Normally, the average daily temperature in Merstham during the duration of September is 12 with a high of 18 with lows around 10. Discover more info below:
| Month | Degrees Celsius |
|---|---|
| Temperature | 12 |
| High Temperature | 18 |
| Low Temperature | 10 |
| Sunshine Per Day | 6 |
Useful Links: Merstham Weather: Average Weather & Yearly Climate