (504mm) of precipitation.Snowfall
July through September are months without snowfall.Daylight
The average length of the day in September in Horseshoe Bend is 12h and 29min.On the first day of the month, sunrise is at 7:09 am and sunset at 8:19 pm. On the last day of September, in Horseshoe Bend, sunrise is at 7:42 am and sunset at 7:26 pm MDT.
Sunshine
The average sunshine in September is 9.4h.UV index
The average daily maximum UV index in September in Horseshoe Bend is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum high daily UV index of 4 during September translates into the following directions:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. 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
Horseshoe Bend, ID
- Average high temperature in September: 73.9°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is December (31.3°F).
- Average low temperature in September: 50.4°F
The month with the highest average low temperature is August (56.8°F).
The coldest month (with the lowest average low temperature) is December (19.4°F).
Average pressure in September
Horseshoe Bend, ID
- Average pressure in September: 29.95"Hg
The month with the highest atmospheric pressure is January (30.25"Hg).
The months with the lowest atmospheric pressure are June and August (29.91"Hg).
Average wind speed in September
Horseshoe Bend, ID
- Average wind speed in September: 4.8mph
The windiest month (with the highest average wind speed) is April (6.1mph).
The calmest month (with the lowest average wind speed) is January (4.3mph).
Average humidity in September
Horseshoe Bend, ID
- Average humidity in September: 41%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are July and August (33%).
Average rainfall in September
Horseshoe Bend, ID
- Average rainfall in September: 0.63"
The wettest month (with the highest rainfall) is March (2.83").
The driest month (with the least rainfall) is July (0.31").
Average rainfall days in September
Horseshoe Bend, ID
- Average rainfall days in September: 7.4 days
The month with the highest number of rainy days is May (14.2 days).
The month with the least rainy days is January (4.7 days).
Average snowfall in September
Horseshoe Bend, ID
- Average snowfall in September: 0"
The month with the highest snowfall is January (20.59").
The months with the least snowfall are July, August and September (0").
Average snowfall days in September
Horseshoe Bend, ID
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is January (14.8 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Horseshoe Bend, 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: 9h and 24min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in September
Horseshoe Bend, ID
- Average sunshine days in September: 20.6 days
The month with the most sunshine days is July (22.3 days).
The month with the least sunshine days is March (11.2 days).
Average UV index in September
Horseshoe Bend, ID
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in September
Horseshoe Bend, ID
- Average cloud cover in September: 15
The month with the most cloud cover is December (Cloud cover 45).
The months with the least cloud cover are July and August (Cloud cover 9).
Average visibility in September
Horseshoe Bend, 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, February and December (5mi).
