September weather forecast
Leckie, WY

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Weather in September

September, the first month of the autumn in Leckie, is still a refreshing month, with an average temperature varying between 46.8°F (8.2°C) and 67.6°F (19.8°C).

Temperature

September brings a drop in Leckie's average high-temperature, falling from a warm 76.6°F (24.8°C) in August to a comfortable 67.6°F (19.8°C). In September, Leckie experiences a temperature dip to an average of 46.8°F (8.2°C) at night.

Humidity

In Leckie, the average relative humidity in September is 39%.

Rainfall

In September, in Leckie, the rain falls for 6.8 days. Throughout September, 0.75" (19mm) of precipitation is accumulated. Throughout the year, there are 102.2 rainfall days, and 10.75" (273mm) of precipitation is accumulated.

Snowfall

January through June, September through December are months with snowfall in Leckie. September is the first month it typically snows. Throughout September, in the average 0.8 snowfall days, it receives 0.39" (10mm) of snow. In Leckie, Wyoming, during the entire year, snow falls for 87 days and aggregates up to 42.13" (1070mm) of snow.

Daylight

The average length of the day in September is 12h and 28min.
On the first day of September, sunrise is at 6:42 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 6:59 pm MDT.

Sunshine

In September, the average sunshine is 10.6h.

UV index

The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: The daily high UV index of 4 in September translates into this advice:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Updated: Jun 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in September?

An average high-temperature, in September, in Leckie, is 67.6°F (19.8°C) and the average low-temperature is 46.8°F (8.2°C).

What is the average humidity in September?

In September, the average relative humidity is 39%.

How many days does it rain in September?

In September, the rain falls for 6.8 days. Throughout September, 0.75" (19mm) of precipitation is accumulated.

When does it start snowing?

September is the first month it typically snows. Throughout September, in the average 0.8 snowfall days, it receives 0.39" (10mm) of snow.

What is the average length of the day in September?

The average day length in September is 12h and 28min.

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 7:50 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 6:59 pm MDT.

How long on average sun shines in September?

The average sunshine duration in September is 10.6h.

What is the UV index intensity in September?

In Leckie, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unsafe 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
Leckie, WY

Average temperature in September - Leckie, WY
  • Average high temperature in September: 67.6°F

The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is December (23.9°F).

  • Average low temperature in September: 46.8°F

The month with the highest average low temperature is July (55.2°F).
The coldest month (with the lowest average low temperature) is January (5.4°F).

Average pressure in September
Leckie, WY

Average pressure in September - Leckie, WY
  • Average pressure in September: 29.99"Hg

The month with the highest atmospheric pressure is January (30.27"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in September
Leckie, WY

Average wind speed in September - Leckie, WY
  • Average wind speed in September: 6.8mph

The windiest month (with the highest average wind speed) is June (8.1mph).
The calmest month (with the lowest average wind speed) is December (5.8mph).

Average humidity in September
Leckie, WY

Average humidity in September - Leckie, WY
  • Average humidity in September: 39%

The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is August (34%).

Average rainfall in September
Leckie, WY

Average rainfall in September - Leckie, WY
  • Average rainfall in September: 0.75"

The wettest month (with the highest rainfall) is May (1.73").
The driest month (with the least rainfall) is August (0.51").

Average rainfall days in September
Leckie, WY

Average rainfall days in September - Leckie, WY
  • Average rainfall days in September: 6.8 days

The month with the highest number of rainy days is May (15.2 days).
The month with the least rainy days is January (5.5 days).

Average snowfall in September
Leckie, WY

Average snowfall in September - Leckie, WY
  • Average snowfall in September: 0.39"

The month with the highest snowfall is February (7.32").
The months with the least snowfall are July and August (0").

Average snowfall days in September
Leckie, WY

Average snowfall days in September - Leckie, WY
  • Average snowfall days in September: 0.8 days

The month with the highest number of snowfall days is March (15.7 days).
The months with the least snowfall days are July and August (0 days).

Average daylight in September /
Average sunshine in September
Leckie, WY

Average daylight in September / Average sunshine in September - Leckie, WY
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in September: 10h and 4min

The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The months with the least sunshine are January and December (Average sunshine: 6h and 18min).

Average sunshine days in September
Leckie, WY

Average sunshine days in September - Leckie, WY
  • Average sunshine days in September: 19.1 days

The month with the most sunshine days is January (19.8 days).
The month with the least sunshine days is May (9.7 days).

Average UV index in September
Leckie, WY

Average UV index in September - Leckie, WY
  • Average UV index in September: 4

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
Leckie, WY

Average cloud cover in September - Leckie, WY
  • Average cloud cover in September: 13

The month with the most cloud cover is February (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 11).

Average visibility in September
Leckie, WY

Average visibility in September - Leckie, WY
  • 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 and February (4mi).

Leckie, Wyoming, USA

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