September weather forecast and climate
Kofa, AZ

Weather in September

September, the first month of the autumn, in Kofa, is still a very hot month, with temperature in the range of an average low of 81°F (27.2°C) and an average high of 98.2°F (36.8°C).

Temperature

In Kofa, the average high-temperature marginally drops, from a torrid 103.6°F (39.8°C) in August, to a still very hot 98.2°F (36.8°C). The average low-temperature, in September, is 81°F (27.2°C).

Humidity

In Kofa, Arizona, the average relative humidity is 31%.

Rainfall

In Kofa, during 6 rainfall days, 0.51" (13mm) of precipitation is typically accumulated. Throughout the year, in Kofa, Arizona, there are 39.5 rainfall days, and 4.06" (103mm) of precipitation is accumulated.

Daylight

In September, the average length of the day is 12.4h.

Sunshine

In September, the average sunshine is 9.7h.

UV index

In September, the average daily maximum UV index in Kofa is 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to the UV radiation for the ordinary person.
Note: The daily maximum UV index of 7 in September interpret into the following advice:
Take precautions against overexposure. Protection against sun damage is needed. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. 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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FAQ

What is the temperature in September in Kofa?

In Kofa, in September, the average high-temperature is 98.2°F (36.8°C), and the average low-temperature is 81°F (27.2°C).

What is the average humidity in September in Kofa?

The average relative humidity in September in Kofa is 31%.

How much does it rain in Kofa in September?

In Kofa, during September, the rain falls for 6 days and regularly aggregates up to 0.51" (13mm) of precipitation.

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

In September, the average length of the day in Kofa is 12.4h.

How long on average sun shines in September in Kofa?

In Kofa, Arizona, the average sunshine in September is 9.7h.

What is the UV index reading in September in Kofa?

In September, the average daily maximum UV index is 7. A UV Index of 6 to 7 symbolizes a high hazard to health from unsafe exposure to the Sun's UV rays.

Average temperature in September
Kofa, AZ

Average temperature in September - Kofa, AZ
  • Average high temperature in September: 98.2°F

The warmest month (with the highest average high temperature) is July (103.8°F).
The month with the lowest average high temperature is December (64.8°F).

  • Average low temperature in September: 81°F

The month with the highest average low temperature is August (86.2°F).
The coldest months (with the lowest average low temperature) are January and December (49.6°F).

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Average pressure in September
Kofa, AZ

Average pressure in September - Kofa, AZ
  • Average pressure in September: 29.78"

The month with the highest atmospheric pressure is January (30.06").
The month with the lowest atmospheric pressure is June (29.73").

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Average wind speed in September
Kofa, AZ

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

The windiest month (with the highest average wind speed) is July (8.6mph).
The calmest month (with the lowest average wind speed) is December (5.6mph).

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Average humidity in September
Kofa, AZ

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

The month with the highest relative humidity is December (40%).
The month with the lowest relative humidity is June (21%).

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Average rainfall in September
Kofa, AZ

Average rainfall in September - Kofa, AZ
  • Average rainfall in September: 0.51"

The wettest month (with the highest rainfall) is July (0.75").
The driest month (with the least rainfall) is May (0.04").

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Average rainfall days in September
Kofa, AZ

Average rainfall days in September - Kofa, AZ
  • Average rainfall days in September: 6 days

The month with the highest number of rainy days is July (8.2 days).
The month with the least rainy days is May (1 days).

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

Average daylight in September / Average sunshine in September - Kofa, AZ
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.3h).
The month with the shortest days is December (Average daylight: 10h).

  • Average sunshine in September: 9.7h

The month with the most sunshine is June (Average sunshine: 12.2h).
The month with the least sunshine is December (Average sunshine: 7.1h).

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Average sunshine days in September
Kofa, AZ

Average sunshine days in September - Kofa, AZ
  • Average sunshine days in September: 22.3 days

The month with the most sunshine days is May (29.7 days).
The month with the least sunshine days is July (19.3 days).

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Average UV index in September
Kofa, AZ

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

Months with the highest UV index are June, July and August (UV index 8).
Months with the lowest UV index are November and December (UV index 4).

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Average cloud cover in September
Kofa, AZ

Average cloud cover in September - Kofa, AZ
  • Average cloud cover in September: 9

The month with the most cloud cover is December (Cloud cover 18).
The month with the least cloud cover is June (Cloud cover 5).

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Average visibility in September
Kofa, AZ

Average visibility in September - Kofa, AZ
  • Average visibility in September: 6mi

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

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