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The weather in Hemet in September is hot. The average temperatures are between 18°C and 32°C. Usually the days in September are hot while the nights are a bit cooler.
You can expect a few rainy days in Hemet 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 Hemet in September 2025.
If you’re planning to visit Hemet in the near future, we highly recommend that you review the 14 day weather forecast for Hemet before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 17° / 5° | 4 | 27 | 0 | 64 mm | Good | Hemet in January |
| February | 18° / 5° | 4 | 24 | 0 | 70 mm | Good | Hemet in February |
| March | 19° / 6° | 4 | 27 | 0 | 51 mm | Good | Hemet in March |
| April | 23° / 8° | 2 | 28 | 0 | 28 mm | Perfect | Hemet in April |
| May | 25° / 10° | 1 | 30 | 0 | 14 mm | Perfect | Hemet in May |
| June | 30° / 14° | 0 | 30 | 0 | 1 mm | Good | Hemet in June |
| July | 33° / 19° | 1 | 30 | 0 | 7 mm | Good | Hemet in July |
| August | 34° / 20° | 1 | 30 | 0 | 4 mm | Ok | Hemet in August |
| September | 32° / 18° | 1 | 29 | 0 | 8 mm | Good | Hemet in September |
| October | 27° / 12° | 2 | 29 | 0 | 17 mm | Perfect | Hemet in October |
| November | 21° / 8° | 2 | 28 | 0 | 35 mm | Good | Hemet in November |
| December | 16° / 5° | 4 | 27 | 0 | 89 mm | Good | Hemet in December |