September weather forecast
Lakeview, MT

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Weather in September

The first month of the autumn, September, is still a refreshing month in Lakeview, Montana, with an average temperature fluctuating between 40.1°F (4.5°C) and 65.8°F (18.8°C).

Temperature

The arrival of September corresponds with a reduction in the average high-temperature, down from August's moderately hot 75.7°F (24.3°C) to a comfortable 65.8°F (18.8°C). Lakeview experiences a drastic reduction from day temperatures to an average low of 40.1°F (4.5°C) in September.

Humidity

The average relative humidity in September is 53%.

Rainfall

In Lakeview, in September, it is raining for 7.9 days, with typically 1.14" (29mm) of accumulated precipitation. In Lakeview, Montana, during the entire year, the rain falls for 106.1 days and collects up to 20.83" (529mm) of precipitation.

Snowfall

January through July, September through December are months with snowfall in Lakeview. September is the first month it typically snows in Lakeview. Throughout September, in the average 1.2 snowfall days, it receives 1.69" (43mm) of snow. In Lakeview, Montana, during the entire year, snow falls for 138.1 days and aggregates up to 107.64" (2734mm) of snow.

Daylight

In Lakeview, the average length of the day in September is 12h and 30min.
On the first day of the month, sunrise is at 6:50 am and sunset at 8:03 pm. On the last day of September, in Lakeview, sunrise is at 7:24 am and sunset at 7:09 pm MDT.

Sunshine

The average sunshine in September is 9.9h.

UV index

The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.
Note: The daily maximum UV index of 3 in September interprets into the following advice:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Lakeview in September?

The average high-temperature and low-temperature in Lakeview during September are 65.8°F (18.8°C) and 40.1°F (4.5°C) respectively.

What is the average humidity in September in Lakeview?

In September, the average relative humidity in Lakeview, Montana, is 53%.

How much does it rain in Lakeview in September?

In September, the rain falls for 7.9 days. Throughout September, 1.14" (29mm) of precipitation is accumulated.

When does it start to snow in Lakeview?

September is the first month it typically snows in Lakeview, Montana. Throughout September, in the average 1.2 snowfall days, it receives 1.69" (43mm) of snow.

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

In September, the average day length is 12h and 30min.

When is the sunrise / sunset in September in Lakeview?

In September, on the first day of the month, sunrise is at 6:50 am and sunset at 8:03 pm. On the last day of the month, in Lakeview, Montana, sunrise is at 7:24 am and sunset at 7:09 pm MDT.

How long on average sun shines in September in Lakeview?

The average sunshine duration in September is 9.9h.

What is the UV index reading in September in Lakeview?

The average daily maximum UV index in September in Lakeview 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
Lakeview, MT

Average temperature in September - Lakeview, MT
  • Average high temperature in September: 65.8°F

The warmest month (with the highest average high temperature) is July (77.4°F).
The month with the lowest average high temperature is December (22.3°F).

  • Average low temperature in September: 40.1°F

The month with the highest average low temperature is August (46.6°F).
The coldest months (with the lowest average low temperature) are January and December (6.8°F).

Average pressure in September
Lakeview, MT

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

The month with the highest atmospheric pressure is January (30.26"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in September
Lakeview, MT

Average wind speed in September - Lakeview, MT
  • Average wind speed in September: 5.5mph

The windiest month (with the highest average wind speed) is June (6.3mph).
The calmest month (with the lowest average wind speed) is January (4.4mph).

Average humidity in September
Lakeview, MT

Average humidity in September - Lakeview, MT
  • Average humidity in September: 53%

The months with the highest relative humidity are January and February (94%).
The month with the lowest relative humidity is August (47%).

Average rainfall in September
Lakeview, MT

Average rainfall in September - Lakeview, MT
  • Average rainfall in September: 1.14"

The wettest month (with the highest rainfall) is February (2.64").
The driest month (with the least rainfall) is July (0.47").

Average rainfall days in September
Lakeview, MT

Average rainfall days in September - Lakeview, MT
  • Average rainfall days in September: 7.9 days

The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is January (3.8 days).

Average snowfall in September
Lakeview, MT

Average snowfall in September - Lakeview, MT
  • Average snowfall in September: 1.69"

The month with the highest snowfall is January (19.84").
The month with the least snowfall is August (0").

Average snowfall days in September
Lakeview, MT

Average snowfall days in September - Lakeview, MT
  • Average snowfall days in September: 1.2 days

The month with the highest number of snowfall days is December (23 days).
The month with the least snowfall days is August (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in September: 9h and 5min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days in September
Lakeview, MT

Average sunshine days in September - Lakeview, MT
  • Average sunshine days in September: 19.3 days

The month with the most sunshine days is July (21.2 days).
The month with the least sunshine days is February (5.9 days).

Average UV index in September
Lakeview, MT

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

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).

Average cloud cover in September
Lakeview, MT

Average cloud cover in September - Lakeview, MT
  • Average cloud cover in September: 19

The month with the most cloud cover is February (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 13).

Average visibility in September
Lakeview, MT

Average visibility in September - Lakeview, 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 (3mi).

Lakeview, Montana, USA

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