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
A moderate decline in the average high-temperature is seen during September, decreasing from a moderately hot 74.1°F (23.4°C) in August to a comfortable 64.9°F (18.3°C). The String, after hot September days, encounters a marked drop to an average nighttime temperature of 40.1°F (4.5°C).Humidity
In The String, the average relative humidity in September is 54%.Rainfall
In September, in The String, Idaho, the rain falls for 9.5 days. Throughout September, 1.65" (42mm) of precipitation is accumulated. Throughout the year, there are 96.6 rainfall days, and 32.95" (837mm) of precipitation is accumulated.Snowfall
Months with snowfall in The String are January through June, August through December. In September, in The String, it is snowing for 2.5 days. Throughout September, 4.49" (114mm) of snow is accumulated. In The String, Idaho, during the entire year, snow falls for 160.8 days and aggregates up to 200.16" (5084mm) of snow.Daylight
In The String, the average length of the day in September is 12h and 29min.On the first day of September, sunrise is at 6:49 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 7:06 pm MDT.
Sunshine
The average sunshine in September in The String is 9.9h.UV index
In September, the average daily maximum UV index in The String, Idaho, is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: The UV index of 3 in September translates into these instructions:
Undertake protective steps - Preventing sun damage is advised. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Frequently asked questions
What are the temperatures in The String in September?
What is the average humidity in September in The String?
How many days does it rain in September in The String?
How many days does it snow in September in The String?
How many hours of daylight does The String have in September?
What time are sunrise and sunset in September in The String?
How many hours of sunshine does The String have in September?
What is the UV index intensity in September in The String?
Average temperature in September
The String, ID
- Average high temperature in September: 64.9°F
The warmest month (with the highest average high temperature) is July (75.4°F).
The month with the lowest average high temperature is December (23.2°F).
- Average low temperature in September: 40.1°F
The month with the highest average low temperature is July (46.9°F).
The coldest month (with the lowest average low temperature) is December (7.7°F).
Average pressure in September
The String, ID
- Average pressure in September: 29.99"Hg
The month with the highest atmospheric pressure is January (30.27"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
The String, ID
- Average wind speed in September: 5.6mph
The windiest month (with the highest average wind speed) is June (6.2mph).
The calmest months (with the lowest average wind speed) are January and December (4.8mph).
Average humidity in September
The String, ID
- Average humidity in September: 54%
The month with the highest relative humidity is February (94%).
The month with the lowest relative humidity is August (47%).
Average rainfall in September
The String, ID
- Average rainfall in September: 1.65"
The wettest month (with the highest rainfall) is February (4.13").
The driest month (with the least rainfall) is July (0.91").
Average rainfall days in September
The String, ID
- Average rainfall days in September: 9.5 days
The month with the highest number of rainy days is May (15.5 days).
The month with the least rainy days is January (3 days).
Average snowfall in September
The String, ID
- Average snowfall in September: 4.49"
The month with the highest snowfall is February (34.33").
The month with the least snowfall is July (0").
Average snowfall days in September
The String, ID
- Average snowfall days in September: 2.5 days
The month with the highest number of snowfall days is March (23.6 days).
The month with the least snowfall days is July (0.1 days).
Average daylight in September /
Average sunshine in September
The String, 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 5min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 18min).
Average sunshine days in September
The String, ID
- Average sunshine days in September: 16.7 days
The month with the most sunshine days is July (20.3 days).
The month with the least sunshine days is April (6.2 days).
Average UV index in September
The String, ID
- Average UV index in September: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 1).
Average cloud cover in September
The String, ID
- Average cloud cover in September: 20
The month with the most cloud cover is February (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility in September
The String, ID
- Average visibility in September: 6mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March and December (3mi).
The String, Idaho, USA
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