September weather forecast
Old Haymaker Place, WY

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Weather in September

September, the first month of the autumn in Old Haymaker Place, is still a pleasant month, with an average temperature ranging between min 45.3°F (7.4°C) and max 68.2°F (20.1°C).

Temperature

Old Haymaker Place's progression into September involves a gentle drop in the average high-temperature, from a moderately hot 76.3°F (24.6°C) in August to an agreeable 68.2°F (20.1°C). A steep decline to a frosty 45.3°F (7.4°C) characterizes the September nights in Old Haymaker Place.

Humidity

In September, the average relative humidity is 44%.

Rainfall

In Old Haymaker Place, in September, it is raining for 9.1 days, with typically 0.79" (20mm) of accumulated precipitation. In Old Haymaker Place, Wyoming, during the entire year, the rain falls for 105.6 days and collects up to 13.94" (354mm) of precipitation.

Snowfall

January through June, September through December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 0.5 snowfall days, it receives 0.24" (6mm) of snow. In Old Haymaker Place, during the entire year, snow falls for 100.7 days and aggregates up to 54.45" (1383mm) of snow.

Daylight

In Old Haymaker Place, Wyoming, the average length of the day in September is 12h and 28min.
On the first day of the month, sunrise is at 6:34 am and sunset at 7:40 pm. On the last day of September, in Old Haymaker Place, sunrise is at 7:04 am and sunset at 6:50 pm MDT.

Sunshine

The average sunshine in September in Old Haymaker Place is 11h.

UV index

In Old Haymaker Place, Wyoming, 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 radiation for the ordinary person.
Note: An average maximum UV index of 4 in September leads to these recommendations:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
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Frequently asked questions

What is the usual temperature for Old Haymaker Place in September?

The high-temperature, in September, in Old Haymaker Place, is 68.2°F (20.1°C), while the low-temperature averages to 45.3°F (7.4°C).

What is the average humidity in September in Old Haymaker Place?

The average relative humidity in September is 44%.

How much does it rain in Old Haymaker Place in September?

In Old Haymaker Place, Wyoming, during September, the rain falls for 9.1 days and regularly aggregates up to 0.79" (20mm) of precipitation.

When does it start snowing in Old Haymaker Place?

September is the first month it typically snows in Old Haymaker Place. Throughout September, in the average 0.5 snowfall days, it receives 0.24" (6mm) of snow.

How many hours of daylight does Old Haymaker Place have in September?

In Old Haymaker Place, Wyoming, the average day length in September is 12h and 28min.

When is the sunrise / sunset in September in Old Haymaker Place?

On the first day of September in Old Haymaker Place, Wyoming, sunrise is at 6:34 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 6:50 pm MDT.

How long on average sun shines in September in Old Haymaker Place?

In September, the average sunshine duration is 11h.

How high is the UV index in September in Old Haymaker Place?

The average daily maximum UV index in September in Old Haymaker Place is 4. A UV Index reading of 3 to 5 represents a medium hazard to health 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
Old Haymaker Place, WY

Average temperature in September - Old Haymaker Place, WY
  • Average high temperature in September: 68.2°F

The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is December (25.7°F).

  • Average low temperature in September: 45.3°F

The month with the highest average low temperature is July (52.3°F).
The coldest months (with the lowest average low temperature) are January and December (12.9°F).

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Average pressure in September
Old Haymaker Place, WY

Average pressure in September - Old Haymaker Place, WY
  • Average pressure in September: 29.98"Hg

The month with the highest atmospheric pressure is January (30.23"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

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Average wind speed in September
Old Haymaker Place, WY

Average wind speed in September - Old Haymaker Place, WY
  • Average wind speed in September: 10.1mph

The windiest month (with the highest average wind speed) is November (11.8mph).
The calmest month (with the lowest average wind speed) is July (9.1mph).

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Average humidity in September
Old Haymaker Place, WY

Average humidity in September - Old Haymaker Place, WY
  • Average humidity in September: 44%

The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is August (41%).

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Average rainfall in September
Old Haymaker Place, WY

Average rainfall in September - Old Haymaker Place, WY
  • Average rainfall in September: 0.79"

The wettest month (with the highest rainfall) is April (1.97").
The driest month (with the least rainfall) is August (0.75").

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Average rainfall days in September
Old Haymaker Place, WY

Average rainfall days in September - Old Haymaker Place, WY
  • Average rainfall days in September: 9.1 days

The month with the highest number of rainy days is May (14.7 days).
The month with the least rainy days is November (4.9 days).

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Average snowfall in September
Old Haymaker Place, WY

Average snowfall in September - Old Haymaker Place, WY
  • Average snowfall in September: 0.24"

The month with the highest snowfall is April (9.76").
The months with the least snowfall are July and August (0").

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Average snowfall days in September
Old Haymaker Place, WY

Average snowfall days in September - Old Haymaker Place, WY
  • Average snowfall days in September: 0.5 days

The month with the highest number of snowfall days is February (17.1 days).
The months with the least snowfall days are July and August (0 days).

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Average daylight in September /
Average sunshine in September
Old Haymaker Place, WY

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

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in September: 11h and 0min

The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 30min).

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Average sunshine days in September
Old Haymaker Place, WY

Average sunshine days in September - Old Haymaker Place, WY
  • Average sunshine days in September: 16.3 days

The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is February (9.4 days).

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Average UV index in September
Old Haymaker Place, WY

Average UV index in September - Old Haymaker Place, WY
  • Average UV index in September: 4

The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in September
Old Haymaker Place, WY

Average cloud cover in September - Old Haymaker Place, WY
  • Average cloud cover in September: 14

The month with the most cloud cover is February (Cloud cover 47).
The months with the least cloud cover are August and September (Cloud cover 14).

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Average visibility in September
Old Haymaker Place, WY

Average visibility in September - Old Haymaker Place, WY
  • Average visibility in September: 6mi

The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).

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Old Haymaker Place, Wyoming, USA

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