September weather forecast
Salida, CO

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Weather in September

September in Salida ushers in the fall season. The warmth of summer gives way to cooler temperatures and the incremental arrival of autumn's vibrant colors. Changing foliage and the alternating climate supply Salida with a unique charm. A decrease in rainfall and temperature from 74.8°F (23.8°C) to 68°F (20°C) becomes more noticeable as the month progresses. October, however, brings with it the crisper air, fewer daylight hours, and anticipations of the imminent winter.

Temperature

The transition into September is accompanied by a slight temperature decrease, with the average high-temperature shifting from a warm 74.8°F (23.8°C) in August to an agreeable 68°F (20°C). A sharp divergence from daytime highs is noted during the month of September, with the average nighttime temperature settling at a wintry 40.6°F (4.8°C).

Humidity

In Salida, the average relative humidity in September is 52%.

Rainfall

In Salida, in September, it is raining for 6.5 days, with typically 0.51" (13mm) of accumulated precipitation. In Salida, during the entire year, the rain falls for 66.3 days and collects up to 6.38" (162mm) of precipitation.

Snowfall

January through June, September through December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 0.3 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, there are 41.4 snowfall days, and 19.88" (505mm) of snow is accumulated.

Daylight

In Salida, Colorado, 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 7:33 pm. On the last day of September, sunrise is at 6:59 am and sunset at 6:47 pm MDT.

Sunshine

In Salida, the average sunshine in September is 11h.

UV index

The average daily maximum UV index in September in Salida is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum UV index, 3 during September, leads to the following recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Updated: Aug 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average September temperature?

In September, in Salida, the average high-temperature is 68°F (20°C), and the average low-temperature is 40.6°F (4.8°C).

What is the average humidity in September?

In September, the average relative humidity is 52%.

How much does it rain in September?

In Salida, in September, it is raining for 6.5 days, with typically 0.51" (13mm) of accumulated precipitation.

When does it start snowing?

September is the first month it typically snows. Throughout September, in the average 0.3 snowfall days, it receives 0.04" (1mm) of snow.

What is the average length of the day in September?

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

What time are sunrise and sunset in September in Salida?

On the first day of September, sunrise is at 6:34 am and sunset at 7:33 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 6:47 pm MDT.

How long on average sun shines in September?

In September, the average sunshine duration is 11h.

What is the UV index intensity in September?

The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium health risk from 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
Salida, CO

Average temperature in September - Salida, CO
  • Average high temperature in September: 68°F

The warmest month (with the highest average high temperature) is July (76.1°F).
The month with the lowest average high temperature is January (31.1°F).

  • Average low temperature in September: 40.6°F

The month with the highest average low temperature is July (46.8°F).
The coldest months (with the lowest average low temperature) are January and December (10.6°F).

Average pressure in September
Salida, CO

Average pressure in September - Salida, 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 (29.93"Hg).

Average wind speed in September
Salida, CO

Average wind speed in September - Salida, CO
  • Average wind speed in September: 5.5mph

The windiest months (with the highest average wind speed) are February, March and April (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

Average humidity in September
Salida, CO

Average humidity in September - Salida, CO
  • Average humidity in September: 52%

The months with the highest relative humidity are January and February (80%).
The month with the lowest relative humidity is June (41%).

Average rainfall in September
Salida, CO

Average rainfall in September - Salida, CO
  • Average rainfall in September: 0.51"

The wettest month (with the highest rainfall) is July (1.34").
The driest months (with the least rainfall) are January and November (0.2").

Average rainfall days in September
Salida, CO

Average rainfall days in September - Salida, CO
  • Average rainfall days in September: 6.5 days

The month with the highest number of rainy days is July (13 days).
The month with the least rainy days is November (1.1 days).

Average snowfall in September
Salida, CO

Average snowfall in September - Salida, CO
  • Average snowfall in September: 0.04"

The month with the highest snowfall is February (3.46").
The months with the least snowfall are July and August (0").

Average snowfall days in September
Salida, CO

Average snowfall days in September - Salida, CO
  • Average snowfall days in September: 0.3 days

The month with the highest number of snowfall days is March (7.6 days).
The months with the least snowfall days are July and August (0 days).

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

Average daylight in September / Average sunshine in September - Salida, 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: 11h and 0min

The month with the most sunshine is June (Average sunshine: 11h and 42min).
The months with the least sunshine are February and December (Average sunshine: 6h and 42min).

Average sunshine days in September
Salida, CO

Average sunshine days in September - Salida, CO
  • Average sunshine days in September: 22.1 days

The month with the most sunshine days is November (25.9 days).
The month with the least sunshine days is July (16.4 days).

Average UV index in September
Salida, CO

Average UV index in September - Salida, CO
  • Average UV index in September: 3

The months with the highest UV index are June and July (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
Salida, CO

Average cloud cover in September - Salida, CO
  • Average cloud cover in September: 18

The month with the most cloud cover is February (Cloud cover 31).
The month with the least cloud cover is June (Cloud cover 15).

Average visibility in September
Salida, CO

Average visibility in September - Salida, 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).

Salida, Colorado, USA

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