September weather forecast and climate
Wisdom, MT

September, the first month of the autumn, in Wisdom, is also an enjoyable month, with average temperature ranging between min 39.4°F (4.1°C) and max 66.2°F (19°C).

Temperature

In Wisdom, the average high-temperature in September decreases, from a warm 75.9°F (24.4°C) in August, to an enjoyable 66.2°F (19°C). The average low-temperature, in Wisdom, is 39.4°F (4.1°C).

Humidity

In September, the average relative humidity in Wisdom is 55%.

Rainfall

In Wisdom, during September, the rain falls for 7.4 days and regularly aggregates up to 0.71" (18mm) of precipitation. Throughout the year, there are 93.6 rainfall days, and 15.43" (392mm) of precipitation is accumulated.

Snowfall

January through December are months with snowfall in Wisdom. In September, it is snowing for 2.2 days. Throughout September, 1.42" (36mm) of snow is accumulated. Throughout the year, there are 129.3 snowfall days, and 94.92" (2411mm) of snow is accumulated.

Daylight

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

Sunshine

The average sunshine in September is 9.6h.

UV index

The average daily maximum UV index in Wisdom is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 3 interpret into the following advice:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the temperature in September in Wisdom?

In Wisdom, in September, the average high-temperature is 66.2°F (19°C), and the average low-temperature is 39.4°F (4.1°C).

What is the average humidity in September in Wisdom?

The average relative humidity in September in Wisdom is 55%.

How many days does it rain in September in Wisdom?

In Wisdom, Montana, during September, the rain falls for 7.4 days and regularly aggregates up to 0.71" (18mm) of precipitation.

How many days does it snow in September in Wisdom?

In September, in Wisdom, it is snowing for 2.2 days. Throughout September, 1.42" (36mm) of snow is accumulated.

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

The average length of the day in September in Wisdom, Montana, is 12.5h.

How many hours of sunshine does Wisdom have in September?

In September, the average sunshine in Wisdom, Montana, is 9.6h.

What is the UV index intensity in September in Wisdom?

In Wisdom, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium hazard to health from the exposure to the Sun's UV rays.
Average temperature in September - Wisdom, MT
  • Average high temperature in September: 19°C

The warmest month (with the highest average high temperature) is July (25.1°C).
The month with the lowest average high temperature is December (-4.4°C).

  • Average low temperature in September: 4.1°C

The month with the highest average low temperature is August (7.4°C).
The coldest month (with the lowest average low temperature) is December (-12.5°C).

Average pressure in September - Wisdom, MT
  • Average pressure in September: 1015.6mbar

The month with the highest atmospheric pressure is January (1023.6mbar).
The month with the lowest atmospheric pressure is June (1013.6mbar).

Average wind speed in September - Wisdom, MT
  • Average wind speed in September: 6.9km/h

The windiest month (with the highest average wind speed) is November (8.3km/h).
The calmest month (with the lowest average wind speed) is August (6.7km/h).

Average humidity in September - Wisdom, MT
  • Average humidity in September: 55%

Months with the highest relative humidity are January and February (91%).
The month with the lowest relative humidity is August (48%).

Average rainfall in September - Wisdom, MT
  • Average rainfall in September: 18mm

The wettest month (with the highest rainfall) is April (46mm).
The driest month (with the least rainfall) is August (10mm).

Average rainfall days in September - Wisdom, MT
  • Average rainfall days in September: 7.4 days

The month with the highest number of rainy days is June (11.7 days).
Months with the least rainy days are January, August and December (5.2 days).

Average snowfall in September - Wisdom, MT
  • Average snowfall in September: 36mm

The month with the highest snowfall is February (376mm).
The month with the least snowfall is July (3mm).

Average snowfall days in September - Wisdom, MT
  • Average snowfall days in September: 2.2 days

The month with the highest number of snowfall days is March (20.3 days).
The month with the least snowfall days is July (0.2 days).

Average daylight in September / Average sunshine in September - Wisdom, 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: 9.6h

The month with the most sunshine is July (Average sunshine: 11.9h).
Months with the least sunshine are January and December (Average sunshine: 5.1).

Average sunshine days in September - Wisdom, MT
  • Average sunshine days in September: 19.5 days

The month with the most sunshine days is August (22.3 days).
The month with the least sunshine days is March (8.8 days).

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

Average cloud cover in September - Wisdom, MT
  • Average cloud cover in September: 19

The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 12).

Average visibility in September - Wisdom, MT
  • Average visibility in September: 10km

Months with the highest visibility are July, August and September (10km).
Months with the lowest visibility are January, February and December (6km).