September weather forecast
Chubbuck, ID

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Weather in September

September marks the transition from summer heat to autumn chill in Chubbuck. In comparison to August, the temperatures start to slide, especially towards the evening and night. The pleasant temperature and abundant sunshine make sightseeing and outdoor activities attractive. September brings with it the nascent hints of fall as leaves start to change color. Though the days get shorter, with daytime temperature highs reaching 74.3°F (23.5°C) and lows dropping to 51.1°F (10.6°C), they remain agreeable.

Temperature

During Chubbuck's transition into September, the average high-temperature lessens, moving from 85.3°F (29.6°C) in August to a still moderately hot 74.3°F (23.5°C). Chubbuck logs a substantial downturn to a fresh 51.1°F (10.6°C) during September nights, a considerable shift from daytime highs.

Humidity

In Chubbuck, the average relative humidity in September is 38%.

Rainfall

In Chubbuck, in September, it is raining for 7.5 days, with typically 0.63" (16mm) of accumulated precipitation. Throughout the year, there are 116.1 rainfall days, and 11.26" (286mm) of precipitation is accumulated.

Snowfall

January through May, September through December are months with snowfall in Chubbuck. September is the first month it typically snows in Chubbuck. Throughout September, in the average 0.1 snowfall days, it receives 0.35" (9mm) of snow. In Chubbuck, during the entire year, snow falls for 70.2 days and aggregates up to 31.61" (803mm) of snow.

Daylight

The average length of the day in September in Chubbuck is 12h and 29min.
On the first day of the month, sunrise is at 6:55 am and sunset at 8:03 pm. On the last day of September, sunrise is at 7:26 am and sunset at 7:12 pm MDT.

Sunshine

The average sunshine in September is 9.9h.

UV index

In Chubbuck, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: A daily high UV index of 4 in September leads to these guidelines:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
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Frequently asked questions

What is the average September temperature in Chubbuck?

In Chubbuck, 74.3°F (23.5°C) is the average high-temperature and 51.1°F (10.6°C) is the average low-temperature during September.

What is the average humidity in September in Chubbuck?

The average relative humidity in September is 38%.

How many days does it rain in September in Chubbuck?

In September, in Chubbuck, the rain falls for 7.5 days. Throughout September, 0.63" (16mm) of precipitation is accumulated.

When does it start to snow in Chubbuck?

September is the first month it typically snows in Chubbuck, Idaho. Throughout September, in the average 0.1 snowfall days, it receives 0.35" (9mm) of snow.

How many hours of daylight does Chubbuck have in September?

In September, the average day length is 12h and 29min.

When is the sunrise / sunset in September in Chubbuck?

In September, on the first day of the month, sunrise is at 6:55 am and sunset at 8:03 pm. On the last day of the month, in Chubbuck, sunrise is at 7:26 am and sunset at 7:12 pm MDT.

How many hours of sunshine does Chubbuck have in September?

In Chubbuck, Idaho, the average sunshine duration in September is 9.9h.

What is the UV index reading in September in Chubbuck?

In Chubbuck, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health risk from unprotected exposure to UV radiation.
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
Chubbuck, ID

Average temperature in September - Chubbuck, ID
  • Average high temperature in September: 74.3°F

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is December (29.7°F).

  • Average low temperature in September: 51.1°F

The month with the highest average low temperature is August (57.4°F).
The coldest months (with the lowest average low temperature) are January and December (17.8°F).

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Average pressure in September
Chubbuck, ID

Average pressure in September - Chubbuck, ID
  • Average pressure in September: 29.96"Hg

The month with the highest atmospheric pressure is January (30.3"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

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Average wind speed in September
Chubbuck, ID

Average wind speed in September - Chubbuck, ID
  • Average wind speed in September: 7.6mph

The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest month (with the lowest average wind speed) is January (6.9mph).

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Average humidity in September
Chubbuck, ID

Average humidity in September - Chubbuck, ID
  • Average humidity in September: 38%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (33%).

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Average rainfall in September
Chubbuck, ID

Average rainfall in September - Chubbuck, ID
  • Average rainfall in September: 0.63"

The wettest month (with the highest rainfall) is March (1.46").
The driest month (with the least rainfall) is July (0.39").

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Average rainfall days in September
Chubbuck, ID

Average rainfall days in September - Chubbuck, ID
  • Average rainfall days in September: 7.5 days

The month with the highest number of rainy days is March (15.1 days).
The month with the least rainy days is July (6.3 days).

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Average snowfall in September
Chubbuck, ID

Average snowfall in September - Chubbuck, ID
  • Average snowfall in September: 0.35"

The month with the highest snowfall is January (8.27").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in September
Chubbuck, ID

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

The month with the highest number of snowfall days is February (15.9 days).
The months with the least snowfall days are July and August (0 days).

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

Average daylight in September / Average sunshine in September - Chubbuck, 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 5min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).

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Average sunshine days in September
Chubbuck, ID

Average sunshine days in September - Chubbuck, ID
  • Average sunshine days in September: 19.6 days

The month with the most sunshine days is October (20.1 days).
The month with the least sunshine days is February (9.6 days).

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Average UV index in September
Chubbuck, ID

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

The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in September
Chubbuck, ID

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

The month with the most cloud cover is February (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 11).

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Average visibility in September
Chubbuck, ID

Average visibility in September - Chubbuck, 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 months with the lowest visibility are January, February and December (5mi).

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Chubbuck, Idaho, USA

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