September weather forecast
Cora, WY

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Weather in September

September marks the arrival of fall in Cora with noticeable changes in weather conditions. There is a slight increase in the amount of rainfall to 0.83" (21mm) and temperatures begin to fall from the summer highs. Leaves start to change color in hues of red, orange, and yellow, presenting a picturesque landscape. It also signifies the comencement of the harvest season and is a beautiful time for long walks and drives. Despite the lowering temperatures, the city is vibrant with fall colors and the rustling of leaves underfoot.

Temperature

September implies a soft temperature shift, with average high-temperatures reducing from August's warm 75°F (23.9°C) to a comfortable 66.4°F (19.1°C). Cora registers a significant drop in temperature in September, with average nighttime lows of 44.1°F (6.7°C).

Humidity

The average relative humidity in September is 44%.

Rainfall

In Cora, in September, during 8.8 rainfall days, 0.83" (21mm) of precipitation is typically accumulated. Throughout the year, in Cora, there are 109.9 rainfall days, and 10.59" (269mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through June, September through December. September is the first month it typically snows. Throughout September, in the average 0.7 snowfall days, it receives 0.59" (15mm) of snow. In Cora, during the entire year, snow falls for 89 days and aggregates up to 43.43" (1103mm) of snow.

Daylight

In September, the average length of the day in Cora, Wyoming, is 12h and 29min.
On the first day of the month, sunrise is at 6:45 am and sunset at 7:53 pm. On the last day of September, in Cora, Wyoming, sunrise is at 7:16 am and sunset at 7:02 pm MDT.

Sunshine

In Cora, the average sunshine in September is 10.7h.

UV index

The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum high UV index of 3 in September translates into the following recommendations:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
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Frequently asked questions

What is the average September temperature in Cora?

An average high-temperature, in September, in Cora, is 66.4°F (19.1°C) and the average low-temperature is 44.1°F (6.7°C).

What is the average humidity in September in Cora?

In Cora, Wyoming, the average relative humidity in September is 44%.

How many days does it rain in September in Cora?

In September, the rain falls for 8.8 days. Throughout September, 0.83" (21mm) of precipitation is accumulated.

When does it start to snow in Cora?

September is the first month it typically snows in Cora, Wyoming. Throughout September, in the average 0.7 snowfall days, it receives 0.59" (15mm) of snow.

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

The average day length in September is 12h and 29min.

When is the sunrise / sunset in September in Cora?

On the first day of September, sunrise is at 6:45 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 7:02 pm MDT.

How many hours of sunshine does Cora have in September?

In September, the average sunshine duration in Cora, Wyoming, is 10.7h.

What is the UV index intensity in September in Cora?

In September, the average daily maximum UV index in Cora, Wyoming, is 3. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to the Sun's 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
Cora, WY

Average temperature in September - Cora, WY
  • Average high temperature in September: 66.4°F

The warmest month (with the highest average high temperature) is July (76.8°F).
The month with the lowest average high temperature is December (23.7°F).

  • Average low temperature in September: 44.1°F

The month with the highest average low temperature is July (52°F).
The coldest month (with the lowest average low temperature) is December (5°F).

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Average pressure in September
Cora, WY

Average pressure in September - Cora, WY
  • Average pressure in September: 29.98"Hg

The month with the highest atmospheric pressure is January (30.28"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in September
Cora, WY

Average wind speed in September - Cora, WY
  • Average wind speed in September: 5.8mph

The windiest month (with the highest average wind speed) is June (7mph).
The calmest month (with the lowest average wind speed) is December (5.3mph).

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Average humidity in September
Cora, WY

Average humidity in September - Cora, WY
  • Average humidity in September: 44%

The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is August (39%).

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Average rainfall in September
Cora, WY

Average rainfall in September - Cora, WY
  • Average rainfall in September: 0.83"

The wettest month (with the highest rainfall) is May (1.65").
The driest months (with the least rainfall) are July and August (0.63").

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Average rainfall days in September
Cora, WY

Average rainfall days in September - Cora, WY
  • Average rainfall days in September: 8.8 days

The month with the highest number of rainy days is May (14.3 days).
The month with the least rainy days is November (6.9 days).

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Average snowfall in September
Cora, WY

Average snowfall in September - Cora, WY
  • Average snowfall in September: 0.59"

The month with the highest snowfall is April (7.36").
The months with the least snowfall are July and August (0").

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Average snowfall days in September
Cora, WY

Average snowfall days in September - Cora, WY
  • Average snowfall days in September: 0.7 days

The months with the highest number of snowfall days are February and March (15.1 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
Cora, WY

Average daylight in September / Average sunshine in September - Cora, 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 month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 12min).

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Average sunshine days in September
Cora, WY

Average sunshine days in September - Cora, WY
  • Average sunshine days in September: 17.5 days

The month with the most sunshine days is October (19.6 days).
The month with the least sunshine days is May (10.9 days).

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Average UV index in September
Cora, WY

Average UV index in September - Cora, WY
  • Average UV index in September: 3

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).

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Average cloud cover in September
Cora, WY

Average cloud cover in September - Cora, WY
  • Average cloud cover in September: 14

The month with the most cloud cover is February (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 12).

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Average visibility in September
Cora, WY

Average visibility in September - Cora, 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).

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Cora, Wyoming, USA

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