September weather forecast and climate
Wyola, MT

Weather in September

The first month of the autumn, September, is still a warm month in Wyola, Montana, with average temperature ranging between max 74.3°F (23.5°C) and min 54°F (12.2°C).

Temperature

In September, the average high-temperature drops, from a moderately hot 84°F (28.9°C) in August, to a still warm 74.3°F (23.5°C). The average low-temperature, in Wyola, is 54°F (12.2°C).

Humidity

In September, the average relative humidity in Wyola is 42%.

Rainfall

In September, the rain falls for 2.6 days. Throughout September, 0.24" (6mm) of precipitation is accumulated. Throughout the year, in Wyola, there are 46.3 rainfall days, and 2.83" (72mm) of precipitation is accumulated.

Snowfall

In Wyola snow does not fall in June through September.

Daylight

The average length of the day in Wyola is 12.5h.

Sunshine

In Wyola, the average sunshine is 10.7h.

UV index

In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from the exposure to the Sun's UV radiation for the ordinary person.
Note: In September, the average maximum UV index of 4 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in September in Wyola?

The average high-temperature, in September, in Wyola, is 74.3°F (23.5°C), while the average low-temperature is 54°F (12.2°C).

What is the average humidity in September in Wyola?

In Wyola, the average relative humidity in September is 42%.

How many days does it rain in September in Wyola?

In Wyola, in September, it is raining for 2.6 days, with typically 0.24" (6mm) of accumulated precipitation.

Does it snow in Wyola in September?

In Wyola, in September, it doesn't snow. In October, it regularly snows.

When it does not snow in Wyola?

June through September are months without snowfall in Wyola, Montana.

How many hours of daylight does Wyola have in September?

In September, the average length of the day is 12.5h.

How long on average sun shines in September in Wyola?

In Wyola, Montana, the average sunshine in September is 10.7h.

How high is the UV index in September in Wyola?

In Wyola, Montana, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health risk from unprotected exposure to the UV radiation.

Average temperature in September
Wyola, MT

Average temperature in September - Wyola, MT
  • Average high temperature in September: 74.3°F

The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is December (31.3°F).

  • Average low temperature in September: 54°F

Months with the highest average low temperature are July and August (61.3°F).
The coldest month (with the lowest average low temperature) is February (17.8°F).

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Average pressure in September
Wyola, MT

Average pressure in September - Wyola, MT
  • Average pressure in September: 29.94"

Months with the highest atmospheric pressure are January and December (30.13").
The month with the lowest atmospheric pressure is June (29.85").

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Average wind speed in September
Wyola, MT

Average wind speed in September - Wyola, MT
  • Average wind speed in September: 7.6mph

The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest month (with the lowest average wind speed) is July (6.9mph).

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Average humidity in September
Wyola, MT

Average humidity in September - Wyola, MT
  • Average humidity in September: 42%

Months with the highest relative humidity are January and February (76%).
The month with the lowest relative humidity is August (38%).

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Average rainfall in September
Wyola, MT

Average rainfall in September - Wyola, MT
  • Average rainfall in September: 0.24"

The wettest month (with the highest rainfall) is May (0.47").
The driest months (with the least rainfall) are January and December (0.12").

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Average rainfall days in September
Wyola, MT

Average rainfall days in September - Wyola, MT
  • Average rainfall days in September: 2.6 days

The month with the highest number of rainy days is May (6.1 days).
The month with the least rainy days is December (2.2 days).

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Average snowfall in September
Wyola, MT

Average snowfall in September - Wyola, MT
  • Average snowfall in September: 0"

The month with the highest snowfall is February (1.57").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Wyola, MT

Average snowfall days in September - Wyola, MT
  • Average snowfall days in September: 0.1 days

The month with the highest number of snowfall days is February (5.6 days).
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
Wyola, MT

Average daylight in September / Average sunshine in September - Wyola, MT
  • Average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 15.6h).
The month with the shortest days is December (Average daylight: 8.8h).

  • Average sunshine in September: 10.7h

The month with the most sunshine is July (Average sunshine: 12h).
The month with the least sunshine is February (Average sunshine: 5.6h).

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Average sunshine days in September
Wyola, MT

Average sunshine days in September - Wyola, MT
  • Average sunshine days in September: 26.8 days

The month with the most sunshine days is September (26.8 days).
The month with the least sunshine days is February (21.6 days).

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Average UV index in September
Wyola, MT

Average UV index in September - Wyola, MT
  • Average UV index in September: 4

The month with the highest UV index is July (UV index 7).
Months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average cloud cover in September
Wyola, MT

Average cloud cover in September - Wyola, MT
  • Average cloud cover in September: 18

The month with the most cloud cover is February (Cloud cover 42).
Months with the least cloud cover are July and August (Cloud cover 14).

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Average visibility in September
Wyola, MT

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

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

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