September weather forecast
Condon, MT

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Weather in September

The first month of the autumn, September, is still a pleasant month in Condon, Montana, with an average temperature ranging between min 41.9°F (5.5°C) and max 68.2°F (20.1°C).

Temperature

The shift from August to September involves a decrease in the average high-temperature, dropping from a moderately hot 79.3°F (26.3°C) to an agreeable 68.2°F (20.1°C). Condon anticipates a considerable daily temperature fluctuation in September, with low temperatures averaging a cold 41.9°F (5.5°C).

Humidity

In Condon, Montana, the average relative humidity in September is 58%.

Rainfall

In September, the rain falls for 10.3 days. Throughout September, 0.98" (25mm) of precipitation is accumulated. Throughout the year, in Condon, there are 158.1 rainfall days, and 18.94" (481mm) of precipitation is accumulated.

Snowfall

January through May, September through December are months with snowfall. September is the first month it typically snows in Condon. Throughout September, in the average 0.3 snowfall days, it receives 0.39" (10mm) of snow. Throughout the year, there are 91.8 snowfall days, and 46.3" (1176mm) of snow is accumulated.

Daylight

The average length of the day in September is 12h and 33min.
On the first day of September in Condon, sunrise is at 6:54 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 7:15 pm MDT.

Sunshine

In September, the average sunshine in Condon is 9.3h.

UV index

The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In September, an average UV index of 3 transforms into the following instructions:
Act with care - Obligation to protect against skin and eye damage is highlighted. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

What are the temperatures in Condon in September?

In Condon, in September, the average high-temperature is 68.2°F (20.1°C), and the average low-temperature is 41.9°F (5.5°C).

What is the average humidity in September in Condon?

In Condon, the average relative humidity in September is 58%.

How much does it rain in Condon in September?

In Condon, in September, during 10.3 rainfall days, 0.98" (25mm) of precipitation is typically accumulated.

When does it start to snow in Condon?

September is the first month it typically snows in Condon. Throughout September, in the average 0.3 snowfall days, it receives 0.39" (10mm) of snow.

How many hours of daylight does Condon have in September?

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

When is the sunrise / sunset in September in Condon?

On the first day of September in Condon, Montana, sunrise is at 6:54 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 7:15 pm MDT.

How many hours of sunshine does Condon have in September?

In Condon, Montana, the average sunshine duration in September is 9.3h.

What is the UV index reading in September in Condon?

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

Average temperature in September
Condon, MT

Average temperature in September - Condon, MT
  • Average high temperature in September: 68.2°F

The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is December (28.6°F).

  • Average low temperature in September: 41.9°F

The month with the highest average low temperature is August (48.6°F).
The coldest month (with the lowest average low temperature) is December (16.7°F).

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Average pressure in September
Condon, MT

Average pressure in September - Condon, MT
  • Average pressure in September: 29.98"Hg

The month with the highest atmospheric pressure is January (30.18"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in September
Condon, MT

Average wind speed in September - Condon, MT
  • Average wind speed in September: 4mph

The windiest month (with the highest average wind speed) is April (4.8mph).
The calmest month (with the lowest average wind speed) is December (3.9mph).

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Average humidity in September
Condon, MT

Average humidity in September - Condon, MT
  • Average humidity in September: 58%

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (50%).

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Average rainfall in September
Condon, MT

Average rainfall in September - Condon, MT
  • Average rainfall in September: 0.98"

The wettest month (with the highest rainfall) is June (2.44").
The driest month (with the least rainfall) is August (0.55").

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Average rainfall days in September
Condon, MT

Average rainfall days in September - Condon, MT
  • Average rainfall days in September: 10.3 days

The month with the highest number of rainy days is April (19.3 days).
The month with the least rainy days is August (6.6 days).

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Average snowfall in September
Condon, MT

Average snowfall in September - Condon, MT
  • Average snowfall in September: 0.39"

The month with the highest snowfall is February (10.39").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in September
Condon, MT

Average snowfall days in September - Condon, MT
  • Average snowfall days in September: 0.3 days

The month with the highest number of snowfall days is February (18.8 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
Condon, MT

Average daylight in September / Average sunshine in September - Condon, MT
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).

  • Average sunshine in September: 9h and 2min

The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).

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Average sunshine days in September
Condon, MT

Average sunshine days in September - Condon, MT
  • Average sunshine days in September: 17.9 days

The month with the most sunshine days is August (21.8 days).
The month with the least sunshine days is February (7.2 days).

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Average UV index in September
Condon, MT

Average UV index in September - Condon, MT
  • 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 February and December (UV index 1).

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Average cloud cover in September
Condon, MT

Average cloud cover in September - Condon, MT
  • Average cloud cover in September: 23

The months with the most cloud cover are January and February (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 14).

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Average visibility in September
Condon, MT

Average visibility in September - Condon, MT
  • Average visibility in September: 6mi

The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).

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Condon, Montana, USA

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