Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The decrease of average high-temperatures is mild in September in Kuna, with a decline from a hot 89.4°F (31.9°C) in August to a moderately hot 78.3°F (25.7°C). Kuna, in September, displays a significant temperature downturn during the night, with an average reading of 55.9°F (13.3°C).Humidity
In September, the average relative humidity is 35%.Rainfall
In September, the rain falls for 5.3 days. Throughout September, 0.28" (7mm) of precipitation is accumulated. In Kuna, during the entire year, the rain falls for 97.2 days and collects up to 9.96" (253mm) of precipitation.Snowfall
In Kuna, snow does not fall in May through October.Daylight
The average length of the day in September is 12h and 29min.On the first day of the month, sunrise is at 7:10 am and sunset at 8:20 pm. On the last day of September, sunrise is at 7:42 am and sunset at 7:27 pm MDT.
Sunshine
In September, the average sunshine in Kuna, Idaho, is 9.4h.UV index
The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: In September, a daily maximum UV index of 5 leads to the following instructions:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Kuna in September?
What is the average humidity in September in Kuna?
How much does it rain in Kuna in September?
When it does not snow in Kuna?
How many hours of daylight does Kuna have in September?
What time are sunrise and sunset in September in Kuna?
How many hours of sunshine does Kuna have in September?
How high is the UV index in September in Kuna?
Average temperature in September
Kuna, ID
- Average high temperature in September: 78.3°F
The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is December (36.1°F).
- Average low temperature in September: 55.9°F
The month with the highest average low temperature is August (63.7°F).
The coldest month (with the lowest average low temperature) is December (25.5°F).
Average pressure in September
Kuna, ID
- Average pressure in September: 29.94"Hg
The month with the highest atmospheric pressure is January (30.25"Hg).
The months with the lowest atmospheric pressure are June and August (29.9"Hg).
Average wind speed in September
Kuna, ID
- Average wind speed in September: 6.1mph
The windiest month (with the highest average wind speed) is April (8mph).
The calmest months (with the lowest average wind speed) are January and August (6mph).
Average humidity in September
Kuna, ID
- Average humidity in September: 35%
The month with the highest relative humidity is January (78%).
The months with the lowest relative humidity are July and August (29%).
Average rainfall in September
Kuna, ID
- Average rainfall in September: 0.28"
The wettest month (with the highest rainfall) is December (1.46").
The driest months (with the least rainfall) are July and August (0.16").
Average rainfall days in September
Kuna, ID
- Average rainfall days in September: 5.3 days
The month with the highest number of rainy days is March (14.8 days).
The months with the least rainy days are July and August (3.5 days).
Average snowfall in September
Kuna, ID
- Average snowfall in September: 0"
The month with the highest snowfall is December (3.86").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Kuna, ID
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (7.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Kuna, ID
- Average daylight in September: 12h and 3min
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 2min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in September
Kuna, ID
- Average sunshine days in September: 23.3 days
The month with the most sunshine days is July (24.5 days).
The month with the least sunshine days is March (14.2 days).
Average UV index in September
Kuna, ID
- Average UV index in September: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Kuna, ID
- Average cloud cover in September: 14
The month with the most cloud cover is December (Cloud cover 40).
The months with the least cloud cover are July and August (Cloud cover 9).
Average visibility in September
Kuna, ID
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Kuna, Idaho, USA
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