Click on a day for an hourly weather forecast
The weather in Redlands in September is hot. The average temperatures are between 16°C and 31°C. Usually the days in September are hot while the nights are a bit cooler.
There shouldn't be any rainy days in in Redlands during September. Having said that, the days are very hot in September so hanging out outside is more recomanded during the after noons and evening time.
Our weather forecast can give you a great sense of what weather to expect in Redlands in September 2025.
If you’re planning to visit Redlands in the near future, we highly recommend that you review the 14 day weather forecast for Redlands before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 16° / 4° | 2 | 28 | 0 | 48 mm | Good | Redlands in January |
| February | 16° / 4° | 2 | 24 | 2 | 55 mm | Ok | Redlands in February |
| March | 18° / 5° | 2 | 28 | 1 | 32 mm | Good | Redlands in March |
| April | 21° / 7° | 1 | 29 | 0 | 24 mm | Good | Redlands in April |
| May | 24° / 9° | 1 | 30 | 0 | 9 mm | Perfect | Redlands in May |
| June | 30° / 13° | 0 | 30 | 0 | 3 mm | Good | Redlands in June |
| July | 33° / 18° | 1 | 30 | 0 | 20 mm | Good | Redlands in July |
| August | 33° / 18° | 1 | 30 | 0 | 12 mm | Good | Redlands in August |
| September | 31° / 16° | 0 | 30 | 0 | 6 mm | Good | Redlands in September |
| October | 25° / 10° | 1 | 30 | 0 | 7 mm | Perfect | Redlands in October |
| November | 20° / 6° | 1 | 29 | 0 | 18 mm | Good | Redlands in November |
| December | 15° / 3° | 3 | 28 | 0 | 59 mm | Good | Redlands in December |