September weather forecast and climate
Lake Havasu City, AZ

A wide aerial panorama of Lake Havasu City in Arizona, with a view of the iconic London Bridge
A wide aerial panorama of Lake Havasu City in Arizona, with a view of the iconic London Bridge
September is the tail of the summer season in Lake Havasu City, and the weather is usually hot. The temperatures scale down a bit as compared to the summer, and the average ranges between 75°F (23.9°C) to 101°F (38.3°C).
The days register 11 hours of sunlight, but the intensity of the ultraviolet rays of the sun tapers down a little. Nights are usually warm and rarely drop below 70°F (21.1°C).
Light summer clothing is apt to wear in September, and air-conditioners run untiringly in September as they do in the entire summer.

What is the temperature in September in Lake Havasu City?

In September, in Lake Havasu City, the average high-temperature is 101.1°F (38.4°C), and the average low-temperature is 75.4°F (24.1°C).

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

In Lake Havasu City, Arizona, in September, during 2 rainfall days, 0.4" (9.1mm) of precipitation is typically accumulated.

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

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

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

In Lake Havasu City, the average sunshine in September is 11h.

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

In September, the average daily maximum UV index in Lake Havasu City, Arizona, is 8. A UV Index reading of 8 to 10 represents a very high hazard to health from unprotected exposure to the UV radiation.
Average temperature in September - Lake Havasu City, AZ
  • Average high temperature in September: 101.2°F

The warmest month (with the highest average high temperature) is July (109.2°F).
The month with the lowest average high temperature is December (62.9°F).

  • Average low temperature in September: 75.4°F

The month with the highest average low temperature is July (84.5°F).
The coldest month (with the lowest average low temperature) is December (43°F).

Average rainfall in September - Lake Havasu City, AZ
  • Average rainfall in September: 0.4"

The wettest month (with the highest rainfall) is January (0.8").
Driest months (with the lowest rainfall) are May and June (0").

Average rainfall days in September - Lake Havasu City, AZ
  • Average rainfall days in September: 2 days

Months with the highest number of rainy days are March and August (4 days).
Months with the lowest number of rainy days are May and June (1 days).

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 shortest days is December (Average daylight: 9.9h).

  • Average sunshine in September: 11h

Months with most sunshine are May and June (Average sunshine: 13h).
Months with least sunshine are January, November and December (Average sunshine: 8).

Average UV index in September - Lake Havasu City, AZ
  • Average UV index in September: 8

The month with the highest UV index is July (UV index 11).
The month with the lowest UV index is December (UV index 2).

deutscheenglishespañolрусский中文