Click on a day for an hourly weather forecast
The temperatures in Reading in September are usually low and can range between 11°C and 19°C.
You can expect about 3 to 8 days of rain in Reading during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Reading in September 2025.
If you’re planning to visit Reading in the near future, we highly recommend that you review the 14 day weather forecast for Reading before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 7° / 2° | 7 | 21 | 3 | 57 mm | Awful | Reading in January |
| February | 8° / 3° | 7 | 17 | 4 | 56 mm | Awful | Reading in February |
| March | 11° / 3° | 5 | 25 | 2 | 43 mm | Bad | Reading in March |
| April | 14° / 5° | 4 | 26 | 1 | 37 mm | Good | Reading in April |
| May | 16° / 7° | 4 | 28 | 0 | 48 mm | Good | Reading in May |
| June | 19° / 11° | 4 | 26 | 0 | 70 mm | Good | Reading in June |
| July | 21° / 13° | 4 | 27 | 0 | 61 mm | Good | Reading in July |
| August | 21° / 13° | 4 | 27 | 0 | 58 mm | Good | Reading in August |
| September | 19° / 11° | 3 | 27 | 0 | 38 mm | Good | Reading in September |
| October | 15° / 9° | 5 | 26 | 0 | 64 mm | Good | Reading in October |
| November | 10° / 6° | 6 | 24 | 0 | 63 mm | Ok | Reading in November |
| December | 8° / 4° | 7 | 22 | 2 | 64 mm | Awful | Reading in December |