September weather forecast
Avondale, CO

Share

Weather in September

September, the first month of the autumn in Avondale, is still a warm month, with temperature in the range of an average high of 80.1°F (26.7°C) and an average low of 58.5°F (14.7°C).

Temperature

September's arrival aligns with a minor decrease in average high-temperatures, from August's hot 87.4°F (30.8°C) to a moderately hot 80.1°F (26.7°C). Avondale's average low-temperature of 58.5°F (14.7°C) in September reflects a significant disparity from the daytime highs.

Humidity

In September, the average relative humidity is 41%.

Rainfall

In Avondale, during September, the rain falls for 7.6 days and regularly aggregates up to 0.55" (14mm) of precipitation. In Avondale, during the entire year, the rain falls for 83.6 days and collects up to 9.29" (236mm) of precipitation.

Snowfall

In Avondale, snow does not fall in June through September.

Daylight

The average length of the day in September is 12h and 25min.
On the first day of the month, sunrise is at 6:27 am and sunset at 7:26 pm. On the last day of September, sunrise is at 6:52 am and sunset at 6:41 pm MDT.

Sunshine

The average sunshine in September is 10.9h.

UV index

In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum UV index of 5 during September translates into these guidelines:
Guard yourself - An obligation to protect skin and eyes from harm exists. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

Frequently asked questions

What are the temperatures in September?

An average high-temperature, in September, in Avondale, is 80.1°F (26.7°C) and the average low-temperature is 58.5°F (14.7°C). In August, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is evaluated at 87.8°F (31°C).

What is the average humidity in September?

The average relative humidity in September is 41%.

How many days does it rain in September?

In Avondale, in September, it is raining for 7.6 days, with typically 0.55" (14mm) of accumulated precipitation.

When it does not snow?

In Avondale, snow does not fall in June through September.

Does it snow in September?

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

How many hours of daylight does Avondale have in September?

In Avondale, the average day length in September is 12h and 25min.

When is the sunrise / sunset in September?

In September, on the first day of the month, sunrise is at 6:27 am and sunset at 7:26 pm. On the last day of the month, in Avondale, sunrise is at 6:52 am and sunset at 6:41 pm MDT.

How long on average sun shines in September?

The average sunshine duration in September is 10.9h.

What is the UV index intensity in September?

In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Avondale, CO

Average temperature in September - Avondale, CO
  • Average high temperature in September: 80.1°F

The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is December (43°F).

  • Average low temperature in September: 58.5°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is December (24.4°F).

Average pressure in September
Avondale, CO

Average pressure in September - Avondale, CO
  • Average pressure in September: 30"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is April (29.88"Hg).

Average wind speed in September
Avondale, CO

Average wind speed in September - Avondale, CO
  • Average wind speed in September: 7.5mph

The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest month (with the lowest average wind speed) is December (7.1mph).

Average humidity in September
Avondale, CO

Average humidity in September - Avondale, CO
  • Average humidity in September: 41%

The month with the highest relative humidity is February (59%).
The month with the lowest relative humidity is June (36%).

Average rainfall in September
Avondale, CO

Average rainfall in September - Avondale, CO
  • Average rainfall in September: 0.55"

The wettest month (with the highest rainfall) is July (1.81").
The driest month (with the least rainfall) is December (0.28").

Average rainfall days in September
Avondale, CO

Average rainfall days in September - Avondale, CO
  • Average rainfall days in September: 7.6 days

The month with the highest number of rainy days is July (14 days).
The month with the least rainy days is November (2.3 days).

Average snowfall in September
Avondale, CO

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

The month with the highest snowfall is February (3.23").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Avondale, CO

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

The month with the highest number of snowfall days is February (6.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Avondale, 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 36min).

  • Average sunshine in September: 10h and 5min

The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is February (Average sunshine: 6h and 42min).

Average sunshine days in September
Avondale, CO

Average sunshine days in September - Avondale, CO
  • Average sunshine days in September: 19.5 days

The month with the most sunshine days is December (25.1 days).
The month with the least sunshine days is July (12.3 days).

Average UV index in September
Avondale, CO

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

The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in September
Avondale, CO

Average cloud cover in September - Avondale, CO
  • Average cloud cover in September: 15

The month with the most cloud cover is February (Cloud cover 24).
The month with the least cloud cover is June (Cloud cover 14).

Average visibility in September
Avondale, CO

Average visibility in September - Avondale, 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).

Avondale, Colorado, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location