September weather forecast
Canyon Diablo, AZ

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Weather in September

The first month of the autumn, September, is still a warm month in Canyon Diablo, Arizona, with an average temperature varying between 62.2°F (16.8°C) and 82°F (27.8°C).

Temperature

September ushers in a minor alteration in Canyon Diablo's climate, with the average high-temperature moving from August's tropical 88.3°F (31.3°C) to a warm 82°F (27.8°C). Canyon Diablo records an average low of 62.2°F (16.8°C) throughout the nights in September.

Humidity

The average relative humidity in September is 34%.

Rainfall

In September, the rain falls for 4.5 days. Throughout September, 0.35" (9mm) of precipitation is accumulated. In Canyon Diablo, Arizona, during the entire year, the rain falls for 46.1 days and collects up to 3.35" (85mm) of precipitation.

Snowfall

In Canyon Diablo, snow does not fall in April through October.

Daylight

The average length of the day in September is 12h and 23min.
On the first day of the month, sunrise is at 6:57 am and sunset at 7:50 pm. On the last day of September, sunrise is at 7:19 am and sunset at 7:09 pm MDT.

Sunshine

In September, the average sunshine is 10.2h.

UV index

In Canyon Diablo, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum UV index of 6 during September translates into these guidelines:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.

Frequently asked questions

What is the temperature in September?

In Canyon Diablo, in September, the average high-temperature is 82°F (27.8°C), and the average low-temperature is 62.2°F (16.8°C).

What is the average humidity in September?

In Canyon Diablo, the average relative humidity in September is 34%.

How many days does it rain in September?

In Canyon Diablo, in September, during 4.5 rainfall days, 0.35" (9mm) of precipitation is typically accumulated.

When it does not snow?

April through October are months without snowfall.

What is the average length of the day in September?

In September, the average day length is 12h and 23min.

When are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:57 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 7:09 pm MDT.

How long on average sun shines in September?

In Canyon Diablo, the average sunshine duration in September is 10.2h.

What is the UV index intensity in September?

The average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health threat from unprotected exposure to UV radiation.
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
Canyon Diablo, AZ

Average temperature in September - Canyon Diablo, AZ
  • Average high temperature in September: 82°F

The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (47.7°F).

  • Average low temperature in September: 62.2°F

The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (29.8°F).

Average pressure in September
Canyon Diablo, AZ

Average pressure in September - Canyon Diablo, AZ
  • Average pressure in September: 29.96"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are May and June (29.88"Hg).

Average wind speed in September
Canyon Diablo, AZ

Average wind speed in September - Canyon Diablo, AZ
  • Average wind speed in September: 7.7mph

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is January (6.2mph).

Average humidity in September
Canyon Diablo, AZ

Average humidity in September - Canyon Diablo, AZ
  • Average humidity in September: 34%

The month with the highest relative humidity is January (57%).
The month with the lowest relative humidity is June (18%).

Average rainfall in September
Canyon Diablo, AZ

Average rainfall in September - Canyon Diablo, AZ
  • Average rainfall in September: 0.35"

The wettest month (with the highest rainfall) is October (0.55").
The driest month (with the least rainfall) is June (0.08").

Average rainfall days in September
Canyon Diablo, AZ

Average rainfall days in September - Canyon Diablo, AZ
  • Average rainfall days in September: 4.5 days

The month with the highest number of rainy days is July (7.8 days).
The months with the least rainy days are June and November (2.5 days).

Average snowfall in September
Canyon Diablo, AZ

Average snowfall in September - Canyon Diablo, AZ
  • Average snowfall in September: 0"

The month with the highest snowfall is February (1.69").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in September
Canyon Diablo, AZ

Average snowfall days in September - Canyon Diablo, AZ
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (1.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Canyon Diablo, AZ

Average daylight in September / Average sunshine in September - Canyon Diablo, 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 1min

The month with the most sunshine is August (Average sunshine: 12h and 18min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).

Average sunshine days in September
Canyon Diablo, AZ

Average sunshine days in September - Canyon Diablo, AZ
  • Average sunshine days in September: 23.1 days

The month with the most sunshine days is May (27.1 days).
The month with the least sunshine days is July (19.7 days).

Average UV index in September
Canyon Diablo, AZ

Average UV index in September - Canyon Diablo, AZ
  • Average UV index in September: 6

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are November and December (UV index 2).

Average cloud cover in September
Canyon Diablo, AZ

Average cloud cover in September - Canyon Diablo, AZ
  • Average cloud cover in September: 9

The month with the most cloud cover is December (Cloud cover 20).
The month with the least cloud cover is June (Cloud cover 8).

Average visibility in September
Canyon Diablo, AZ

Average visibility in September - Canyon Diablo, 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).

Canyon Diablo, Arizona, USA

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