September weather forecast
Kellogg, ID

Weather in September

September, the first month of the autumn in Kellogg, is also an enjoyable month, with temperature in the range of an average high of 67.8°F (19.9°C) and an average low of 41.7°F (5.4°C).

Temperature

In Kellogg, the average high-temperature in September drops from a warm 78.1°F (25.6°C) in August to a comfortable 67.8°F (19.9°C). In September, in Kellogg, the average low-temperature is 41.7°F (5.4°C).

Humidity

In Kellogg, the average relative humidity in September is 62%.

Rainfall

In September, in Kellogg, the rain falls for 9.1 days. Throughout September, 0.87" (22mm) of precipitation is accumulated. In Kellogg, during the entire year, the rain falls for 144.3 days and collects up to 27.6" (701mm) of precipitation.

Snowfall

Months with snowfall are January through May, September through December. September is the first month it typically snows. Throughout September, in the average 0.2 snowfall days, it receives 0.28" (7mm) of snow. In Kellogg, during the entire year, snow falls for 81.2 days and aggregates up to 73.58" (1869mm) of snow.

Daylight

The average length of the day in September in Kellogg, Idaho, is 12h and 33min.
On the first day of the month, sunrise is at 6:03 am and sunset at 7:25 pm. On the last day of September, in Kellogg, sunrise is at 6:42 am and sunset at 6:26 pm PDT.

Sunshine

In Kellogg, the average sunshine in September is 9.5h.

UV index

In September, the average daily maximum UV index in Kellogg is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: The daily maximum UV index of 3 in September interpret into the following advice:
Take precautions - Protection against skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the average humidity in September in Kellogg?

In Kellogg, Idaho, the average relative humidity in September is 62%.

How much does it rain in Kellogg in September?

In Kellogg, Idaho, during September, the rain falls for 9.1 days and regularly aggregates up to 0.87" (22mm) of precipitation.

When does it start snowing in Kellogg?

September is the first month it typically snows. Throughout September, in the average 0.2 snowfall days, it receives 0.28" (7mm) of snow.

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

In Kellogg, Idaho, the average day length in September is 12h and 33min.

When is the sunrise / sunset in September in Kellogg?

In September, on the first day of the month, sunrise is at 6:03 am and sunset at 7:25 pm. On the last day of the month, in Kellogg, Idaho, sunrise is at 6:42 am and sunset at 6:26 pm PDT.

How many hours of sunshine does Kellogg have in September?

The average sunshine duration in September is 9.5h.

What is the UV index intensity in September in Kellogg?

In Kellogg, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Kellogg, ID

Average temperature in September - Kellogg, ID
  • Average high temperature in September: 67.8°F

The warmest months (with the highest average high temperature) are July and August (78.1°F).
The month with the lowest average high temperature is December (30°F).

  • Average low temperature in September: 41.7°F

The month with the highest average low temperature is August (48.4°F).
The coldest month (with the lowest average low temperature) is December (19.6°F).

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Average pressure in September
Kellogg, ID

Average pressure in September - Kellogg, ID
  • Average pressure in September: 29.97"Hg

The month with the highest atmospheric pressure is January (30.19"Hg).
The months with the lowest atmospheric pressure are June, July and August (29.93"Hg).

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Average wind speed in September
Kellogg, ID

Average wind speed in September - Kellogg, ID
  • Average wind speed in September: 4.1mph

The windiest month (with the highest average wind speed) is April (4.8mph).
The calmest month (with the lowest average wind speed) is December (4mph).

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Average humidity in September
Kellogg, ID

Average humidity in September - Kellogg, ID
  • Average humidity in September: 62%

The month with the highest relative humidity is January (92%).
The months with the lowest relative humidity are July and August (53%).

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Average rainfall in September
Kellogg, ID

Average rainfall in September - Kellogg, ID
  • Average rainfall in September: 0.87"

The wettest month (with the highest rainfall) is January (4.21").
The driest months (with the least rainfall) are July and August (0.43").

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Average rainfall days in September
Kellogg, ID

Average rainfall days in September - Kellogg, ID
  • Average rainfall days in September: 9.1 days

The month with the highest number of rainy days is April (18 days).
The month with the least rainy days is August (5.3 days).

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Average snowfall in September
Kellogg, ID

Average snowfall in September - Kellogg, ID
  • Average snowfall in September: 0.28"

The month with the highest snowfall is January (20.83").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in September
Kellogg, ID

Average snowfall days in September - Kellogg, ID
  • Average snowfall days in September: 0.2 days

The month with the highest number of snowfall days is December (17.8 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
Kellogg, ID

Average daylight in September / Average sunshine in September - Kellogg, ID
  • Average daylight in September: 12h and 33min

The month with the longest days is June (Average daylight: 15h and 55min).
The month with the shortest days is December (Average daylight: 8h and 31min).

  • Average sunshine in September: 9h and 30min

The month with the most sunshine is August (Average sunshine: 11h and 48min).
The months with the least sunshine are January and December (Average sunshine: 3h and 30min).

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Average sunshine days in September
Kellogg, ID

Average sunshine days in September - Kellogg, ID
  • Average sunshine days in September: 20.2 days

The months with the most sunshine days are July and August (24.2 days).
The month with the least sunshine days is March (7 days).

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Average UV index in September
Kellogg, ID

Average UV index in September - Kellogg, ID
  • Average UV index in September: 3

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).

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Average cloud cover in September
Kellogg, ID

Average cloud cover in September - Kellogg, ID
  • Average cloud cover in September: 25

The months with the most cloud cover are January and December (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 14).

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Average visibility in September
Kellogg, ID

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

The months with the highest visibility are June, July, August and September (6mi).
The month with the lowest visibility is January (3mi).

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