September weather forecast and climate
San Pablo, CO

Weather in September

September, the first month of the autumn, in San Pablo, is also an agreeable month, with average temperature varying between 43.7°F (6.5°C) and 68.5°F (20.3°C).

Temperature

In September, the average high-temperature marginally drops, from a moderately hot 74.8°F (23.8°C) in August, to an agreeable 68.5°F (20.3°C). In September, in San Pablo, the average low-temperature is 43.7°F (6.5°C).

Humidity

In September, the average relative humidity is 51%.

Rainfall

In San Pablo, Colorado, in September, during 7.1 rainfall days, 0.59" (15mm) of precipitation is typically accumulated. In San Pablo, Colorado, during the entire year, the rain falls for 72.2 days and collects up to 8.82" (224mm) of precipitation.

Snowfall

January through June, September through December are months with snowfall in San Pablo, Colorado. September is the first month it typically snows in San Pablo. Throughout September, in the average 0.4 snowfall days, it receives 0.2" (5mm) of snow. Throughout the year, in San Pablo, there are 57.6 snowfall days, and 28.58" (726mm) of snow is accumulated.

Daylight

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

Sunshine

In September, the average sunshine is 11h.

UV index

In San Pablo, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from the exposure to the Sun's UV rays for ordinary individuals.
Note: In September, the average maximum UV index of 4 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. 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. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in September in San Pablo?

In September, in San Pablo, the average high-temperature is 68.5°F (20.3°C), and the average low-temperature is 43.7°F (6.5°C).

What is the average humidity in September in San Pablo?

In September, the average relative humidity is 51%.

How much does it rain in San Pablo in September?

In San Pablo, Colorado, during September, the rain falls for 7.1 days and regularly aggregates up to 0.59" (15mm) of precipitation.

When does it start snowing in San Pablo?

September is the first month it typically snows. Throughout September, in the average 0.4 snowfall days, it receives 0.2" (5mm) of snow.

How many hours of daylight does San Pablo have in September?

In September, the average length of the day in San Pablo, Colorado, is 12.4h.

How many hours of sunshine does San Pablo have in September?

The average sunshine in September in San Pablo is 11h.

How high is the UV index in September in San Pablo?

In San Pablo, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat from the exposure to the Sun's UV rays.

Average temperature in September
San Pablo, CO

Average temperature in September - San Pablo, CO
  • Average high temperature in September: 68.5°F

The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is January (30.6°F).

  • Average low temperature in September: 43.7°F

The month with the highest average low temperature is July (50.2°F).
The coldest month (with the lowest average low temperature) is January (9.3°F).

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Average pressure in September
San Pablo, CO

Average pressure in September - San Pablo, CO
  • Average pressure in September: 30.03"

The month with the highest atmospheric pressure is January (30.15").
The month with the lowest atmospheric pressure is April (29.89").

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Average wind speed in September
San Pablo, CO

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

The windiest months (with the highest average wind speed) are April and May (8.9mph).
The calmest month (with the lowest average wind speed) is July (5.5mph).

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Average humidity in September
San Pablo, CO

Average humidity in September - San Pablo, CO
  • Average humidity in September: 51%

The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is June (38%).

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Average rainfall in September
San Pablo, CO

Average rainfall in September - San Pablo, CO
  • Average rainfall in September: 0.59"

The wettest month (with the highest rainfall) is July (1.61").
The driest month (with the least rainfall) is November (0.43").

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Average rainfall days in September
San Pablo, CO

Average rainfall days in September - San Pablo, CO
  • Average rainfall days in September: 7.1 days

The month with the highest number of rainy days is July (13.9 days).
The month with the least rainy days is November (1.3 days).

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Average snowfall in September
San Pablo, CO

Average snowfall in September - San Pablo, CO
  • Average snowfall in September: 0.2"

The month with the highest snowfall is March (5.55").
Months with the least snowfall are July and August (0").

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Average snowfall days in September
San Pablo, CO

Average snowfall days in September - San Pablo, CO
  • Average snowfall days in September: 0.4 days

The month with the highest number of snowfall days is February (10.1 days).
Months with the least snowfall days are July and August (0 days).

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Average daylight in September /
Average sunshine in September
San Pablo, CO

Average daylight in September / Average sunshine in September - San Pablo, 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: 11h

The month with the most sunshine is June (Average sunshine: 11.8h).
The month with the least sunshine is January (Average sunshine: 6.5h).

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Average sunshine days in September
San Pablo, CO

Average sunshine days in September - San Pablo, CO
  • Average sunshine days in September: 20.5 days

The month with the most sunshine days is October (24.1 days).
The month with the least sunshine days is July (13.3 days).

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Average UV index in September
San Pablo, CO

Average UV index in September - San Pablo, 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, March, October, November and December (UV index 2).

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Average cloud cover in September
San Pablo, CO

Average cloud cover in September - San Pablo, CO
  • Average cloud cover in September: 15

The month with the most cloud cover is January (Cloud cover 31).
Months with the least cloud cover are June and October (Cloud cover 14).

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Average visibility in September
San Pablo, CO

Average visibility in September - San Pablo, CO
  • Average visibility in September: 6mi

Months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).

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