September weather forecast
Medicine Lake, MT

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Weather in September

September, the first month of the autumn in Medicine Lake, is also an agreeable month, with an average temperature fluctuating between 52.3°F (11.3°C) and 70°F (21.1°C).

Temperature

September's arrival coincides with a drop in the average high-temperature, decreasing from August's moderately hot 81.3°F (27.4°C) to a pleasant 70°F (21.1°C). Throughout the month of September, the nighttime temperature in Medicine Lake, Montana, dips to an average of 52.3°F (11.3°C).

Humidity

The average relative humidity in September in Medicine Lake is 50%.

Rainfall

In Medicine Lake, in September, it is raining for 8.6 days, with typically 1.5" (38mm) of accumulated precipitation. Throughout the year, in Medicine Lake, there are 93.3 rainfall days, and 12.01" (305mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in September in Medicine Lake is 12h and 34min.
On the first day of the month, sunrise is at 6:16 am and sunset at 7:39 pm. On the last day of September, sunrise is at 6:57 am and sunset at 6:38 pm MDT.

Sunshine

In Medicine Lake, Montana, the average sunshine in September is 9.9h.

UV index

In September, the average daily maximum UV index in Medicine Lake is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: A typical high UV index of 4 in September suggests the following recommendations:
Heed the precautions - It is counselled to guard against solar damage. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
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Frequently asked questions

What are September temperatures in Medicine Lake?

The high-temperature during September is 70°F (21.1°C) and the low-temperature is 52.3°F (11.3°C). In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines air temperature and relative humidity, is estimated at 82.4°F (28°C).

What is the average humidity in September in Medicine Lake?

In September, the average relative humidity in Medicine Lake is 50%.

How many days does it rain in September in Medicine Lake?

In September, in Medicine Lake, the rain falls for 8.6 days. Throughout September, 1.5" (38mm) of precipitation is accumulated.

When it does not snow in Medicine Lake?

In Medicine Lake, Montana, snow does not fall in June through September.

Does it snow in Medicine Lake in September?

In Medicine Lake, in September, it doesn't snow. In October, it regularly snows.

How many hours of daylight does Medicine Lake have in September?

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

What time are sunrise and sunset in September in Medicine Lake?

On the first day of September, sunrise is at 6:16 am and sunset at 7:39 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 6:38 pm MDT.

How long on average sun shines in September in Medicine Lake?

The average sunshine duration in September is 9.9h.

How high is the UV index in September in Medicine Lake?

In Medicine Lake, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Medicine Lake, MT

Average temperature in September - Medicine Lake, 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 (19.8°F).

  • Average low temperature in September: 52.3°F

The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is February (6.3°F).

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Average pressure in September
Medicine Lake, MT

Average pressure in September - Medicine Lake, MT
  • Average pressure in September: 29.93"Hg

The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).

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Average wind speed in September
Medicine Lake, MT

Average wind speed in September - Medicine Lake, MT
  • Average wind speed in September: 10.2mph

The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is February (9.2mph).

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Average humidity in September
Medicine Lake, MT

Average humidity in September - Medicine Lake, MT
  • Average humidity in September: 50%

The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is August (46%).

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Average rainfall in September
Medicine Lake, MT

Average rainfall in September - Medicine Lake, MT
  • Average rainfall in September: 1.5"

The wettest month (with the highest rainfall) is June (2.17").
The driest month (with the least rainfall) is February (0.47").

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Average rainfall days in September
Medicine Lake, MT

Average rainfall days in September - Medicine Lake, MT
  • Average rainfall days in September: 8.6 days

The month with the highest number of rainy days is June (13.9 days).
The month with the least rainy days is February (2.6 days).

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Average snowfall in September
Medicine Lake, MT

Average snowfall in September - Medicine Lake, MT
  • Average snowfall in September: 0"

The month with the highest snowfall is November (3.74").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Medicine Lake, MT

Average snowfall days in September - Medicine Lake, MT
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (13.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in September /
Average sunshine in September
Medicine Lake, MT

Average daylight in September / Average sunshine in September - Medicine Lake, 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 5min

The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).

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Average sunshine days in September
Medicine Lake, MT

Average sunshine days in September - Medicine Lake, MT
  • Average sunshine days in September: 19.6 days

The month with the most sunshine days is August (20.1 days).
The months with the least sunshine days are February and June (13.8 days).

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Average UV index in September
Medicine Lake, MT

Average UV index in September - Medicine Lake, MT
  • Average UV index in September: 4

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is February (UV index 1).

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Average cloud cover in September
Medicine Lake, MT

Average cloud cover in September - Medicine Lake, MT
  • Average cloud cover in September: 26

The month with the most cloud cover is February (Cloud cover 60).
The months with the least cloud cover are July and August (Cloud cover 19).

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Average visibility in September
Medicine Lake, MT

Average visibility in September - Medicine Lake, MT
  • Average visibility in September: 6mi

The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).

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Medicine Lake, Montana, USA

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