September weather forecast
Aldridge, MT

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Weather in September

September, the first month of the autumn in Aldridge, is still a refreshing month, with an average temperature ranging between max 63.5°F (17.5°C) and min 39.6°F (4.2°C).

Temperature

The transition into September is accompanied by a temperature decrease, with the average high-temperature shifting from an agreeable 72.7°F (22.6°C) in August to an enjoyable 63.5°F (17.5°C). Aldridge documents a significant temperature variance in September, with the mean nighttime lows settling at an icy 39.6°F (4.2°C).

Humidity

In Aldridge, the average relative humidity in September is 57%.

Rainfall

In Aldridge, during September, the rain falls for 11.1 days and regularly aggregates up to 1.81" (46mm) of precipitation. In Aldridge, during the entire year, the rain falls for 116.1 days and collects up to 23.5" (597mm) of precipitation.

Snowfall

Months with snowfall in Aldridge are January through December. In September, it is snowing for 3.6 days. Throughout September, 5.04" (128mm) of snow is accumulated. Throughout the year, in Aldridge, there are 151.6 snowfall days, and 124.06" (3151mm) of snow is accumulated.

Daylight

The average length of the day in September in Aldridge is 12h and 31min.
On the first day of September in Aldridge, sunrise is at 6:46 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 7:04 pm MDT.

Sunshine

In September, the average sunshine in Aldridge is 9.8h.

UV index

In September, the average daily maximum UV index in Aldridge is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: An average UV index of 3 in September transforms into this advice:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
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Frequently asked questions

What are September temperatures in Aldridge?

The high-temperature during September is 63.5°F (17.5°C) and the low-temperature is 39.6°F (4.2°C).

What is the average humidity in September in Aldridge?

The average relative humidity in September in Aldridge, Montana, is 57%.

How many days does it rain in September in Aldridge?

In Aldridge, in September, it is raining for 11.1 days, with typically 1.81" (46mm) of accumulated precipitation.

How much does it snow in Aldridge in September?

In Aldridge, in September, during 3.6 snowfall days, 5.04" (128mm) of snow is typically accumulated.

How many hours of daylight does Aldridge have in September?

In Aldridge, the average day length in September is 12h and 31min.

When is the sunrise / sunset in September in Aldridge?

In September, on the first day of the month, sunrise is at 6:46 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 7:04 pm MDT.

How many hours of sunshine does Aldridge have in September?

The average sunshine duration in September in Aldridge, Montana, is 9.8h.

What is the UV index intensity in September in Aldridge?

In September, the average daily maximum UV index in Aldridge is 3. A UV Index value of 3 to 5 symbolizes a moderate vulnerability 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
Aldridge, MT

Average temperature in September - Aldridge, MT
  • Average high temperature in September: 63.5°F

The warmest month (with the highest average high temperature) is July (74.8°F).
The month with the lowest average high temperature is December (22.5°F).

  • Average low temperature in September: 39.6°F

The month with the highest average low temperature is August (45.1°F).
The coldest month (with the lowest average low temperature) is December (7.9°F).

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Average pressure in September
Aldridge, MT

Average pressure in September - Aldridge, MT
  • Average pressure in September: 29.99"Hg

The month with the highest atmospheric pressure is January (30.22"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in September
Aldridge, MT

Average wind speed in September - Aldridge, MT
  • Average wind speed in September: 5.2mph

The windiest month (with the highest average wind speed) is January (7.1mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

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Average humidity in September
Aldridge, MT

Average humidity in September - Aldridge, MT
  • Average humidity in September: 57%

The months with the highest relative humidity are January and February (90%).
The month with the lowest relative humidity is August (51%).

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Average rainfall in September
Aldridge, MT

Average rainfall in September - Aldridge, MT
  • Average rainfall in September: 1.81"

The wettest months (with the highest rainfall) are April and May (2.91").
The driest month (with the least rainfall) is July (1.18").

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Average rainfall days in September
Aldridge, MT

Average rainfall days in September - Aldridge, MT
  • Average rainfall days in September: 11.1 days

The month with the highest number of rainy days is June (16.6 days).
The month with the least rainy days is February (4.3 days).

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Average snowfall in September
Aldridge, MT

Average snowfall in September - Aldridge, MT
  • Average snowfall in September: 5.04"

The month with the highest snowfall is April (19.88").
The month with the least snowfall is August (0.08").

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Average snowfall days in September
Aldridge, MT

Average snowfall days in September - Aldridge, MT
  • Average snowfall days in September: 3.6 days

The month with the highest number of snowfall days is March (21 days).
The month with the least snowfall days is August (0.3 days).

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

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

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in September: 9h and 5min

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 42min).

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Average sunshine days in September
Aldridge, MT

Average sunshine days in September - Aldridge, MT
  • Average sunshine days in September: 14.5 days

The month with the most sunshine days is September (14.5 days).
The month with the least sunshine days is May (5.7 days).

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Average UV index in September
Aldridge, MT

Average UV index in September - Aldridge, MT
  • Average UV index in September: 3

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January and February (UV index 1).

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Average cloud cover in September
Aldridge, MT

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

The month with the most cloud cover is February (Cloud cover 60).
The month with the least cloud cover is July (Cloud cover 17).

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Average visibility in September
Aldridge, MT

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

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

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Aldridge, Montana, USA

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