September weather forecastTurner, MT

September

Weather in September

The first month of the autumn, September, is also an agreeable month in Turner, Montana, with an average temperature ranging between min 52°F (11.1°C) and max 70°F (21.1°C).

Temperature

September ushers in a slight temperature change, with average high-temperatures reducing from August's moderately hot 81.1°F (27.3°C) to an agreeable 70°F (21.1°C). Turner cools down to an average low-temperature of 52°F (11.1°C) throughout the month of September.

Humidity

In Turner, the average relative humidity in September is 47%.

Rainfall

In September, the rain falls for 7.1 days. Throughout September, 0.79" (20mm) of precipitation is accumulated. In Turner, during the entire year, the rain falls for 99.1 days and collects up to 10.12" (257mm) 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 0.3 snowfall days, it receives 0.71" (18mm) of snow. In Turner, during the entire year, snow falls for 57.6 days and aggregates up to 21.69" (551mm) of snow.

Daylight

In September, the average length of the day is 12h and 34min.
On the first day of the month, sunrise is at 6:31 am and sunset at 7:55 pm. On the last day of September, in Turner, sunrise is at 7:12 am and sunset at 6:53 pm MDT.

Sunshine

In September, the average sunshine is 10.2h.

UV index

In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily high UV index of 4 during September translates into the following recommendations:
Take necessary precautions - Defending against sun damage is advocated. The Sun's radiation is especially intense around midday; try to stay in shade during this period. 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. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.

Frequently asked questions

September temperatures vary between a high-temperature of 70°F (21.1°C) and a low-temperature of 52°F (11.1°C). In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines air temperature and relative humidity, is computed to be 80.6°F (27°C).

The average relative humidity in September is 47%.

In Turner, Montana, in September, during 7.1 rainfall days, 0.79" (20mm) of precipitation is typically accumulated.

September is the first month it typically snows. Throughout September, in the average 0.3 snowfall days, it receives 0.71" (18mm) of snow.

In Turner, the average day length in September is 12h and 34min.

On the first day of September, sunrise is at 6:31 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 6:53 pm MDT.

In Turner, Montana, the average sunshine duration in September is 10.2h.

In Turner, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Turner, MT

  • Average high temperature in September: 70°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is February (26.2°F).

  • Average low temperature in September: 52°F

The month with the highest average low temperature is August (60.3°F).
The coldest month (with the lowest average low temperature) is February (12.6°F).

Average pressure in September
Turner, MT

  • Average pressure in September: 29.92"Hg

The month with the highest atmospheric pressure is February (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).

Average wind speed in September
Turner, MT

  • Average wind speed in September: 9.1mph

The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (8.7mph).

Average humidity in September
Turner, MT

  • Average humidity in September: 47%

The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is August (42%).

Average rainfall in September
Turner, MT

  • Average rainfall in September: 0.79"

The wettest month (with the highest rainfall) is June (1.85").
The driest months (with the least rainfall) are February, March and December (0.55").

Average rainfall days in September
Turner, MT

  • Average rainfall days in September: 7.1 days

The month with the highest number of rainy days is May (13.2 days).
The month with the least rainy days is February (4.6 days).

Average snowfall in September
Turner, MT

  • Average snowfall in September: 0.71"

The month with the highest snowfall is January (4.02").
The months with the least snowfall are June, July and August (0").

Average snowfall days in September
Turner, MT

  • Average snowfall days in September: 0.3 days

The month with the highest number of snowfall days is January (12.4 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in September /
Average sunshine in September
Turner, MT

  • Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).

  • Average sunshine in September: 10h and 12min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).

Average sunshine days in September
Turner, MT

  • Average sunshine days in September: 21 days

The month with the most sunshine days is July (21.6 days).
The month with the least sunshine days is April (12.5 days).

Average UV index in September
Turner, MT

  • Average UV index in September: 4

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

Average cloud cover in September
Turner, MT

  • Average cloud cover in September: 23

The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 15).

Average visibility in September
Turner, MT

  • Average visibility in September: 6mi

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