September weather forecast
Santa Rita, MT

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Weather in September

The first month of the autumn, September, is still a refreshing month in Santa Rita, Montana, with an average temperature varying between 48.4°F (9.1°C) and 67.6°F (19.8°C).

Temperature

Stepping into September, Santa Rita observes a temperature decline, with the average high falling from August's warm 78.1°F (25.6°C) to a refreshing 67.6°F (19.8°C). Throughout September, Santa Rita encounters an average temperature drop to a frosty 48.4°F (9.1°C).

Humidity

In September, the average relative humidity is 49%.

Rainfall

In Santa Rita, during September, the rain falls for 6.2 days and regularly aggregates up to 0.71" (18mm) of precipitation. In Santa Rita, during the entire year, the rain falls for 70.4 days and collects up to 8.46" (215mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 0.8 snowfall days, it receives 0.51" (13mm) of snow. In Santa Rita, during the entire year, snow falls for 54.3 days and aggregates up to 19.49" (495mm) of snow.

Daylight

In September, the average length of the day in Santa Rita is 12h and 34min.
On the first day of the month, sunrise is at 6:47 am and sunset at 8:10 pm. On the last day of September, in Santa Rita, sunrise is at 7:28 am and sunset at 7:09 pm MDT.

Sunshine

In Santa Rita, the average sunshine in September is 9.6h.

UV index

In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum UV index of 4 in September translates into the following recommendations:
Undertake protective steps - Preventing sun damage is advised. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
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Frequently asked questions

What is the temperature in September in Santa Rita?

The average high-temperature and low-temperature in Santa Rita, Montana, during September are 67.6°F (19.8°C) and 48.4°F (9.1°C) respectively.

What is the average humidity in September in Santa Rita?

In Santa Rita, Montana, the average relative humidity in September is 49%.

How much does it rain in Santa Rita in September?

In September, in Santa Rita, the rain falls for 6.2 days. Throughout September, 0.71" (18mm) of precipitation is accumulated.

When does it start snowing in Santa Rita?

September is the first month it typically snows in Santa Rita. Throughout September, in the average 0.8 snowfall days, it receives 0.51" (13mm) of snow.

How many hours of daylight does Santa Rita have in September?

In Santa Rita, Montana, the average day length in September is 12h and 34min.

When are sunrise and sunset in September in Santa Rita?

In September, on the first day of the month, sunrise is at 6:47 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 7:09 pm MDT.

How long on average sun shines in September in Santa Rita?

In Santa Rita, the average sunshine duration in September is 9.6h.

What is the UV index intensity in September in Santa Rita?

In September, the average daily maximum UV index in Santa Rita is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability from exposure to the Sun's UV radiation.
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
Santa Rita, MT

Average temperature in September - Santa Rita, MT
  • Average high temperature in September: 67.6°F

The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is December (27.1°F).

  • Average low temperature in September: 48.4°F

The month with the highest average low temperature is August (55.2°F).
The coldest month (with the lowest average low temperature) is December (15.3°F).

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Average pressure in September
Santa Rita, MT

Average pressure in September - Santa Rita, MT
  • Average pressure in September: 29.95"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

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Average wind speed in September
Santa Rita, MT

Average wind speed in September - Santa Rita, MT
  • Average wind speed in September: 9.5mph

The windiest month (with the highest average wind speed) is January (11.8mph).
The calmest months (with the lowest average wind speed) are July and August (8.8mph).

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Average humidity in September
Santa Rita, MT

Average humidity in September - Santa Rita, MT
  • Average humidity in September: 49%

The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is August (43%).

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Average rainfall in September
Santa Rita, MT

Average rainfall in September - Santa Rita, MT
  • Average rainfall in September: 0.71"

The wettest month (with the highest rainfall) is June (1.77").
The driest month (with the least rainfall) is July (0.31").

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Average rainfall days in September
Santa Rita, MT

Average rainfall days in September - Santa Rita, MT
  • Average rainfall days in September: 6.2 days

The month with the highest number of rainy days is May (10.4 days).
The month with the least rainy days is November (2.6 days).

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Average snowfall in September
Santa Rita, MT

Average snowfall in September - Santa Rita, MT
  • Average snowfall in September: 0.51"

The month with the highest snowfall is February (3.58").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in September
Santa Rita, MT

Average snowfall days in September - Santa Rita, MT
  • Average snowfall days in September: 0.8 days

The month with the highest number of snowfall days is December (10.2 days).
The months with the least snowfall days are July and August (0 days).

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Average daylight in September /
Average sunshine in September
Santa Rita, MT

Average daylight in September / Average sunshine in September - Santa Rita, MT
  • Average daylight in September: 12h and 4min

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 24min).

  • Average sunshine in September: 9h and 4min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 5h and 36min).

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Average sunshine days in September
Santa Rita, MT

Average sunshine days in September - Santa Rita, MT
  • Average sunshine days in September: 22.4 days

The month with the most sunshine days is July (23.5 days).
The month with the least sunshine days is April (17.4 days).

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Average UV index in September
Santa Rita, MT

Average UV index in September - Santa Rita, MT
  • Average UV index in September: 4

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

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Average cloud cover in September
Santa Rita, MT

Average cloud cover in September - Santa Rita, MT
  • Average cloud cover in September: 23

The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is July (Cloud cover 15).

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Average visibility in September
Santa Rita, MT

Average visibility in September - Santa Rita, 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).

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Santa Rita, Montana, USA

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