September weather forecast
Ramsay, MT

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Weather in September

The first month of the autumn, September, is still a comfortable month in Ramsay, Montana, with an average temperature ranging between max 64.9°F (18.3°C) and min 40.1°F (4.5°C).

Temperature

Ramsay in September undergoes a mild reduction in the average high-temperature, shifting from August's warm 74.8°F (23.8°C) to a comfortable 64.9°F (18.3°C). Ramsay anticipates a stark contrast in temperature during September nights, with an average low of 40.1°F (4.5°C).

Humidity

In Ramsay, the average relative humidity in September is 54%.

Rainfall

In Ramsay, in September, it is raining for 8.5 days, with typically 1.06" (27mm) of accumulated precipitation. Throughout the year, there are 102.5 rainfall days, and 13.74" (349mm) of precipitation is accumulated.

Snowfall

January through June, September through December are months with snowfall in Ramsay. September is the first month it typically snows. Throughout September, in the average 1.1 snowfall days, it receives 1.65" (42mm) of snow. Throughout the year, in Ramsay, there are 103.1 snowfall days, and 52.56" (1335mm) of snow is accumulated.

Daylight

The average length of the day in September in Ramsay is 12h and 31min.
On the first day of September in Ramsay, sunrise is at 6:52 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 7:11 pm MDT.

Sunshine

In Ramsay, the average sunshine in September is 9.5h.

UV index

In September, the average daily maximum UV index in Ramsay is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The UV index of 3 during September leads to these advisories:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
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Frequently asked questions

What are September temperatures in Ramsay?

The average high-temperature and low-temperature during September are 64.9°F (18.3°C) and 40.1°F (4.5°C) respectively.

What is the average humidity in September in Ramsay?

The average relative humidity in September is 54%.

How much does it rain in Ramsay in September?

In Ramsay, in September, it is raining for 8.5 days, with typically 1.06" (27mm) of accumulated precipitation.

When does it start snowing in Ramsay?

September is the first month it typically snows in Ramsay, Montana. Throughout September, in the average 1.1 snowfall days, it receives 1.65" (42mm) of snow.

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

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

When are sunrise and sunset in September in Ramsay?

In September, on the first day of the month, sunrise is at 6:52 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 7:11 pm MDT.

How many hours of sunshine does Ramsay have in September?

In September, the average sunshine duration in Ramsay, Montana, is 9.5h.

How high is the UV index in September in Ramsay?

In September, the average daily maximum UV index in Ramsay, Montana, is 3. A UV Index reading of 3 to 5 represents a medium health risk from 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
Ramsay, MT

Average temperature in September - Ramsay, MT
  • Average high temperature in September: 64.9°F

The warmest month (with the highest average high temperature) is July (76.5°F).
The month with the lowest average high temperature is December (25.2°F).

  • Average low temperature in September: 40.1°F

The month with the highest average low temperature is July (46.9°F).
The coldest month (with the lowest average low temperature) is December (9°F).

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Average pressure in September
Ramsay, MT

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

The month with the highest atmospheric pressure is January (30.21"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in September
Ramsay, MT

Average wind speed in September - Ramsay, MT
  • Average wind speed in September: 5.6mph

The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity in September
Ramsay, MT

Average humidity in September - Ramsay, MT
  • Average humidity in September: 54%

The months with the highest relative humidity are January, February and December (87%).
The month with the lowest relative humidity is July (48%).

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Average rainfall in September
Ramsay, MT

Average rainfall in September - Ramsay, MT
  • Average rainfall in September: 1.06"

The wettest month (with the highest rainfall) is May (2.24").
The driest months (with the least rainfall) are January, November and December (0.67").

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Average rainfall days in September
Ramsay, MT

Average rainfall days in September - Ramsay, MT
  • Average rainfall days in September: 8.5 days

The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is November (4.1 days).

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Average snowfall in September
Ramsay, MT

Average snowfall in September - Ramsay, MT
  • Average snowfall in September: 1.65"

The month with the highest snowfall is March (8.74").
The months with the least snowfall are July and August (0").

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Average snowfall days in September
Ramsay, MT

Average snowfall days in September - Ramsay, MT
  • Average snowfall days in September: 1.1 days

The month with the highest number of snowfall days is February (17.7 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
Ramsay, MT

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

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in September: 9h and 3min

The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).

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Average sunshine days in September
Ramsay, MT

Average sunshine days in September - Ramsay, MT
  • Average sunshine days in September: 18.9 days

The month with the most sunshine days is August (19.1 days).
The month with the least sunshine days is April (9.8 days).

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Average UV index in September
Ramsay, MT

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

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

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Average cloud cover in September
Ramsay, MT

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

The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 16).

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Average visibility in September
Ramsay, MT

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

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

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Ramsay, Montana, USA

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