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 transition into September in Middleton, Idaho, is accompanied by a temperature decrease, with the average high-temperature shifting from a hot 89.6°F (32°C) in August to a warm 78.3°F (25.7°C). Middleton experiences a significant contrast between daily highs and an average nighttime temperature of 55°F (12.8°C) during September.Humidity
The average relative humidity in September is 36%.Rainfall
In Middleton, during September, the rain falls for 5.3 days and regularly aggregates up to 0.28" (7mm) of precipitation. Throughout the year, there are 94.4 rainfall days, and 9.65" (245mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall in Middleton.Daylight
In September, the average length of the day is 12h and 29min.On the first day of the month, sunrise is at 7:11 am and sunset at 8:21 pm. On the last day of September, in Middleton, sunrise is at 7:43 am and sunset at 7:28 pm MDT.
Sunshine
The average sunshine in September is 9.6h.UV index
In Middleton, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 5 during September translates into the following directions:
Put precautions into practice - Guidance to elude sunburn is provided. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Frequently asked questions
What is the average September temperature in Middleton?
What is the average humidity in September in Middleton?
How many days does it rain in September in Middleton?
When it does not snow in Middleton?
How many hours of daylight does Middleton have in September?
When is the sunrise / sunset in September in Middleton?
How many hours of sunshine does Middleton have in September?
How high is the UV index in September in Middleton?
Average temperature in September
Middleton, ID
- Average high temperature in September: 78.3°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is December (35.8°F).
- Average low temperature in September: 55°F
The month with the highest average low temperature is August (62.2°F).
The coldest month (with the lowest average low temperature) is December (24.3°F).
Average pressure in September
Middleton, 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
Middleton, ID
- Average wind speed in September: 5.1mph
The windiest month (with the highest average wind speed) is April (6.9mph).
The calmest month (with the lowest average wind speed) is January (4.7mph).
Average humidity in September
Middleton, ID
- Average humidity in September: 36%
The month with the highest relative humidity is January (80%).
The months with the lowest relative humidity are July and August (30%).
Average rainfall in September
Middleton, ID
- Average rainfall in September: 0.28"
The wettest month (with the highest rainfall) is March (1.57").
The driest month (with the least rainfall) is July (0.08").
Average rainfall days in September
Middleton, ID
- Average rainfall days in September: 5.3 days
The month with the highest number of rainy days is March (15 days).
The month with the least rainy days is July (2.5 days).
Average snowfall in September
Middleton, ID
- Average snowfall in September: 0"
The month with the highest snowfall is December (3.7").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Middleton, ID
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (6.9 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
Middleton, 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 4min
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 36min).
Average sunshine days in September
Middleton, ID
- Average sunshine days in September: 23.5 days
The month with the most sunshine days is July (26.5 days).
The month with the least sunshine days is March (14.6 days).
Average UV index in September
Middleton, ID
- Average UV index in September: 5
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
Middleton, ID
- Average cloud cover in September: 13
The month with the most cloud cover is December (Cloud cover 40).
The month with the least cloud cover is July (Cloud cover 7).
Average visibility in September
Middleton, ID
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Middleton, Idaho, USA
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