September weather forecastLakeview, MT
September
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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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: 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: 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: 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: 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: 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: 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: 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: 12h and 30min
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 54min
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: 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: 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: 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: 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).





