September weather forecast and climate
Blanca, CO

Weather in September

September, the first month of the autumn, in Blanca, is still a pleasant month, with average temperature fluctuating between 72.1°F (22.3°C) and 45.3°F (7.4°C).

Temperature

In September, the average high-temperature marginally drops, from a moderately hot 78.6°F (25.9°C) in August, to an agreeable 72.1°F (22.3°C). The average low-temperature, in September, is 45.3°F (7.4°C).

Humidity

In September, the average relative humidity is 48%.

Rainfall

In Blanca, in September, it is raining for 6.8 days, with typically 0.91" (23mm) of accumulated precipitation. In Blanca, during the entire year, the rain falls for 79.8 days and collects up to 7.52" (191mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall in Blanca. September is the first month it typically snows. Throughout September, in the average 0.5 snowfall days, it receives 3.46" (88mm) of snow. Throughout the year, in Blanca, Colorado, there are 45.2 snowfall days, and 26.02" (661mm) of snow is accumulated.

Daylight

The average length of the day in Blanca, Colorado, is 12.4h.

Sunshine

The average sunshine in September is 11.1h.

UV index

In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 4 transform into the following instructions:
Take precautions - Protection against the skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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 Blanca?

In September, the average high-temperature is 72.1°F (22.3°C), and the average low-temperature is 45.3°F (7.4°C).

What is the average humidity in September in Blanca?

The average relative humidity in September is 48%.

How much does it rain in Blanca in September?

In Blanca, Colorado, in September, it is raining for 6.8 days, with typically 0.91" (23mm) of accumulated precipitation.

When does it start snowing in Blanca?

September is the first month it typically snows. Throughout September, in the average 0.5 snowfall days, it receives 3.46" (88mm) of snow.

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

The average length of the day in September is 12.4h.

How many hours of sunshine does Blanca have in September?

In Blanca, the average sunshine in September is 11.1h.

How high is the UV index in September in Blanca?

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

Average temperature in September
Blanca, CO

Average temperature in September - Blanca, CO
  • Average high temperature in September: 72.1°F

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (31.3°F).

  • Average low temperature in September: 45.3°F

The month with the highest average low temperature is July (50.5°F).
The coldest month (with the lowest average low temperature) is January (12°F).

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Average pressure in September
Blanca, CO

Average pressure in September - Blanca, CO
  • Average pressure in September: 30.05"

The month with the highest atmospheric pressure is January (30.17").
The month with the lowest atmospheric pressure is April (29.91").

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Average wind speed in September
Blanca, CO

Average wind speed in September - Blanca, CO
  • Average wind speed in September: 4.8mph

The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

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Average humidity in September
Blanca, CO

Average humidity in September - Blanca, CO
  • Average humidity in September: 48%

The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is June (37%).

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Average rainfall in September
Blanca, CO

Average rainfall in September - Blanca, CO
  • Average rainfall in September: 0.91"

The wettest month (with the highest rainfall) is May (1.02").
The driest months (with the least rainfall) are November and December (0.39").

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Average rainfall days in September
Blanca, CO

Average rainfall days in September - Blanca, CO
  • Average rainfall days in September: 6.8 days

The month with the highest number of rainy days is July (10.1 days).
The month with the least rainy days is November (3 days).

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Average snowfall in September
Blanca, CO

Average snowfall in September - Blanca, CO
  • Average snowfall in September: 3.46"

The month with the highest snowfall is March (3.98").
Months with the least snowfall are June, July and August (0").

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Average snowfall days in September
Blanca, CO

Average snowfall days in September - Blanca, CO
  • Average snowfall days in September: 0.5 days

The month with the highest number of snowfall days is February (9.3 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
Blanca, CO

Average daylight in September / Average sunshine in September - Blanca, CO
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.7h).
The month with the shortest days is December (Average daylight: 9.6h).

  • Average sunshine in September: 11.1h

The month with the most sunshine is June (Average sunshine: 12h).
Months with the least sunshine are January and December (Average sunshine: 6.8).

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Average sunshine days in September
Blanca, CO

Average sunshine days in September - Blanca, CO
  • Average sunshine days in September: 18.7 days

The month with the most sunshine days is November (23.5 days).
The month with the least sunshine days is April (16.9 days).

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Average UV index in September
Blanca, CO

Average UV index in September - Blanca, 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
Blanca, CO

Average cloud cover in September - Blanca, CO
  • Average cloud cover in September: 12

The month with the most cloud cover is January (Cloud cover 25).
Months with the least cloud cover are June, September, October and November (Cloud cover 12).

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Average visibility in September
Blanca, CO

Average visibility in September - Blanca, CO
  • Average visibility in September: 6mi

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

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