September weather forecast
Santa Fe, NM

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Beautiful sunset over the St. Francis of Assisi Basilica in Santa Fe, New Mexico
Beautiful sunset over the St. Francis of Assisi Basilica in Santa Fe, New Mexico

Weather in September

As the city transitions into autumn, September brings slight chill to Santa Fe's air. A steady decrease in temperature to 74.1°F (23.4°C) indicates the onset of fall. Even so, Santa Fe's sunny disposition continues, with significant daylight hours and a UV index of 5. The reduction in rainfall days from August makes room for comfier, drier days. The blend of bright sunlit days and cooling temperatures makes September a perfect testament to the soothing charm of Santa Fe's fall.

Temperature

The beginning of September brings a slight decrease in the average high-temperature, transitioning from 79.9°F (26.6°C) in August to a still warm 74.1°F (23.4°C). In Santa Fe, following the steep rise of daytime temperatures, an average nighttime low of 52°F (11.1°C) is anticipated during September.

Humidity

In September, the average relative humidity in Santa Fe is 48%.

Rainfall

In Santa Fe, in September, during 8.9 rainfall days, 0.91" (23mm) of precipitation is typically accumulated. In Santa Fe, New Mexico, during the entire year, the rain falls for 90.3 days and collects up to 9.8" (249mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In Santa Fe, the average length of the day in September is 12h and 23min.
On the first day of the month, sunrise is at 6:36 am and sunset at 7:30 pm. On the last day of September, sunrise is at 6:58 am and sunset at 6:48 pm MDT.

Sunshine

In Santa Fe, New Mexico, the average sunshine in September is 11.4h.

UV index

In Santa Fe, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum daily UV index, 5 in September, converts into the following recommendations:
Ensure safety - Sun damage prevention is strongly urged. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
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Frequently asked questions

What is the usual temperature for Santa Fe in September?

The high-temperature, in September, in Santa Fe, records 74.1°F (23.4°C), while the low-temperature is 52°F (11.1°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in July is computed to be 82.4°F (28°C).

What is the average humidity in September in Santa Fe?

The average relative humidity in September is 48%.

How many days does it rain in September in Santa Fe?

In Santa Fe, in September, it is raining for 8.9 days, with typically 0.91" (23mm) of accumulated precipitation.

When it does not snow in Santa Fe?

June through September are months without snowfall in Santa Fe.

Does it snow in Santa Fe in September?

In Santa Fe, New Mexico, in September, it doesn't snow. In October, it regularly snows.

How many hours of daylight does Santa Fe have in September?

In Santa Fe, New Mexico, the average day length in September is 12h and 23min.

When are sunrise and sunset in September in Santa Fe?

In September, on the first day of the month, sunrise is at 6:36 am and sunset at 7:30 pm. On the last day of the month, in Santa Fe, sunrise is at 6:58 am and sunset at 6:48 pm MDT.

How long on average sun shines in September in Santa Fe?

In September, the average sunshine duration is 11.4h.

How high is the UV index in September in Santa Fe?

In September, the average daily maximum UV index in Santa Fe, New Mexico, is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unsafe 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
Santa Fe, NM

Average temperature in September - Santa Fe, NM
  • Average high temperature in September: 74.1°F

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (39.2°F).

  • Average low temperature in September: 52°F

The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is December (21.6°F).

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Average pressure in September
Santa Fe, NM

Average pressure in September - Santa Fe, NM
  • Average pressure in September: 30.01"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is April (29.88"Hg).

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Average wind speed in September
Santa Fe, NM

Average wind speed in September - Santa Fe, NM
  • Average wind speed in September: 6.3mph

The windiest month (with the highest average wind speed) is April (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).

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Average humidity in September
Santa Fe, NM

Average humidity in September - Santa Fe, NM
  • Average humidity in September: 48%

The month with the highest relative humidity is January (67%).
The month with the lowest relative humidity is June (32%).

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Average rainfall in September
Santa Fe, NM

Average rainfall in September - Santa Fe, NM
  • Average rainfall in September: 0.91"

The wettest month (with the highest rainfall) is July (1.73").
The driest month (with the least rainfall) is April (0.55").

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Average rainfall days in September
Santa Fe, NM

Average rainfall days in September - Santa Fe, NM
  • Average rainfall days in September: 8.9 days

The month with the highest number of rainy days is July (14.3 days).
The month with the least rainy days is November (3.4 days).

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Average snowfall in September
Santa Fe, NM

Average snowfall in September - Santa Fe, NM
  • Average snowfall in September: 0"

The month with the highest snowfall is December (5.71").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Santa Fe, NM

Average snowfall days in September - Santa Fe, NM
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is December (7.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in September /
Average sunshine in September
Santa Fe, NM

Average daylight in September / Average sunshine in September - Santa Fe, NM
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in September: 11h and 2min

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

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Average sunshine days in September
Santa Fe, NM

Average sunshine days in September - Santa Fe, NM
  • Average sunshine days in September: 14.5 days

The month with the most sunshine days is November (23.6 days).
The month with the least sunshine days is July (8.8 days).

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Average UV index in September
Santa Fe, NM

Average UV index in September - Santa Fe, NM
  • Average UV index in September: 5

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

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Average cloud cover in September
Santa Fe, NM

Average cloud cover in September - Santa Fe, NM
  • Average cloud cover in September: 12

The month with the most cloud cover is December (Cloud cover 21).
The month with the least cloud cover is June (Cloud cover 10).

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Average visibility in September
Santa Fe, NM

Average visibility in September - Santa Fe, NM
  • 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).

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Santa Fe, New Mexico, USA

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