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 shift to September brings a decrease in the average high-temperature, falling from a moderately hot 79.5°F (26.4°C) in August to an agreeable 69.4°F (20.8°C). Drummond, after hot September days, encounters a marked drop to an average nighttime temperature of 44.1°F (6.7°C).Humidity
In Drummond, the average relative humidity in September is 48%.Rainfall
In Drummond, in September, during 9.1 rainfall days, 1.26" (32mm) of precipitation is typically accumulated. Throughout the year, in Drummond, there are 121 rainfall days, and 20.12" (511mm) of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall in Drummond. September is the first month it typically snows in Drummond, Idaho. Throughout September, in the average 0.5 snowfall days, it receives 0.67" (17mm) of snow. In Drummond, during the entire year, snow falls for 119.7 days and aggregates up to 88.23" (2241mm) of snow.Daylight
The average length of the day in September in Drummond is 12h and 29min.On the first day of September, sunrise is at 6:49 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 7:07 pm MDT.
Sunshine
In September, the average sunshine in Drummond, Idaho, is 10h.UV index
In Drummond, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: In September, the maximum UV index of 3 suggests this advice:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Drummond in September?
What is the average humidity in September in Drummond?
How many days does it rain in September in Drummond?
When does it start to snow in Drummond?
How many hours of daylight does Drummond have in September?
When is the sunrise / sunset in September in Drummond?
How long on average sun shines in September in Drummond?
What is the UV index reading in September in Drummond?
Average temperature in September
Drummond, ID
- Average high temperature in September: 69.4°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is December (25°F).
- Average low temperature in September: 44.1°F
The month with the highest average low temperature is July (50°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in September
Drummond, 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
Drummond, ID
- Average wind speed in September: 6mph
The windiest month (with the highest average wind speed) is June (6.6mph).
The calmest month (with the lowest average wind speed) is January (4.4mph).
Average humidity in September
Drummond, ID
- Average humidity in September: 48%
The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is August (42%).
Average rainfall in September
Drummond, ID
- Average rainfall in September: 1.26"
The wettest month (with the highest rainfall) is January (2.44").
The driest month (with the least rainfall) is July (0.59").
Average rainfall days in September
Drummond, ID
- Average rainfall days in September: 9.1 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (4.5 days).
Average snowfall in September
Drummond, ID
- Average snowfall in September: 0.67"
The month with the highest snowfall is January (20").
The months with the least snowfall are July and August (0").
Average snowfall days in September
Drummond, ID
- Average snowfall days in September: 0.5 days
The month with the highest number of snowfall days is December (21.6 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Drummond, 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: 10h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in September
Drummond, ID
- Average sunshine days in September: 18 days
The month with the most sunshine days is July (19.9 days).
The month with the least sunshine days is April (6.7 days).
Average UV index in September
Drummond, 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
Drummond, ID
- Average cloud cover in September: 17
The month with the most cloud cover is February (Cloud cover 61).
The months with the least cloud cover are July and August (Cloud cover 12).
Average visibility in September
Drummond, ID
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The month with the lowest visibility is January (3mi).
Drummond, Idaho, USA
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