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The weather in Claremont in September is hot. The average temperatures are between 21°C and 31°C.
There shouldn't be any rainy days in in Claremont 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 Claremont in September 2025.
If you’re planning to visit Claremont in the near future, we highly recommend that you review the 14 day weather forecast for Claremont before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 19° / 9° | 2 | 29 | 0 | 57 mm | Good | Claremont in January |
| February | 19° / 9° | 2 | 26 | 0 | 63 mm | Good | Claremont in February |
| March | 20° / 10° | 2 | 29 | 0 | 36 mm | Good | Claremont in March |
| April | 22° / 12° | 1 | 29 | 0 | 22 mm | Good | Claremont in April |
| May | 24° / 14° | 0 | 31 | 0 | 7 mm | Perfect | Claremont in May |
| June | 28° / 18° | 0 | 30 | 0 | 1 mm | Perfect | Claremont in June |
| July | 31° / 21° | 0 | 31 | 0 | 10 mm | Good | Claremont in July |
| August | 32° / 22° | 0 | 31 | 0 | 6 mm | Good | Claremont in August |
| September | 31° / 21° | 0 | 30 | 0 | 5 mm | Good | Claremont in September |
| October | 26° / 17° | 1 | 30 | 0 | 10 mm | Perfect | Claremont in October |
| November | 22° / 12° | 1 | 29 | 0 | 22 mm | Good | Claremont in November |
| December | 18° / 9° | 3 | 28 | 0 | 72 mm | Good | Claremont in December |