September weather forecastMoffat, CO

September

Weather in September

September, the first month of the autumn in Moffat, is also an agreeable month, with an average temperature ranging between min 43.7°F (6.5°C) and max 70.7°F (21.5°C).

Temperature

As September commences, the average high-temperature subtly reduces, transitioning from a warm 77.2°F (25.1°C) in August to an agreeable 70.7°F (21.5°C). A noteworthy temperature dip to a chilly 43.7°F (6.5°C) is observed during the nights of September.

Humidity

The average relative humidity in September is 50%.

Rainfall

In Moffat, in September, during 10.6 rainfall days, 0.75" (19mm) of precipitation is typically accumulated. In Moffat, during the entire year, the rain falls for 102.4 days and collects up to 9.13" (232mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in September is 12h and 25min.
On the first day of the month, sunrise is at 6:34 am and sunset at 7:32 pm. On the last day of September, sunrise is at 6:59 am and sunset at 6:47 pm MDT.

Sunshine

In September, the average sunshine is 11.3h.

UV index

In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily high UV index of 4 in September translates into this advice:
Adopt protective measures - Suggestions to resist sunburn are offered. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Stay sun-safe with clothing that is both closely woven and worn loosely.
Updated: Aug 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In Moffat, in September, the average high-temperature is 70.7°F (21.5°C), and the average low-temperature is 43.7°F (6.5°C).

In Moffat, the average relative humidity in September is 50%.

In Moffat, in September, it is raining for 10.6 days, with typically 0.75" (19mm) of accumulated precipitation.

June through September are months without snowfall.

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

The average day length in September in Moffat is 12h and 25min.

In September, on the first day of the month, sunrise is at 6:34 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 6:47 pm MDT.

In September, the average sunshine duration in Moffat is 11.3h.

In Moffat, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Moffat, CO

  • Average high temperature in September: 70.7°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (30.4°F).

  • Average low temperature in September: 43.7°F

The month with the highest average low temperature is July (48.7°F).
The coldest month (with the lowest average low temperature) is January (10.4°F).

Average pressure in September
Moffat, CO

  • Average pressure in September: 30.06"Hg

The month with the highest atmospheric pressure is January (30.18"Hg).
The month with the lowest atmospheric pressure is April (29.92"Hg).

Average wind speed in September
Moffat, CO

  • Average wind speed in September: 4.5mph

The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

Average humidity in September
Moffat, CO

  • Average humidity in September: 50%

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

Average rainfall in September
Moffat, CO

  • Average rainfall in September: 0.75"

The wettest month (with the highest rainfall) is July (1.85").
The driest month (with the least rainfall) is November (0.31").

Average rainfall days in September
Moffat, CO

  • Average rainfall days in September: 10.6 days

The month with the highest number of rainy days is July (19.7 days).
The month with the least rainy days is November (2.2 days).

Average snowfall in September
Moffat, CO

  • Average snowfall in September: 0"

The month with the highest snowfall is February (4.33").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Moffat, CO

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (9.8 days).
The months with the least snowfall days are July, August and September (0 days).

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

  • Average daylight in September: 12h and 24min

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: 11h and 18min

The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 7h and 0min).

Average sunshine days in September
Moffat, CO

  • Average sunshine days in September: 14 days

The month with the most sunshine days is November (23.7 days).
The month with the least sunshine days is July (7.3 days).

Average UV index in September
Moffat, CO

  • Average UV index in September: 4

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

Average cloud cover in September
Moffat, CO

  • Average cloud cover in September: 13

The months with the most cloud cover are January and February (Cloud cover 24).
The months with the least cloud cover are June, October and November (Cloud cover 12).

Average visibility in September
Moffat, CO

  • Average visibility in September: 6mi

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