September weather forecast and climate
Moyie Springs, ID

Weather in September

The first month of the autumn, September, is also an enjoyable month in Moyie Springs, Idaho, with average temperature varying between 65.8°F (18.8°C) and 39.9°F (4.4°C).

Temperature

In September, the average high-temperature drops, from a moderately hot 76.3°F (24.6°C) in August, to a comfortable 65.8°F (18.8°C). In Moyie Springs, in September, the average low-temperature is 39.9°F (4.4°C).

Humidity

The average relative humidity in September is 64%.

Rainfall

In September, the rain falls for 9.5 days. Throughout September, 0.87" (22mm) of precipitation is accumulated. In Moyie Springs, during the entire year, the rain falls for 157.1 days and collects up to 21.61" (549mm) of precipitation.

Snowfall

January through April, September through December are months with snowfall in Moyie Springs. September is the first month it typically snows. Throughout September, in the average 0.3 snowfall days, it receives 0.51" (13mm) of snow. In Moyie Springs, during the entire year, snow falls for 70.6 days, and aggregates up to 41.77" (1061mm) of snow.

Daylight

In Moyie Springs, the average length of the day in September is 12.6h.

Sunshine

In Moyie Springs, the average sunshine is 9.7h.

UV index

The average daily maximum UV index in Moyie Springs is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 3 in September interpret into the following advice:
Take precautions - Protection against the skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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 Moyie Springs?

In September, the average relative humidity in Moyie Springs is 64%.

How much does it rain in Moyie Springs in September?

In Moyie Springs, during September, the rain falls for 9.5 days and regularly aggregates up to 0.87" (22mm) of precipitation.

When does it start snowing in Moyie Springs?

September is the first month it typically snows in Moyie Springs. Throughout September, in the average 0.3 snowfall days, it receives 0.51" (13mm) of snow.

What is the average length of the day in September in Moyie Springs?

The average length of the day in September in Moyie Springs, Idaho, is 12.6h.

How many hours of sunshine does Moyie Springs have in September?

The average sunshine in September is 9.7h.

What is the UV index reading in September in Moyie Springs?

In September, the average daily maximum UV index in Moyie Springs is 3. A UV Index of 3 to 5 symbolizes a medium hazard to health from the exposure to the Sun's UV radiation.

Average temperature in September
Moyie Springs, ID

Average temperature in September - Moyie Springs, ID
  • Average high temperature in September: 65.8°F

The warmest month (with the highest average high temperature) is August (76.3°F).
The month with the lowest average high temperature is December (27.3°F).

  • Average low temperature in September: 39.9°F

The month with the highest average low temperature is August (47.7°F).
The coldest months (with the lowest average low temperature) are January and December (16.3°F).

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Average pressure in September
Moyie Springs, ID

Average pressure in September - Moyie Springs, ID
  • Average pressure in September: 29.98"

The month with the highest atmospheric pressure is January (30.19").
The month with the lowest atmospheric pressure is June (29.91").

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Average wind speed in September
Moyie Springs, ID

Average wind speed in September - Moyie Springs, ID
  • Average wind speed in September: 3.7mph

The windiest month (with the highest average wind speed) is June (4.3mph).
The calmest month (with the lowest average wind speed) is December (3.5mph).

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Average humidity in September
Moyie Springs, ID

Average humidity in September - Moyie Springs, ID
  • Average humidity in September: 64%

The month with the highest relative humidity is January (94%).
The month with the lowest relative humidity is August (55%).

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Average rainfall in September
Moyie Springs, ID

Average rainfall in September - Moyie Springs, ID
  • Average rainfall in September: 0.87"

The wettest month (with the highest rainfall) is December (2.76").
The driest month (with the least rainfall) is August (0.43").

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Average rainfall days in September
Moyie Springs, ID

Average rainfall days in September - Moyie Springs, ID
  • Average rainfall days in September: 9.5 days

The month with the highest number of rainy days is April (19.7 days).
The month with the least rainy days is August (6.5 days).

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Average snowfall in September
Moyie Springs, ID

Average snowfall in September - Moyie Springs, ID
  • Average snowfall in September: 0.51"

The month with the highest snowfall is January (11.02").
Months with the least snowfall are May, June, July and August (0").

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Average snowfall days in September
Moyie Springs, ID

Average snowfall days in September - Moyie Springs, ID
  • Average snowfall days in September: 0.3 days

The month with the highest number of snowfall days is December (17.4 days).
Months with the least snowfall days are May, June, July and August (0 days).

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Average daylight in September /
Average sunshine in September
Moyie Springs, ID

Average daylight in September / Average sunshine in September - Moyie Springs, ID
  • Average daylight in September: 12.6h

The month with the longest days is June (Average daylight: 16.1h).
The month with the shortest days is December (Average daylight: 8.4h).

  • Average sunshine in September: 9.7h

The month with the most sunshine is August (Average sunshine: 11.9h).
The month with the least sunshine is January (Average sunshine: 3.8h).

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Average sunshine days in September
Moyie Springs, ID

Average sunshine days in September - Moyie Springs, ID
  • Average sunshine days in September: 18 days

The month with the most sunshine days is August (21.8 days).
The month with the least sunshine days is March (7.7 days).

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Average UV index in September
Moyie Springs, ID

Average UV index in September - Moyie Springs, ID
  • Average UV index in September: 3

The month with the highest UV index is July (UV index 5).
Months with the lowest UV index are January, February, November and December (UV index 1).

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Average cloud cover in September
Moyie Springs, ID

Average cloud cover in September - Moyie Springs, ID
  • Average cloud cover in September: 25

The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 15).

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Average visibility in September
Moyie Springs, ID

Average visibility in September - Moyie Springs, ID
  • Average visibility in September: 6mi

Months with the highest visibility are May, June, July, August and September (6mi).
The month with the lowest visibility is January (2mi).

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