September weather forecast
Saint Michaels, AZ

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Weather in September

September, the first month of the autumn in Saint Michaels, is also a moderately hot month, with an average temperature varying between 54.5°F (12.5°C) and 73.8°F (23.2°C).

Temperature

Saint Michaels's transition into September involves a gentle shift in temperature, receding from a warm 80.2°F (26.8°C) in August to a still moderately hot 73.8°F (23.2°C). The mean low-temperature during September nights is a fresh 54.5°F (12.5°C).

Humidity

In Saint Michaels, the average relative humidity in September is 43%.

Rainfall

In Saint Michaels, during September, the rain falls for 11.9 days and regularly aggregates up to 1.42" (36mm) of precipitation. In Saint Michaels, during the entire year, the rain falls for 90.1 days and collects up to 11.93" (303mm) of precipitation.

Snowfall

In Saint Michaels, Arizona, snow does not fall in June through September.

Daylight

In Saint Michaels, the average length of the day in September is 12h and 23min.
On the first day of September, sunrise is at 6:49 am and sunset at 7:43 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 7:01 pm MDT.

Sunshine

In Saint Michaels, the average sunshine in September is 10.8h.

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 the ordinary person.
Note: An average maximum UV index of 5 in September leads to these recommendations:
Adopt protective measures - It is advised to guard against sun damage. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.

Frequently asked questions

What is the average September temperature in Saint Michaels?

The high-temperature, in September, in Saint Michaels, records 73.8°F (23.2°C), while the low-temperature is 54.5°F (12.5°C). The average heat index (a.k.a. 'real feel', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in July is evaluated at 82.4°F (28°C).

What is the average humidity in September in Saint Michaels?

In September, the average relative humidity in Saint Michaels, Arizona, is 43%.

How many days does it rain in September in Saint Michaels?

In September, the rain falls for 11.9 days. Throughout September, 1.42" (36mm) of precipitation is accumulated.

When it does not snow in Saint Michaels?

June through September are months without snowfall.

Does it snow in Saint Michaels in September?

In Saint Michaels, Arizona, in September, it doesn't snow. In October, it regularly snows.

How many hours of daylight does Saint Michaels have in September?

In Saint Michaels, Arizona, the average day length in September is 12h and 23min.

When are sunrise and sunset in September in Saint Michaels?

In September, on the first day of the month, sunrise is at 6:49 am and sunset at 7:43 pm. On the last day of the month, in Saint Michaels, Arizona, sunrise is at 7:11 am and sunset at 7:01 pm MDT.

How many hours of sunshine does Saint Michaels have in September?

In September, the average sunshine duration in Saint Michaels, Arizona, is 10.8h.

What is the UV index intensity in September in Saint Michaels?

In Saint Michaels, Arizona, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health risk 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
Saint Michaels, AZ

Average temperature in September - Saint Michaels, AZ
  • Average high temperature in September: 73.8°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (38.5°F).

  • Average low temperature in September: 54.5°F

The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).

Average pressure in September
Saint Michaels, AZ

Average pressure in September - Saint Michaels, AZ
  • Average pressure in September: 29.97"Hg

The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

Average wind speed in September
Saint Michaels, AZ

Average wind speed in September - Saint Michaels, AZ
  • Average wind speed in September: 7.4mph

The windiest month (with the highest average wind speed) is April (11.4mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).

Average humidity in September
Saint Michaels, AZ

Average humidity in September - Saint Michaels, AZ
  • Average humidity in September: 43%

The month with the highest relative humidity is January (70%).
The month with the lowest relative humidity is June (23%).

Average rainfall in September
Saint Michaels, AZ

Average rainfall in September - Saint Michaels, AZ
  • Average rainfall in September: 1.42"

The wettest month (with the highest rainfall) is July (2.44").
The driest month (with the least rainfall) is June (0.35").

Average rainfall days in September
Saint Michaels, AZ

Average rainfall days in September - Saint Michaels, AZ
  • Average rainfall days in September: 11.9 days

The month with the highest number of rainy days is July (19.2 days).
The month with the least rainy days is February (2.9 days).

Average snowfall in September
Saint Michaels, AZ

Average snowfall in September - Saint Michaels, AZ
  • Average snowfall in September: 0"

The month with the highest snowfall is December (5.55").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Saint Michaels, AZ

Average snowfall days in September - Saint Michaels, AZ
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is December (8.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Saint Michaels, AZ

Average daylight in September / Average sunshine in September - Saint Michaels, AZ
  • 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: 10h and 5min

The month with the most sunshine is June (Average sunshine: 11h and 48min).
The months with the least sunshine are January and December (Average sunshine: 6h and 24min).

Average sunshine days in September
Saint Michaels, AZ

Average sunshine days in September - Saint Michaels, AZ
  • Average sunshine days in September: 13.5 days

The month with the most sunshine days is November (23.7 days).
The month with the least sunshine days is July (8.3 days).

Average UV index in September
Saint Michaels, AZ

Average UV index in September - Saint Michaels, AZ
  • 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).

Average cloud cover in September
Saint Michaels, AZ

Average cloud cover in September - Saint Michaels, AZ
  • Average cloud cover in September: 13

The month with the most cloud cover is January (Cloud cover 29).
The month with the least cloud cover is June (Cloud cover 10).

Average visibility in September
Saint Michaels, AZ

Average visibility in September - Saint Michaels, AZ
  • Average visibility in September: 6mi

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

Saint Michaels, Arizona, USA

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