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
With the beginning of September, the average high-temperature shows a decrease, transitioning from a moderately hot 75.4°F (24.1°C) in August to an enjoyable 65.8°F (18.8°C). Leadore's September nights see a large temperature deviation, with temperatures resting at a low of 42.1°F (5.6°C).Humidity
In Leadore, the average relative humidity in September is 48%.Rainfall
In September, the rain falls for 7.8 days. Throughout September, 0.75" (19mm) of precipitation is accumulated. In Leadore, during the entire year, the rain falls for 103.2 days and collects up to 9.84" (250mm) of precipitation.Snowfall
Months with snowfall are January through June, September through December. September is the first month it typically snows in Leadore. Throughout September, in the average 0.9 snowfall days, it receives 1.22" (31mm) of snow. In Leadore, during the entire year, snow falls for 81.9 days and aggregates up to 31.65" (804mm) of snow.Daylight
In September, the average length of the day is 12h and 30min.On the first day of the month, sunrise is at 6:56 am and sunset at 8:09 pm. On the last day of September, sunrise is at 7:31 am and sunset at 7:15 pm MDT.
Sunshine
The average sunshine in September in Leadore is 9.7h.UV index
In September, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: A daily high UV index of 3 in September leads to these guidelines:
Ensure safety - Recommendations to avert sunburn are presented. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Enhance your sun protection with tightly woven, yet airy clothing. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Leadore?
What is the average humidity in September?
How many days does it rain in September?
When does it start snowing?
How many hours of daylight does Leadore have in September?
What time are sunrise and sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Leadore, ID
- Average high temperature in September: 65.8°F
The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is December (24.3°F).
- Average low temperature in September: 42.1°F
The month with the highest average low temperature is July (47.1°F).
The coldest month (with the lowest average low temperature) is December (9.9°F).
Average pressure in September
Leadore, ID
- Average pressure in September: 29.99"Hg
The month with the highest atmospheric pressure is January (30.25"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Leadore, ID
- Average wind speed in September: 5.8mph
The windiest months (with the highest average wind speed) are November and December (7.3mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in September
Leadore, ID
- Average humidity in September: 48%
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are July and August (43%).
Average rainfall in September
Leadore, ID
- Average rainfall in September: 0.75"
The wettest month (with the highest rainfall) is June (1.73").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in September
Leadore, ID
- Average rainfall days in September: 7.8 days
The month with the highest number of rainy days is May (13.7 days).
The month with the least rainy days is January (4.6 days).
Average snowfall in September
Leadore, ID
- Average snowfall in September: 1.22"
The month with the highest snowfall is April (4.96").
The months with the least snowfall are July and August (0").
Average snowfall days in September
Leadore, ID
- Average snowfall days in September: 0.9 days
The month with the highest number of snowfall days is February (13.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Leadore, ID
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 9h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 54min).
Average sunshine days in September
Leadore, ID
- Average sunshine days in September: 18.4 days
The month with the most sunshine days is July (20.7 days).
The month with the least sunshine days is April (10.7 days).
Average UV index in September
Leadore, ID
- Average UV index in September: 3
The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in September
Leadore, ID
- Average cloud cover in September: 19
The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 13).
Average visibility in September
Leadore, ID
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is February (4mi).
Leadore, Idaho, USA
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