September weather forecast
Hot Sulphur Springs, CO

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Weather in September

The first month of the autumn, September, is still a refreshing month in Hot Sulphur Springs, Colorado, with an average temperature ranging between max 65.8°F (18.8°C) and min 36.9°F (2.7°C).

Temperature

The arrival of September is marked by a minor reduction in average high-temperature, sliding from an agreeable 73°F (22.8°C) in August to a refreshing 65.8°F (18.8°C). Hot Sulphur Springs, amidst the high September temperatures, experiences a substantial shift to an average nighttime low of 36.9°F (2.7°C).

Humidity

In Hot Sulphur Springs, the average relative humidity in September is 51%.

Rainfall

In September, in Hot Sulphur Springs, the rain falls for 4.1 days. Throughout September, 0.24" (6mm) of precipitation is accumulated. Throughout the year, there are 62.5 rainfall days, and 6.54" (166mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Hot Sulphur Springs are January through June, September through December. September is the first month it typically snows. Throughout September, in the average 1.2 snowfall days, it receives 0.24" (6mm) of snow. Throughout the year, there are 87.5 snowfall days, and 37.36" (949mm) of snow is accumulated.

Daylight

The average length of the day in September is 12h and 26min.
On the first day of the month, sunrise is at 6:32 am and sunset at 7:35 pm. On the last day of September, sunrise is at 7:00 am and sunset at 6:47 pm MDT.

Sunshine

The average sunshine in September is 11.3h.

UV index

In September, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: In September, the maximum UV index of 3 suggests these recommendations:
Ensure safety - Recommendations to avert sunburn are presented. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Stay sun-safe with clothing that is both closely woven and worn loosely. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
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Frequently asked questions

What is the average September temperature in Hot Sulphur Springs?

The high-temperature in Hot Sulphur Springs during September is 65.8°F (18.8°C) and the low-temperature is 36.9°F (2.7°C).

What is the average humidity in September in Hot Sulphur Springs?

In September, the average relative humidity in Hot Sulphur Springs, Colorado, is 51%.

How many days does it rain in September in Hot Sulphur Springs?

In Hot Sulphur Springs, in September, it is raining for 4.1 days, with typically 0.24" (6mm) of accumulated precipitation.

When does it start to snow in Hot Sulphur Springs?

September is the first month it typically snows in Hot Sulphur Springs, Colorado. Throughout September, in the average 1.2 snowfall days, it receives 0.24" (6mm) of snow.

What is the average length of the day in September in Hot Sulphur Springs?

The average day length in September is 12h and 26min.

When is the sunrise / sunset in September in Hot Sulphur Springs?

In September, on the first day of the month, sunrise is at 6:32 am and sunset at 7:35 pm. On the last day of the month, in Hot Sulphur Springs, sunrise is at 7:00 am and sunset at 6:47 pm MDT.

How many hours of sunshine does Hot Sulphur Springs have in September?

In Hot Sulphur Springs, the average sunshine duration in September is 11.3h.

What is the UV index intensity in September in Hot Sulphur Springs?

The average daily maximum UV index in September in Hot Sulphur Springs is 3. A UV Index of 3 to 5 symbolizes a medium hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Hot Sulphur Springs, CO

Average temperature in September - Hot Sulphur Springs, CO
  • Average high temperature in September: 65.8°F

The warmest month (with the highest average high temperature) is July (74.8°F).
The month with the lowest average high temperature is December (24.8°F).

  • Average low temperature in September: 36.9°F

The month with the highest average low temperature is July (43.7°F).
The coldest month (with the lowest average low temperature) is January (2.1°F).

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Average pressure in September
Hot Sulphur Springs, CO

Average pressure in September - Hot Sulphur Springs, CO
  • Average pressure in September: 30.03"Hg

The month with the highest atmospheric pressure is January (30.21"Hg).
The months with the lowest atmospheric pressure are April and May (29.93"Hg).

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Average wind speed in September
Hot Sulphur Springs, CO

Average wind speed in September - Hot Sulphur Springs, CO
  • Average wind speed in September: 5.2mph

The windiest month (with the highest average wind speed) is June (6.4mph).
The calmest month (with the lowest average wind speed) is December (4.9mph).

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Average humidity in September
Hot Sulphur Springs, CO

Average humidity in September - Hot Sulphur Springs, CO
  • Average humidity in September: 51%

The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is June (49%).

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Average rainfall in September
Hot Sulphur Springs, CO

Average rainfall in September - Hot Sulphur Springs, CO
  • Average rainfall in September: 0.24"

The wettest month (with the highest rainfall) is April (1.1").
The driest month (with the least rainfall) is August (0.2").

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Average rainfall days in September
Hot Sulphur Springs, CO

Average rainfall days in September - Hot Sulphur Springs, CO
  • Average rainfall days in September: 4.1 days

The month with the highest number of rainy days is April (6.8 days).
The month with the least rainy days is October (3.1 days).

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Average snowfall in September
Hot Sulphur Springs, CO

Average snowfall in September - Hot Sulphur Springs, CO
  • Average snowfall in September: 0.24"

The month with the highest snowfall is April (7.28").
The months with the least snowfall are July and August (0").

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Average snowfall days in September
Hot Sulphur Springs, CO

Average snowfall days in September - Hot Sulphur Springs, CO
  • Average snowfall days in September: 1.2 days

The month with the highest number of snowfall days is February (13.9 days).
The months with the least snowfall days are July and August (0 days).

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Average daylight in September /
Average sunshine in September
Hot Sulphur Springs, CO

Average daylight in September / Average sunshine in September - Hot Sulphur Springs, CO
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in September: 11h and 2min

The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is February (Average sunshine: 5h and 48min).

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Average sunshine days in September
Hot Sulphur Springs, CO

Average sunshine days in September - Hot Sulphur Springs, CO
  • Average sunshine days in September: 23.6 days

The month with the most sunshine days is August (24.1 days).
The month with the least sunshine days is February (13.8 days).

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Average UV index in September
Hot Sulphur Springs, CO

Average UV index in September - Hot Sulphur Springs, CO
  • Average UV index in September: 3

The months with the highest UV index are June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).

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Average cloud cover in September
Hot Sulphur Springs, CO

Average cloud cover in September - Hot Sulphur Springs, CO
  • Average cloud cover in September: 12

The month with the most cloud cover is February (Cloud cover 42).
The month with the least cloud cover is September (Cloud cover 12).

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Average visibility in September
Hot Sulphur Springs, CO

Average visibility in September - Hot Sulphur Springs, CO
  • Average visibility in September: 6mi

The months with the highest visibility are May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (4mi).

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Hot Sulphur Springs, Colorado, USA

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