September weather forecast
Morgantown, AZ

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Weather in September

September, the first month of the autumn in Morgantown, is still a very hot month, with an average temperature ranging between min 79.9°F (26.6°C) and max 98.1°F (36.7°C).

Temperature

In the transition to September, Morgantown observes a minor drop in the average high-temperature, shifting from a blistering 104.7°F (40.4°C) in August to a fiery hot 98.1°F (36.7°C). The nighttime temperature dips to a warm 79.9°F (26.6°C) on average during September.

Humidity

In September, the average relative humidity is 25%.

Rainfall

In Morgantown, during September, the rain falls for 4.1 days and regularly aggregates up to 0.31" (8mm) of precipitation. In Morgantown, during the entire year, the rain falls for 31.7 days and collects up to 2.87" (73mm) of precipitation.

Daylight

The average length of the day in September is 12h and 22min.
On the first day of the month, sunrise is at 6:12 am and sunset at 7:02 pm. On the last day of September, in Morgantown, sunrise is at 6:31 am and sunset at 6:22 pm MST.

Sunshine

In Morgantown, the average sunshine in September is 10h.

UV index

In Morgantown, the average daily maximum UV index in September is 8. A UV Index reading of 8 to 10 represents a very high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: In September, the maximum UV index of 8 suggests these recommendations:
It is essential to prioritize protection. Unprotected skin and eyes can suffer rapid harm. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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Frequently asked questions

How hot is it in Morgantown in September?

The average high-temperature, in September, in Morgantown, is 98.1°F (36.7°C), while the average low-temperature is 79.9°F (26.6°C).

What is the average humidity in September in Morgantown?

In September, the average relative humidity is 25%.

How much does it rain in Morgantown in September?

In Morgantown, in September, it is raining for 4.1 days, with typically 0.31" (8mm) of accumulated precipitation.

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

In Morgantown, the average day length in September is 12h and 22min.

When is the sunrise / sunset in September in Morgantown?

In September, on the first day of the month, sunrise is at 6:12 am and sunset at 7:02 pm. On the last day of the month, sunrise is at 6:31 am and sunset at 6:22 pm MST.

How many hours of sunshine does Morgantown have in September?

In Morgantown, Arizona, the average sunshine duration in September is 10h.

What is the UV index reading in September in Morgantown?

The average daily maximum UV index in September is 8. A UV Index value of 8 to 10 symbolizes a very high health vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Morgantown, AZ

Average temperature in September - Morgantown, AZ
  • Average high temperature in September: 98.1°F

The warmest month (with the highest average high temperature) is July (105.3°F).
The month with the lowest average high temperature is December (62.8°F).

  • Average low temperature in September: 79.9°F

The month with the highest average low temperature is August (86°F).
The coldest month (with the lowest average low temperature) is December (48°F).

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Average pressure in September
Morgantown, AZ

Average pressure in September - Morgantown, AZ
  • Average pressure in September: 29.79"Hg

The month with the highest atmospheric pressure is January (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.74"Hg).

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Average wind speed in September
Morgantown, AZ

Average wind speed in September - Morgantown, AZ
  • Average wind speed in September: 6.8mph

The windiest months (with the highest average wind speed) are April and May (8.9mph).
The calmest month (with the lowest average wind speed) is November (6.3mph).

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Average humidity in September
Morgantown, AZ

Average humidity in September - Morgantown, AZ
  • Average humidity in September: 25%

The months with the highest relative humidity are January and December (38%).
The month with the lowest relative humidity is June (18%).

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Average rainfall in September
Morgantown, AZ

Average rainfall in September - Morgantown, AZ
  • Average rainfall in September: 0.31"

The wettest month (with the highest rainfall) is July (0.39").
The driest months (with the least rainfall) are May and June (0.04").

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Average rainfall days in September
Morgantown, AZ

Average rainfall days in September - Morgantown, AZ
  • Average rainfall days in September: 4.1 days

The month with the highest number of rainy days is July (5.8 days).
The month with the least rainy days is June (0.8 days).

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

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

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in September: 10h and 0min

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

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Average sunshine days in September
Morgantown, AZ

Average sunshine days in September - Morgantown, AZ
  • Average sunshine days in September: 23.5 days

The month with the most sunshine days is May (29.6 days).
The month with the least sunshine days is July (21.5 days).

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Average UV index in September
Morgantown, AZ

Average UV index in September - Morgantown, AZ
  • Average UV index in September: 8

The months with the highest UV index are July and August (UV index 9).
The months with the lowest UV index are November and December (UV index 4).

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Average cloud cover in September
Morgantown, AZ

Average cloud cover in September - Morgantown, AZ
  • Average cloud cover in September: 8

The month with the most cloud cover is December (Cloud cover 17).
The month with the least cloud cover is June (Cloud cover 5).

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Average visibility in September
Morgantown, AZ

Average visibility in September - Morgantown, 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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Morgantown, Arizona, USA

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