September weather forecast
McLeod, MT

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Weather in September

September, the first month of the autumn in McLeod, is still a refreshing month, with an average temperature fluctuating between 66.7°F (19.3°C) and 45.3°F (7.4°C).

Temperature

A shift in the average high-temperature occurs in September, reducing from a warm 76.6°F (24.8°C) in August to an enjoyable 66.7°F (19.3°C). September in McLeod generally records an average low-temperature of 45.3°F (7.4°C).

Humidity

In McLeod, the average relative humidity in September is 51%.

Rainfall

In McLeod, in September, it is raining for 9.8 days, with typically 1.1" (28mm) of accumulated precipitation. In McLeod, during the entire year, the rain falls for 129.6 days and collects up to 15.83" (402mm) of precipitation.

Snowfall

Months with snowfall are January through May, September through December. September is the first month it typically snows in McLeod. Throughout September, in the average 1 snowfall days, it receives 0.51" (13mm) of snow. Throughout the year, there are 67.6 snowfall days, and 38.19" (970mm) of snow is accumulated.

Daylight

In September, the average length of the day is 12h and 31min.
On the first day of the month, sunrise is at 6:42 am and sunset at 7:57 pm. On the last day of September, sunrise is at 7:18 am and sunset at 7:01 pm MDT.

Sunshine

In September, the average sunshine is 10.2h.

UV index

In McLeod, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.
Note: The maximum daily UV index of 3 in September converts into the following recommendations:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Updated: Aug 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for McLeod in September?

An average high-temperature, in September, in McLeod, is 66.7°F (19.3°C) and the average low-temperature is 45.3°F (7.4°C).

What is the average humidity in September?

The average relative humidity in September is 51%.

How much does it rain in September?

In McLeod, in September, it is raining for 9.8 days, with typically 1.1" (28mm) of accumulated precipitation.

When does it start to snow?

September is the first month it typically snows. Throughout September, in the average 1 snowfall days, it receives 0.51" (13mm) of snow.

How many hours of daylight does McLeod have in September?

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

When is the sunrise / sunset in September?

In September, on the first day of the month, sunrise is at 6:42 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 7:01 pm MDT.

How many hours of sunshine does McLeod have in September?

The average sunshine duration in September is 10.2h.

What is the UV index reading in September?

In McLeod, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium health risk from unprotected exposure to UV radiation.
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
McLeod, MT

Average temperature in September - McLeod, MT
  • Average high temperature in September: 66.7°F

The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is December (28.4°F).

  • Average low temperature in September: 45.3°F

The month with the highest average low temperature is August (52.9°F).
The coldest month (with the lowest average low temperature) is February (15.3°F).

Average pressure in September
McLeod, MT

Average pressure in September - McLeod, MT
  • Average pressure in September: 29.96"Hg

The months with the highest atmospheric pressure are January and December (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed in September
McLeod, MT

Average wind speed in September - McLeod, MT
  • Average wind speed in September: 6.9mph

The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest month (with the lowest average wind speed) is July (5.9mph).

Average humidity in September
McLeod, MT

Average humidity in September - McLeod, MT
  • Average humidity in September: 51%

The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is August (47%).

Average rainfall in September
McLeod, MT

Average rainfall in September - McLeod, MT
  • Average rainfall in September: 1.1"

The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is January (0.47").

Average rainfall days in September
McLeod, MT

Average rainfall days in September - McLeod, MT
  • Average rainfall days in September: 9.8 days

The month with the highest number of rainy days is May (19.8 days).
The months with the least rainy days are January and December (5.3 days).

Average snowfall in September
McLeod, MT

Average snowfall in September - McLeod, MT
  • Average snowfall in September: 0.51"

The month with the highest snowfall is March (7.09").
The months with the least snowfall are June, July and August (0").

Average snowfall days in September
McLeod, MT

Average snowfall days in September - McLeod, MT
  • Average snowfall days in September: 1 days

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

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

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

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in September: 10h and 1min

The month with the most sunshine is July (Average sunshine: 11h and 48min).
The months with the least sunshine are January, February and December (Average sunshine: 6h and 12min).

Average sunshine days in September
McLeod, MT

Average sunshine days in September - McLeod, MT
  • Average sunshine days in September: 17.8 days

The month with the most sunshine days is January (19.8 days).
The month with the least sunshine days is May (7.7 days).

Average UV index in September
McLeod, MT

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

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).

Average cloud cover in September
McLeod, MT

Average cloud cover in September - McLeod, MT
  • Average cloud cover in September: 21

The month with the most cloud cover is February (Cloud cover 41).
The months with the least cloud cover are July and August (Cloud cover 16).

Average visibility in September
McLeod, MT

Average visibility in September - McLeod, 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).

McLeod, Montana, USA

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