September weather forecast and climate
Victor, CO

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

September, the first month of the autumn, in Victor, is also an agreeable month, with average temperature fluctuating between 48.2°F (9°C) and 70.9°F (21.6°C).

Temperature

In Victor, the average high-temperature marginally drops, from a warm 77.2°F (25.1°C) in August, to an agreeable 70.9°F (21.6°C). The average low-temperature, in September, is 48.2°F (9°C).

Humidity

In September, the average relative humidity is 51%.

Rainfall

In Victor, during 10.5 rainfall days, 1.3" (33mm) of precipitation is typically 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. September is the first month it typically snows. Throughout September, in the average 0.2 snowfall days, it receives 0.04" (1mm) of snow. In Victor, during the entire year, snow falls for 56.2 days, and aggregates up to 42.13" (1070mm) of snow.

Daylight

In September, the average length of the day is 12.4h.

Sunshine

In Victor, the average sunshine is 10.9h.

UV index

In Victor, Colorado, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from the exposure to the Sun's UV radiation for the ordinary person.
Note: The average daily UV index of 4 in September transform into the following instructions:
Take precautions - Protection against the skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in September in Victor?

In Victor, in September, 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?

The average relative humidity in September in Victor is 51%.

How many days does it rain in September in Victor?

In Victor, Colorado, during September, the rain falls for 10.5 days and regularly aggregates up to 1.3" (33mm) of precipitation.

When does it start to snow 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 length of the day in September in Victor, Colorado, is 12.4h.

How long on average sun shines in September in Victor?

The average sunshine in September is 10.9h.

What is the UV index reading in September in Victor?

In September, the average daily maximum UV index in Victor is 4. A UV Index reading of 3 to 5 represents a moderate health threat from the exposure to the Sun's UV radiation.

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"

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

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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").
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).
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: 12.4h

The month with the longest days is June (Average daylight: 14.8h).
The month with the shortest days is December (Average daylight: 9.5h).

  • Average sunshine in September: 10.9h

Months with the most sunshine are June and August (Average sunshine: 11.7h).
The month with the least sunshine is February (Average sunshine: 6.6h).

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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

Months with the highest UV index are June, July and August (UV index 5).
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).
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

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

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