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
Midvale in September experiences a subtle temperature decline, with average high-temperatures reducing from a tropical 87.6°F (30.9°C) in August to a warm 77.2°F (25.1°C). A pronounced dip becomes evident during the nights in September as Midvale logs a consistent average temperature of 53.8°F (12.1°C).Humidity
In September, the average relative humidity is 39%.Rainfall
In Midvale, in September, it is raining for 5.7 days, with typically 0.51" (13mm) of accumulated precipitation. Throughout the year, in Midvale, Idaho, there are 115.6 rainfall days, and 13.66" (347mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
In Midvale, the average length of the day in September is 12h and 30min.On the first day of September, sunrise is at 7:10 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 7:44 am and sunset at 7:28 pm MDT.
Sunshine
The average sunshine in September in Midvale is 9.5h.UV index
In Midvale, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: In September, the UV index of 4 transforms into the following advice:
Heed the precautions - Suggestions to avoid sunburn are made. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Frequently asked questions
What are September temperatures in Midvale?
What is the average humidity in September in Midvale?
How many days does it rain in September in Midvale?
When it does not snow in Midvale?
How many hours of daylight does Midvale have in September?
When are sunrise and sunset in September in Midvale?
How long on average sun shines in September in Midvale?
How high is the UV index in September in Midvale?
Average temperature in September
Midvale, ID
- Average high temperature in September: 77.2°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is December (32.9°F).
- Average low temperature in September: 53.8°F
The month with the highest average low temperature is August (60.6°F).
The coldest months (with the lowest average low temperature) are January and December (21.2°F).
Average pressure in September
Midvale, ID
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.24"Hg).
The months with the lowest atmospheric pressure are June and August (29.92"Hg).
Average wind speed in September
Midvale, ID
- Average wind speed in September: 5mph
The windiest month (with the highest average wind speed) is April (6mph).
The calmest month (with the lowest average wind speed) is January (3.3mph).
Average humidity in September
Midvale, ID
- Average humidity in September: 39%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (32%).
Average rainfall in September
Midvale, ID
- Average rainfall in September: 0.51"
The wettest month (with the highest rainfall) is March (2.05").
The driest month (with the least rainfall) is July (0.28").
Average rainfall days in September
Midvale, ID
- Average rainfall days in September: 5.7 days
The month with the highest number of rainy days is March (16.9 days).
The month with the least rainy days is August (4.5 days).
Average snowfall in September
Midvale, ID
- Average snowfall in September: 0"
The month with the highest snowfall is December (7.4").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Midvale, ID
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (9.5 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
Midvale, 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 3min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in September
Midvale, ID
- Average sunshine days in September: 22.1 days
The month with the most sunshine days is July (23 days).
The month with the least sunshine days is March (12 days).
Average UV index in September
Midvale, 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
Midvale, ID
- Average cloud cover in September: 15
The month with the most cloud cover is January (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 8).
Average visibility in September
Midvale, ID
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
Midvale, Idaho, USA
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