September weather forecast
Acequia, ID

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Acequia, Idaho, with an average temperature ranging between min 53.8°F (12.1°C) and max 76.1°F (24.5°C).

Temperature

The transition into September indicates a reduction in the average high-temperature, down to a warm 76.1°F (24.5°C) from August's hot 86.9°F (30.5°C). Despite the hot September days, Acequia's nights see an average temperature plunge to a cool 53.8°F (12.1°C).

Humidity

In September, the average relative humidity is 35%.

Rainfall

In Acequia, during September, the rain falls for 6.3 days and regularly aggregates up to 0.43" (11mm) of precipitation. In Acequia, during the entire year, the rain falls for 105.2 days and collects up to 10.63" (270mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall. September is the first month it typically snows in Acequia. Throughout September, in the average 0.1 snowfall days, it receives 0.16" (4mm) of snow. In Acequia, Idaho, during the entire year, snow falls for 50.9 days and aggregates up to 24.57" (624mm) of snow.

Daylight

The average length of the day in September in Acequia is 12h and 28min.
On the first day of September, sunrise is at 7:00 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 7:16 pm MDT.

Sunshine

The average sunshine in September in Acequia is 9.6h.

UV index

In Acequia, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The daily high UV index of 4 during September translates into the following recommendations:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
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Frequently asked questions

What is the usual temperature for Acequia in September?

September temperatures vary between a high-temperature of 76.1°F (24.5°C) and a low-temperature of 53.8°F (12.1°C).

What is the average humidity in September in Acequia?

In September, the average relative humidity in Acequia is 35%.

How much does it rain in Acequia in September?

In Acequia, Idaho, during September, the rain falls for 6.3 days and regularly aggregates up to 0.43" (11mm) of precipitation.

When does it start to snow in Acequia?

September is the first month it typically snows in Acequia. Throughout September, in the average 0.1 snowfall days, it receives 0.16" (4mm) of snow.

What is the average length of the day in September in Acequia?

The average day length in September in Acequia is 12h and 28min.

When is the sunrise / sunset in September in Acequia?

In September, on the first day of the month, sunrise is at 7:00 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 7:16 pm MDT.

How many hours of sunshine does Acequia have in September?

The average sunshine duration in September is 9.6h.

How high is the UV index in September in Acequia?

The average daily maximum UV index in September in Acequia, Idaho, is 4. A UV Index estimate of 3 to 5 represents a medium health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Acequia, ID

Average temperature in September - Acequia, ID
  • Average high temperature in September: 76.1°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 (32.5°F).

  • Average low temperature in September: 53.8°F

The months with the highest average low temperature are July and August (60.8°F).
The coldest month (with the lowest average low temperature) is December (21.6°F).

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Average pressure in September
Acequia, ID

Average pressure in September - Acequia, ID
  • Average pressure in September: 29.93"Hg

The month with the highest atmospheric pressure is January (30.29"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

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Average wind speed in September
Acequia, ID

Average wind speed in September - Acequia, ID
  • Average wind speed in September: 7.5mph

The windiest month (with the highest average wind speed) is April (9.8mph).
The calmest month (with the lowest average wind speed) is January (7.1mph).

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Average humidity in September
Acequia, ID

Average humidity in September - Acequia, ID
  • Average humidity in September: 35%

The month with the highest relative humidity is January (80%).
The months with the lowest relative humidity are July and August (30%).

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Average rainfall in September
Acequia, ID

Average rainfall in September - Acequia, ID
  • Average rainfall in September: 0.43"

The wettest month (with the highest rainfall) is March (1.46").
The driest month (with the least rainfall) is July (0.28").

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Average rainfall days in September
Acequia, ID

Average rainfall days in September - Acequia, ID
  • Average rainfall days in September: 6.3 days

The months with the highest number of rainy days are March and April (14 days).
The months with the least rainy days are July and August (5.2 days).

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Average snowfall in September
Acequia, ID

Average snowfall in September - Acequia, ID
  • Average snowfall in September: 0.16"

The month with the highest snowfall is December (6.54").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in September
Acequia, ID

Average snowfall days in September - Acequia, ID
  • Average snowfall days in September: 0.1 days

The month with the highest number of snowfall days is December (13 days).
The months with the least snowfall days are June, July and August (0 days).

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Average daylight in September /
Average sunshine in September
Acequia, ID

Average daylight in September / Average sunshine in September - Acequia, ID
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in September: 9h and 4min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 42min).

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Average sunshine days in September
Acequia, ID

Average sunshine days in September - Acequia, ID
  • Average sunshine days in September: 21.6 days

The month with the most sunshine days is July (22.6 days).
The month with the least sunshine days is March (12 days).

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Average UV index in September
Acequia, ID

Average UV index in September - Acequia, ID
  • Average UV index in September: 4

The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in September
Acequia, ID

Average cloud cover in September - Acequia, ID
  • Average cloud cover in September: 14

The month with the most cloud cover is December (Cloud cover 40).
The months with the least cloud cover are July and August (Cloud cover 11).

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Average visibility in September
Acequia, ID

Average visibility in September - Acequia, ID
  • Average visibility in September: 6mi

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).

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Acequia, Idaho, USA

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