Click on a day for an hourly weather forecast
The temperatures in Lake Havasu City during September are extremely high, between 27°C and hot as 36°C, drinking water regularly is advisable.
You can expect a few rainy days in Lake Havasu City during September, but usually the weather is comfortable in September.
Our weather forecast can give you a great sense of what weather to expect in Lake Havasu City in September 2025.
If you’re planning to visit Lake Havasu City in the near future, we highly recommend that you review the 14 day weather forecast for Lake Havasu City before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 17° / 8° | 2 | 29 | 0 | 18 mm | Good | Lake Havasu City in January |
| February | 19° / 10° | 1 | 27 | 0 | 14 mm | Good | Lake Havasu City in February |
| March | 23° / 14° | 1 | 30 | 0 | 13 mm | Perfect | Lake Havasu City in March |
| April | 28° / 18° | 1 | 29 | 0 | 3 mm | Perfect | Lake Havasu City in April |
| May | 32° / 22° | 0 | 31 | 0 | 2 mm | Good | Lake Havasu City in May |
| June | 38° / 27° | 0 | 30 | 0 | 1 mm | Bad | Lake Havasu City in June |
| July | 39° / 31° | 3 | 28 | 0 | 18 mm | Bad | Lake Havasu City in July |
| August | 39° / 31° | 4 | 27 | 0 | 20 mm | Bad | Lake Havasu City in August |
| September | 36° / 27° | 2 | 28 | 0 | 12 mm | Ok | Lake Havasu City in September |
| October | 29° / 19° | 1 | 30 | 0 | 9 mm | Good | Lake Havasu City in October |
| November | 22° / 13° | 1 | 29 | 0 | 13 mm | Good | Lake Havasu City in November |
| December | 16° / 8° | 2 | 29 | 0 | 21 mm | Good | Lake Havasu City in December |