September weather forecast
Lindsay, MT

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Weather in September

The first month of the autumn, September, is still a pleasant month in Lindsay, Montana, with temperature in the range of an average low of 54.5°F (12.5°C) and an average high of 73°F (22.8°C).

Temperature

With the onset of September, Lindsay's average high-temperature adjusts, receding from August's warm 83.3°F (28.5°C) to a pleasant 73°F (22.8°C). An average low-temperature of 54.5°F (12.5°C) is expected during September.

Humidity

The average relative humidity in September is 46%.

Rainfall

In Lindsay, during September, the rain falls for 8.3 days and regularly aggregates up to 1.73" (44mm) of precipitation. In Lindsay, during the entire year, the rain falls for 102.6 days and collects up to 13.35" (339mm) of precipitation.

Snowfall

In Lindsay, snow does not fall in June through September.

Daylight

The average length of the day in September in Lindsay is 12h and 32min.
On the first day of September, sunrise is at 6:20 am and sunset at 7:39 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 6:41 pm MDT.

Sunshine

The average sunshine in September in Lindsay is 10.2h.

UV index

In Lindsay, Montana, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: In September, the maximum UV index of 4 translates into these guidelines:
Be vigilant - Preventing sunburn is recommended. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
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 Lindsay in September?

In September, the average high-temperature and low-temperature are 73°F (22.8°C) and 54.5°F (12.5°C) respectively. In August, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is computed to be 82.4°F (28°C).

What is the average humidity in September in Lindsay?

In September, the average relative humidity in Lindsay is 46%.

How many days does it rain in September in Lindsay?

In Lindsay, Montana, in September, during 8.3 rainfall days, 1.73" (44mm) of precipitation is typically accumulated.

When it does not snow in Lindsay?

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

Does it snow in Lindsay in September?

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

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

The average day length in September in Lindsay is 12h and 32min.

When is the sunrise / sunset in September in Lindsay?

On the first day of September, sunrise is at 6:20 am and sunset at 7:39 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 6:41 pm MDT.

How long on average sun shines in September in Lindsay?

In September, the average sunshine duration in Lindsay, Montana, is 10.2h.

What is the UV index reading in September in Lindsay?

In September, the average daily maximum UV index in Lindsay is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability from exposure to the Sun's UV radiation.
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
Lindsay, MT

Average temperature in September - Lindsay, MT
  • Average high temperature in September: 73°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (25.5°F).

  • Average low temperature in September: 54.5°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).

Average pressure in September
Lindsay, MT

Average pressure in September - Lindsay, MT
  • Average pressure in September: 29.92"Hg

The month with the highest atmospheric pressure is February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).

Average wind speed in September
Lindsay, MT

Average wind speed in September - Lindsay, MT
  • Average wind speed in September: 10.3mph

The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is August (9.3mph).

Average humidity in September
Lindsay, MT

Average humidity in September - Lindsay, MT
  • Average humidity in September: 46%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (43%).

Average rainfall in September
Lindsay, MT

Average rainfall in September - Lindsay, MT
  • Average rainfall in September: 1.73"

The wettest month (with the highest rainfall) is May (2.2").
The driest month (with the least rainfall) is January (0.51").

Average rainfall days in September
Lindsay, MT

Average rainfall days in September - Lindsay, MT
  • Average rainfall days in September: 8.3 days

The month with the highest number of rainy days is May (13.7 days).
The month with the least rainy days is February (4 days).

Average snowfall in September
Lindsay, MT

Average snowfall in September - Lindsay, MT
  • Average snowfall in September: 0"

The month with the highest snowfall is February (3.62").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Lindsay, MT

Average snowfall days in September - Lindsay, MT
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (12.9 days).
The months with the least snowfall days are July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • Average sunshine in September: 10h and 1min

The month with the most sunshine is July (Average sunshine: 11h and 42min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).

Average sunshine days in September
Lindsay, MT

Average sunshine days in September - Lindsay, MT
  • Average sunshine days in September: 19.8 days

The month with the most sunshine days is September (19.8 days).
The month with the least sunshine days is June (13.1 days).

Average UV index in September
Lindsay, MT

Average UV index in September - Lindsay, MT
  • Average UV index in September: 4

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are November and December (UV index 1).

Average cloud cover in September
Lindsay, MT

Average cloud cover in September - Lindsay, MT
  • Average cloud cover in September: 22

The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 17).

Average visibility in September
Lindsay, MT

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

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

Lindsay, Montana, USA

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