September weather forecast
Victor, CO

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Paths and left structures of a former gold mine in the hilly region of Victor, Colorado
Paths and left structures of a former gold mine in the hilly region of Victor, Colorado

Weather in September

The first month of the autumn, September, is still a pleasant month in Victor, Colorado, with an average temperature fluctuating between 48.2°F (9°C) and 70.9°F (21.6°C).

Temperature

Transition into September subtly marks a drop in the average high-temperature, moderately moving from a moderately hot 77.2°F (25.1°C) in August to a pleasant 70.9°F (21.6°C). With the onset of night in September, Victor reveals a significant decrease in temperature, averaging at a frosty 48.2°F (9°C).

Humidity

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

Rainfall

In September, the rain falls for 10.5 days. Throughout September, 1.3" (33mm) of precipitation is accumulated. In Victor, during the entire year, the rain falls for 120.3 days and collects up to 18.7" (475mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall in Victor. September is the first month it typically snows in Victor. Throughout September, in the average 0.2 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, in Victor, there are 56.2 snowfall days, and 42.13" (1070mm) of snow is accumulated.

Daylight

The average length of the day in September is 12h and 25min.
On the first day of the month, sunrise is at 6:30 am and sunset at 7:30 pm. On the last day of September, sunrise is at 6:56 am and sunset at 6:44 pm MDT.

Sunshine

In Victor, the average sunshine in September is 10.9h.

UV index

The average daily maximum UV index in September in Victor is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: A maximum daily UV index of 4 during September morphs into the following directions:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
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Frequently asked questions

What is the temperature in September in Victor?

In September, in Victor, the average high-temperature is 70.9°F (21.6°C), and the average low-temperature is 48.2°F (9°C).

What is the average humidity in September in Victor?

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

How much does it rain in Victor in September?

In September, in Victor, the rain falls for 10.5 days. Throughout September, 1.3" (33mm) of precipitation is accumulated.

When does it start snowing in Victor?

September is the first month it typically snows. Throughout September, in the average 0.2 snowfall days, it receives 0.04" (1mm) of snow.

How many hours of daylight does Victor have in September?

The average day length in September in Victor, Colorado, is 12h and 25min.

What time are sunrise and sunset in September in Victor?

In September, on the first day of the month, sunrise is at 6:30 am and sunset at 7:30 pm. On the last day of the month, in Victor, Colorado, sunrise is at 6:56 am and sunset at 6:44 pm MDT.

How long on average sun shines in September in Victor?

In September, the average sunshine duration in Victor, Colorado, is 10.9h.

How high is the UV index in September in Victor?

In Victor, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat 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
Victor, CO

Average temperature in September - Victor, CO
  • Average high temperature in September: 70.9°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 (37.2°F).

  • Average low temperature in September: 48.2°F

The month with the highest average low temperature is July (54.7°F).
The coldest month (with the lowest average low temperature) is December (18.3°F).

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Average pressure in September
Victor, CO

Average pressure in September - Victor, CO
  • Average pressure in September: 30.02"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is April (29.91"Hg).

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Average wind speed in September
Victor, CO

Average wind speed in September - Victor, CO
  • Average wind speed in September: 6.5mph

The windiest month (with the highest average wind speed) is April (8.2mph).
The calmest month (with the lowest average wind speed) is August (6mph).

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Average humidity in September
Victor, CO

Average humidity in September - Victor, CO
  • Average humidity in September: 51%

The month with the highest relative humidity is February (67%).
The month with the lowest relative humidity is June (46%).

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Average rainfall in September
Victor, CO

Average rainfall in September - Victor, CO
  • Average rainfall in September: 1.3"

The wettest month (with the highest rainfall) is July (3.27").
The driest months (with the least rainfall) are November and December (0.63").

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Average rainfall days in September
Victor, CO

Average rainfall days in September - Victor, CO
  • Average rainfall days in September: 10.5 days

The month with the highest number of rainy days is July (19.6 days).
The month with the least rainy days is February (3.5 days).

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Average snowfall in September
Victor, CO

Average snowfall in September - Victor, CO
  • Average snowfall in September: 0.04"

The month with the highest snowfall is February (7.2").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in September
Victor, CO

Average snowfall days in September - Victor, CO
  • Average snowfall days in September: 0.2 days

The month with the highest number of snowfall days is February (10.8 days).
The months with the least snowfall days are June, July and August (0 days).

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Average daylight in September /
Average sunshine in September
Victor, CO

Average daylight in September / Average sunshine in September - Victor, CO
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in September: 10h and 5min

The months with the most sunshine are June and August (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 6h and 36min).

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Average sunshine days in September
Victor, CO

Average sunshine days in September - Victor, CO
  • Average sunshine days in September: 17.2 days

The month with the most sunshine days is November (22.3 days).
The month with the least sunshine days is July (8.6 days).

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Average UV index in September
Victor, CO

Average UV index in September - Victor, CO
  • Average UV index in September: 4

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, October, November and December (UV index 2).

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Average cloud cover in September
Victor, CO

Average cloud cover in September - Victor, CO
  • Average cloud cover in September: 17

The month with the most cloud cover is April (Cloud cover 29).
The months with the least cloud cover are September and November (Cloud cover 17).

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Average visibility in September
Victor, CO

Average visibility in September - Victor, CO
  • 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).

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Victor, Colorado, USA

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