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
Onset of September comes with a temperature decline, the average high falling from a tropical 89.2°F (31.8°C) in August to a moderately hot 78.1°F (25.6°C). Emmett registers a prominent dip from daytime highs, with an average of 53.4°F (11.9°C) during the nights of September.Humidity
In Emmett, the average relative humidity in September is 38%.Rainfall
In September, the rain falls for 5 days. Throughout September, 0.31" (8mm) of precipitation is accumulated. Throughout the year, in Emmett, there are 91.7 rainfall days, and 10.28" (261mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall in Emmett, Idaho.Daylight
In Emmett, the average length of the day in September is 12h and 29min.On the first day of September in Emmett, sunrise is at 7:10 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 7:43 am and sunset at 7:27 pm MDT.
Sunshine
The average sunshine in September in Emmett is 9.5h.UV index
In Emmett, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The daily high UV index of 4 in September translates into this advice:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Frequently asked questions
What is the average September temperature in Emmett?
What is the average humidity in September in Emmett?
How many days does it rain in September in Emmett?
When it does not snow in Emmett?
How many hours of daylight does Emmett have in September?
When are sunrise and sunset in September in Emmett?
How many hours of sunshine does Emmett have in September?
What is the UV index intensity in September in Emmett?
Average temperature in September
Emmett, ID
- Average high temperature in September: 78.1°F
The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is December (34.9°F).
- Average low temperature in September: 53.4°F
The month with the highest average low temperature is August (60.3°F).
The coldest month (with the lowest average low temperature) is December (22.8°F).
Average pressure in September
Emmett, ID
- Average pressure in September: 29.95"Hg
The month with the highest atmospheric pressure is January (30.24"Hg).
The months with the lowest atmospheric pressure are June and August (29.91"Hg).
Average wind speed in September
Emmett, ID
- Average wind speed in September: 4.9mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is January (4.2mph).
Average humidity in September
Emmett, ID
- Average humidity in September: 38%
The month with the highest relative humidity is January (82%).
The months with the lowest relative humidity are July and August (31%).
Average rainfall in September
Emmett, ID
- Average rainfall in September: 0.31"
The wettest month (with the highest rainfall) is March (1.54").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in September
Emmett, ID
- Average rainfall days in September: 5 days
The month with the highest number of rainy days is March (13.7 days).
The month with the least rainy days is July (3.2 days).
Average snowfall in September
Emmett, ID
- Average snowfall in September: 0"
The month with the highest snowfall is December (4.33").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Emmett, ID
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (7.5 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
Emmett, 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 3min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in September
Emmett, ID
- Average sunshine days in September: 23.7 days
The month with the most sunshine days is July (25.3 days).
The month with the least sunshine days is March (15.3 days).
Average UV index in September
Emmett, ID
- Average UV index in September: 4
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
Emmett, ID
- Average cloud cover in September: 14
The month with the most cloud cover is December (Cloud cover 43).
The month with the least cloud cover is July (Cloud cover 8).
Average visibility in September
Emmett, ID
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (5mi).
Emmett, Idaho, USA
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