Click on a day for an hourly weather forecast
The temperatures in Oakland in September are comfortable with low of 14°C and and high up to 25°C.
There is little to no rain in Oakland during September, so it’s a lot easier to explore the city. Just remember to dress in warm layers, as it can still get pretty chilly.
Our weather forecast can give you a great sense of what weather to expect in Oakland in September 2025.
If you’re planning to visit Oakland in the near future, we highly recommend that you review the 14 day weather forecast for Oakland before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 15° / 7° | 4 | 27 | 0 | 63 mm | Good | Oakland in January |
| February | 16° / 7° | 4 | 24 | 0 | 61 mm | Good | Oakland in February |
| March | 17° / 8° | 5 | 26 | 0 | 62 mm | Good | Oakland in March |
| April | 18° / 9° | 2 | 28 | 0 | 22 mm | Good | Oakland in April |
| May | 20° / 10° | 1 | 30 | 0 | 13 mm | Good | Oakland in May |
| June | 23° / 12° | 0 | 30 | 0 | 6 mm | Perfect | Oakland in June |
| July | 25° / 14° | 0 | 31 | 0 | 3 mm | Perfect | Oakland in July |
| August | 25° / 14° | 0 | 31 | 0 | 3 mm | Perfect | Oakland in August |
| September | 25° / 14° | 0 | 30 | 0 | 4 mm | Perfect | Oakland in September |
| October | 23° / 13° | 1 | 30 | 0 | 26 mm | Perfect | Oakland in October |
| November | 18° / 10° | 3 | 27 | 0 | 37 mm | Good | Oakland in November |
| December | 14° / 8° | 4 | 27 | 0 | 55 mm | Good | Oakland in December |