September weather forecast and climate
Hillrose, CO

Weather in September

September, the first month of the autumn, in Hillrose, is also a moderately hot month, with average temperature fluctuating between 56.3°F (13.5°C) and 79.5°F (26.4°C).

Temperature

In September, the average high-temperature slightly decreases, from a tropical 86.7°F (30.4°C) in August, to a warm 79.5°F (26.4°C). The average low-temperature,, is 56.3°F (13.5°C).

Humidity

August and September, with an average relative humidity of 45%, are the least humid months.

Rainfall

In Hillrose, Colorado, in September, during 8.5 rainfall days, 0.71" (18mm) of precipitation is typically accumulated. In Hillrose, during the entire year, the rain falls for 104 days and collects up to 12.09" (307mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

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

Sunshine

In September, the average sunshine in Hillrose is 10.6h.

UV index

In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from the exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 5 interpret into the following advice:
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. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
[Resources]

FAQ

What is the least humid month in Hillrose?

August and September, with an average relative humidity of 45%, are the least humid months in Hillrose.

What is the average humidity in September in Hillrose?

In September, the average relative humidity is 45%.

How many days does it rain in September in Hillrose?

In Hillrose, during September, the rain falls for 8.5 days and regularly aggregates up to 0.71" (18mm) of precipitation.

When it does not snow in Hillrose?

June through September are months without snowfall in Hillrose, Colorado.

Does it snow in Hillrose in September?

In Hillrose, Colorado, in September, it doesn't snow. In October, it regularly snows.

How many hours of daylight does Hillrose have in September?

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

How many hours of sunshine does Hillrose have in September?

In Hillrose, Colorado, the average sunshine in September is 10.6h.

What is the UV index intensity in September in Hillrose?

In Hillrose, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health risk from unsafe exposure to the Sun's UV rays.

Average temperature in September
Hillrose, CO

Average temperature in September - Hillrose, CO
  • Average high temperature in September: 79.5°F

The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is December (38.7°F).

  • Average low temperature in September: 56.3°F

The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is December (22.5°F).

[Resources]

Average pressure in September
Hillrose, CO

Average pressure in September - Hillrose, CO
  • Average pressure in September: 29.95"

The month with the highest atmospheric pressure is January (30.11").
The month with the lowest atmospheric pressure is June (29.85").

[Resources]

Average wind speed in September
Hillrose, CO

Average wind speed in September - Hillrose, CO
  • Average wind speed in September: 8.5mph

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is December (7.8mph).

[Resources]

Average humidity in September
Hillrose, CO

Average humidity in September - Hillrose, CO
  • Average humidity in September: 45%

The month with the highest relative humidity is January (64%).
Months with the lowest relative humidity are August and September (45%).

[Resources]

Average rainfall in September
Hillrose, CO

Average rainfall in September - Hillrose, CO
  • Average rainfall in September: 0.71"

The wettest month (with the highest rainfall) is May (2.2").
The driest months (with the least rainfall) are January and December (0.39").

[Resources]

Average rainfall days in September
Hillrose, CO

Average rainfall days in September - Hillrose, CO
  • Average rainfall days in September: 8.5 days

The month with the highest number of rainy days is July (14.4 days).
The month with the least rainy days is November (2.9 days).

[Resources]

Average snowfall in September
Hillrose, CO

Average snowfall in September - Hillrose, CO
  • Average snowfall in September: 0"

The month with the highest snowfall is February (2.64").
Months with the least snowfall are June, July, August and September (0").

[Resources]

Average snowfall days in September
Hillrose, CO

Average snowfall days in September - Hillrose, CO
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (8.1 days).
Months with the least snowfall days are June, July, August and September (0 days).

[Resources]

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

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

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in September: 10.6h

Months with the most sunshine are June, July and August (Average sunshine: 11.8h).
Months with the least sunshine are February and December (Average sunshine: 6.5).

[Resources]

Average sunshine days in September
Hillrose, CO

Average sunshine days in September - Hillrose, CO
  • Average sunshine days in September: 18.6 days

The month with the most sunshine days is November (23.4 days).
The month with the least sunshine days is July (12.8 days).

[Resources]

Average UV index in September
Hillrose, CO

Average UV index in September - Hillrose, CO
  • Average UV index in September: 5

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 2).

[Resources]

Average cloud cover in September
Hillrose, CO

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

The month with the most cloud cover is February (Cloud cover 31).
The month with the least cloud cover is August (Cloud cover 16).

[Resources]

Average visibility in September
Hillrose, CO

Average visibility in September - Hillrose, 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).

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location