September weather forecast
Stratmoor Hills, CO

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Weather in September

The first month of the autumn, September, is still a warm month in Stratmoor Hills, Colorado, with an average temperature fluctuating between 73.4°F (23°C) and 51.3°F (10.7°C).

Temperature

With the arrival of September, Stratmoor Hills experiences a modest decline in average high-temperatures, transitioning from 79.5°F (26.4°C) in August to a still warm 73.4°F (23°C). A significant temperature decrease to an average a fresh 51.3°F (10.7°C) characterizes Stratmoor Hills's nighttime temperatures during September.

Humidity

In Stratmoor Hills, the average relative humidity in September is 48%.

Rainfall

In Stratmoor Hills, during September, the rain falls for 12.1 days and regularly aggregates up to 1.02" (26mm) of precipitation. In Stratmoor Hills, during the entire year, the rain falls for 104.4 days and collects up to 11.26" (286mm) of precipitation.

Snowfall

In Stratmoor Hills, snow does not fall in June through September.

Daylight

The average length of the day in September in Stratmoor Hills is 12h and 25min.
On the first day of September, sunrise is at 6:28 am and sunset at 7:28 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 6:42 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 estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: The UV index of 5 in September translates into these instructions:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Enhance your sun protection with tightly woven, yet airy clothing. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.

Frequently asked questions

What is the usual temperature for Stratmoor Hills in September?

An average high-temperature, in September, in Stratmoor Hills, is 73.4°F (23°C) and the average low-temperature is 51.3°F (10.7°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines relative humidity and air temperature, in July is appraised at 82.4°F (28°C).

What is the average humidity in September?

In Stratmoor Hills, the average relative humidity in September is 48%.

How many days does it rain in September?

In Stratmoor Hills, during September, the rain falls for 12.1 days and regularly aggregates up to 1.02" (26mm) of precipitation.

When it does not snow?

In Stratmoor Hills, snow does not fall in June through September.

Does it snow in September?

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

What is the average length of the day in September?

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

When are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:28 am and sunset at 7:28 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 6:42 pm MDT.

How many hours of sunshine does Stratmoor Hills have in September?

In September, the average sunshine duration is 10.9h.

What is the UV index intensity in September?

In Stratmoor Hills, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability from exposure to the Sun's UV radiation.
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
Stratmoor Hills, CO

Average temperature in September - Stratmoor Hills, CO
  • Average high temperature in September: 73.4°F

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is December (38.7°F).

  • Average low temperature in September: 51.3°F

The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is December (20.5°F).

Average pressure in September
Stratmoor Hills, CO

Average pressure in September - Stratmoor Hills, CO
  • Average pressure in September: 30.01"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is April (29.9"Hg).

Average wind speed in September
Stratmoor Hills, CO

Average wind speed in September - Stratmoor Hills, CO
  • Average wind speed in September: 7mph

The windiest month (with the highest average wind speed) is April (9.1mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).

Average humidity in September
Stratmoor Hills, CO

Average humidity in September - Stratmoor Hills, CO
  • Average humidity in September: 48%

The month with the highest relative humidity is February (64%).
The month with the lowest relative humidity is June (44%).

Average rainfall in September
Stratmoor Hills, CO

Average rainfall in September - Stratmoor Hills, CO
  • Average rainfall in September: 1.02"

The wettest month (with the highest rainfall) is July (2.72").
The driest months (with the least rainfall) are January and December (0.2").

Average rainfall days in September
Stratmoor Hills, CO

Average rainfall days in September - Stratmoor Hills, CO
  • Average rainfall days in September: 12.1 days

The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is December (1.8 days).

Average snowfall in September
Stratmoor Hills, CO

Average snowfall in September - Stratmoor Hills, CO
  • Average snowfall in September: 0"

The month with the highest snowfall is March (2.76").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Stratmoor Hills, CO

Average snowfall days in September - Stratmoor Hills, CO
  • Average snowfall days in September: 0.1 days

The month with the highest number of snowfall days is February (6.7 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in September /
Average sunshine in September
Stratmoor Hills, CO

Average daylight in September / Average sunshine in September - Stratmoor Hills, 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 30min).

  • Average sunshine in September: 10h and 5min

The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 48min).

Average sunshine days in September
Stratmoor Hills, CO

Average sunshine days in September - Stratmoor Hills, CO
  • Average sunshine days in September: 13.9 days

The month with the most sunshine days is December (25.3 days).
The month with the least sunshine days is July (6.8 days).

Average UV index in September
Stratmoor Hills, CO

Average UV index in September - Stratmoor Hills, CO
  • Average UV index in September: 5

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

Average cloud cover in September
Stratmoor Hills, CO

Average cloud cover in September - Stratmoor Hills, CO
  • Average cloud cover in September: 17

The month with the most cloud cover is April (Cloud cover 25).
The months with the least cloud cover are June, October and November (Cloud cover 16).

Average visibility in September
Stratmoor Hills, CO

Average visibility in September - Stratmoor Hills, 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).

Stratmoor Hills, Colorado, USA

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