September weather forecast
Montezuma, AZ

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Weather in September

The first month of the autumn, September, is still a torrid month in Montezuma, Arizona, with temperature in the range of an average low of 79.5°F (26.4°C) and an average high of 96.3°F (35.7°C).

Temperature

September's weather records an average high-temperature of a still very hot 96.3°F (35.7°C), showing little deviation from August. An average low-temperature of 79.5°F (26.4°C) is noted during the nights in September in Montezuma.

Humidity

The average relative humidity in September in Montezuma, Arizona, is 31%.

Rainfall

In Montezuma, in September, during 8.2 rainfall days, 0.83" (21mm) of precipitation is typically accumulated. In Montezuma, during the entire year, the rain falls for 58 days and collects up to 6.69" (170mm) of precipitation.

Daylight

The average length of the day in September in Montezuma is 12h and 22min.
On the first day of the month, sunrise is at 6:07 am and sunset at 6:57 pm. On the last day of September, sunrise is at 6:26 am and sunset at 6:18 pm MST.

Sunshine

The average sunshine in September in Montezuma is 9.7h.

UV index

The average daily maximum UV index in September in Montezuma is 7. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: In September, the maximum UV index of 7 translates into these guidelines:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
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Frequently asked questions

How hot does it get in Montezuma in September?

September temperatures vary between a high-temperature of 96.3°F (35.7°C) and a low-temperature of 79.5°F (26.4°C).

What is the average humidity in September in Montezuma?

In Montezuma, Arizona, the average relative humidity in September is 31%.

How many days does it rain in September in Montezuma?

In Montezuma, in September, during 8.2 rainfall days, 0.83" (21mm) of precipitation is typically accumulated.

What is the average length of the day in September in Montezuma?

The average day length in September in Montezuma, Arizona, is 12h and 22min.

When are sunrise and sunset in September in Montezuma?

On the first day of September in Montezuma, Arizona, sunrise is at 6:07 am and sunset at 6:57 pm. On the last day of the month, sunrise is at 6:26 am and sunset at 6:18 pm MST.

How many hours of sunshine does Montezuma have in September?

The average sunshine duration in September is 9.7h.

What is the UV index reading in September in Montezuma?

In September, the average daily maximum UV index in Montezuma, Arizona, is 7. A UV Index of 6 to 7 symbolizes a high hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Montezuma, AZ

Average temperature in September - Montezuma, AZ
  • Average high temperature in September: 96.3°F

The warmest month (with the highest average high temperature) is July (102.4°F).
The month with the lowest average high temperature is December (63.1°F).

  • Average low temperature in September: 79.5°F

The month with the highest average low temperature is August (85.3°F).
The coldest month (with the lowest average low temperature) is December (47.7°F).

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Average pressure in September
Montezuma, AZ

Average pressure in September - Montezuma, AZ
  • Average pressure in September: 29.81"Hg

The month with the highest atmospheric pressure is January (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.76"Hg).

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Average wind speed in September
Montezuma, AZ

Average wind speed in September - Montezuma, AZ
  • Average wind speed in September: 6.6mph

The windiest months (with the highest average wind speed) are May and June (8.3mph).
The calmest months (with the lowest average wind speed) are January and December (5.3mph).

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Average humidity in September
Montezuma, AZ

Average humidity in September - Montezuma, AZ
  • Average humidity in September: 31%

The month with the highest relative humidity is December (42%).
The month with the lowest relative humidity is June (17%).

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Average rainfall in September
Montezuma, AZ

Average rainfall in September - Montezuma, AZ
  • Average rainfall in September: 0.83"

The wettest month (with the highest rainfall) is July (1.5").
The driest months (with the least rainfall) are April, May and June (0.08").

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Average rainfall days in September
Montezuma, AZ

Average rainfall days in September - Montezuma, AZ
  • Average rainfall days in September: 8.2 days

The month with the highest number of rainy days is July (12.9 days).
The month with the least rainy days is May (1.3 days).

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Average daylight in September /
Average sunshine in September
Montezuma, AZ

Average daylight in September / Average sunshine in September - Montezuma, AZ
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in September: 9h and 4min

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

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Average sunshine days in September
Montezuma, AZ

Average sunshine days in September - Montezuma, AZ
  • Average sunshine days in September: 19.2 days

The month with the most sunshine days is May (29.2 days).
The month with the least sunshine days is July (13.4 days).

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Average UV index in September
Montezuma, AZ

Average UV index in September - Montezuma, AZ
  • Average UV index in September: 7

The months with the highest UV index are June, July and August (UV index 8).
The month with the lowest UV index is December (UV index 3).

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Average cloud cover in September
Montezuma, AZ

Average cloud cover in September - Montezuma, AZ
  • Average cloud cover in September: 11

The month with the most cloud cover is December (Cloud cover 19).
The month with the least cloud cover is June (Cloud cover 5).

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Average visibility in September
Montezuma, AZ

Average visibility in September - Montezuma, AZ
  • 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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Montezuma, Arizona, USA

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