September weather forecast
Lake Havasu City, AZ

Panorama of Lake Havasu City in Arizona, with a view of the iconic London Bridge
Panorama of Lake Havasu City in Arizona, with a view of the iconic London Bridge

Weather in September

September, the first month of the autumn, in Lake Havasu City, is still a torrid month, with temperature in the range of an average high of 95.9°F (35.5°C) and an average low of 79.2°F (26.2°C).

Temperature

In September, the average high-temperature slightly decreases, from a torrid 101.8°F (38.8°C) in August, to a still sweltering 95.9°F (35.5°C). The average low-temperature, in September, is 79.2°F (26.2°C).

Humidity

In September, the average relative humidity is 25%.

Rainfall

In Lake Havasu City, during 5.5 rainfall days, 0.63" (16mm) of precipitation is typically accumulated. In Lake Havasu City, during the entire year, the rain falls for 52.1 days and collects up to 6.26" (159mm) of precipitation.

Snowfall

In Lake Havasu City snow does not fall in January through November.

Daylight

In September, the average length of the day in Lake Havasu City is 12.4h.

Sunshine

In Lake Havasu City, the average sunshine in September is 10h.

UV index

The average daily maximum UV index in Lake Havasu City is 7. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to the UV radiation for average individuals.
Note: The daily maximum UV index of 7 interpret into the following advice:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. 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 average humidity in September in Lake Havasu City?

In Lake Havasu City, Arizona, the average relative humidity in September is 25%.

How many days does it rain in September in Lake Havasu City?

In Lake Havasu City, in September, it is raining for 5.5 days, with typically 0.63" (16mm) of accumulated precipitation.

When it does not snow in Lake Havasu City?

January through November are months without snowfall in Lake Havasu City, Arizona.

What is the average length of the day in September in Lake Havasu City?

In September, the average length of the day in Lake Havasu City is 12.4h.

How long on average sun shines in September in Lake Havasu City?

In September, the average sunshine in Lake Havasu City is 10h.

What is the UV index reading in September in Lake Havasu City?

The average daily maximum UV index in September in Lake Havasu City is 7. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to the UV radiation.

Average temperature in September
Lake Havasu City, AZ

Average temperature in September - Lake Havasu City, AZ
  • Average high temperature in September: 95.9°F

The warmest month (with the highest average high temperature) is July (102.7°F).
The month with the lowest average high temperature is December (60.1°F).

  • Average low temperature in September: 79.2°F

The month with the highest average low temperature is August (85.5°F).
The coldest month (with the lowest average low temperature) is December (46.6°F).

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Average pressure in September
Lake Havasu City, AZ

Average pressure in September - Lake Havasu City, AZ
  • Average pressure in September: 29.81"

The month with the highest atmospheric pressure is January (30.1").
The month with the lowest atmospheric pressure is June (29.75").

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Average wind speed in September
Lake Havasu City, AZ

Average wind speed in September - Lake Havasu City, AZ
  • Average wind speed in September: 6.7mph

The windiest months (with the highest average wind speed) are April and May (8.6mph).
The calmest month (with the lowest average wind speed) is November (6.5mph).

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Average humidity in September
Lake Havasu City, AZ

Average humidity in September - Lake Havasu City, AZ
  • Average humidity in September: 25%

The month with the highest relative humidity is January (40%).
The month with the lowest relative humidity is June (15%).

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Average rainfall in September
Lake Havasu City, AZ

Average rainfall in September - Lake Havasu City, AZ
  • Average rainfall in September: 0.63"

The wettest month (with the highest rainfall) is August (1.02").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days in September
Lake Havasu City, AZ

Average rainfall days in September - Lake Havasu City, AZ
  • Average rainfall days in September: 5.5 days

The month with the highest number of rainy days is July (9.3 days).
The month with the least rainy days is June (0.8 days).

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Average snowfall days in September
Lake Havasu City, AZ

Average snowfall days in September - Lake Havasu City, AZ
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is December (0.1 days).
Months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).

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Average daylight in September /
Average sunshine in September
Lake Havasu City, AZ

Average daylight in September / Average sunshine in September - Lake Havasu City, AZ
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 9.9h).

  • Average sunshine in September: 10h

The month with the most sunshine is August (Average sunshine: 12.2h).
The month with the least sunshine is December (Average sunshine: 6.8h).

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Average sunshine days in September
Lake Havasu City, AZ

Average sunshine days in September - Lake Havasu City, AZ
  • Average sunshine days in September: 22.5 days

The month with the most sunshine days is June (28.7 days).
The month with the least sunshine days is August (18.7 days).

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Average UV index in September
Lake Havasu City, AZ

Average UV index in September - Lake Havasu City, AZ
  • Average UV index in September: 7

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
Lake Havasu City, AZ

Average cloud cover in September - Lake Havasu City, AZ
  • Average cloud cover in September: 8

The month with the most cloud cover is December (Cloud cover 21).
The month with the least cloud cover is June (Cloud cover 5).

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Average visibility in September
Lake Havasu City, AZ

Average visibility in September - Lake Havasu City, 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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