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
As August transitions into September, Kingston sees a drop in the average high-temperature, transitioning from a warm 78.4°F (25.8°C) to a pleasant 68.7°F (20.4°C). September nights indicate a noticeable temperature drop from the daytime highs, with an average reading lowering to a wintry 41.9°F (5.5°C).Humidity
In Kingston, Idaho, the average relative humidity in September is 62%.Rainfall
In Kingston, during September, the rain falls for 9 days and regularly aggregates up to 0.94" (24mm) of precipitation. In Kingston, during the entire year, the rain falls for 140.1 days and collects up to 22.2" (564mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. September is the first month it typically snows. Throughout September, in the average 0.2 snowfall days, it receives 0.43" (11mm) of snow. Throughout the year, in Kingston, there are 57.8 snowfall days, and 45.31" (1151mm) of snow is accumulated.Daylight
In September, the average length of the day is 12h and 33min.On the first day of September, sunrise is at 6:04 am and sunset at 7:24 pm. On the last day of the month, sunrise is at 6:43 am and sunset at 6:25 pm PDT.
Sunshine
The average sunshine in September is 9.5h.UV index
In Kingston, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, the average maximum UV index of 3 translates into the following recommendations:
Undertake precautions - It is suggested to shield oneself from sunburn. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Frequently asked questions
What is the usual temperature for Kingston in September?
What is the average humidity in September in Kingston?
How much does it rain in Kingston in September?
When does it start snowing in Kingston?
How many hours of daylight does Kingston have in September?
When are sunrise and sunset in September in Kingston?
How long on average sun shines in September in Kingston?
What is the UV index intensity in September in Kingston?
Average temperature in September
Kingston, ID
- Average high temperature in September: 68.7°F
The warmest month (with the highest average high temperature) is August (78.4°F).
The month with the lowest average high temperature is December (30.4°F).
- Average low temperature in September: 41.9°F
The month with the highest average low temperature is August (49.8°F).
The coldest month (with the lowest average low temperature) is December (19.8°F).
Average pressure in September
Kingston, ID
- Average pressure in September: 29.97"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The months with the lowest atmospheric pressure are June and August (29.92"Hg).
Average wind speed in September
Kingston, ID
- Average wind speed in September: 4mph
The windiest month (with the highest average wind speed) is April (4.8mph).
The calmest months (with the lowest average wind speed) are September and December (4mph).
Average humidity in September
Kingston, ID
- Average humidity in September: 62%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is August (52%).
Average rainfall in September
Kingston, ID
- Average rainfall in September: 0.94"
The wettest month (with the highest rainfall) is January (2.8").
The driest month (with the least rainfall) is July (0.51").
Average rainfall days in September
Kingston, ID
- Average rainfall days in September: 9 days
The month with the highest number of rainy days is March (17.8 days).
The month with the least rainy days is August (6.3 days).
Average snowfall in September
Kingston, ID
- Average snowfall in September: 0.43"
The month with the highest snowfall is January (12.36").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Kingston, ID
- Average snowfall days in September: 0.2 days
The month with the highest number of snowfall days is December (13.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Kingston, ID
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in September: 9h and 3min
The month with the most sunshine is August (Average sunshine: 11h and 48min).
The months with the least sunshine are January and December (Average sunshine: 3h and 36min).
Average sunshine days in September
Kingston, ID
- Average sunshine days in September: 19.6 days
The month with the most sunshine days is July (22.9 days).
The month with the least sunshine days is March (8.7 days).
Average UV index in September
Kingston, ID
- Average UV index in September: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in September
Kingston, ID
- Average cloud cover in September: 25
The months with the most cloud cover are January, February and December (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility in September
Kingston, ID
- Average visibility in September: 6mi
The months with the highest visibility are May, June, July, August and September (6mi).
The months with the lowest visibility are January, February and December (3mi).
Kingston, Idaho, USA
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