Generally, average temperature in Cosham throughout September is 13. Throughout the month you should see a high of 18 with lows about 12 celsius. We have put some more information here:
| Month | Degrees Celsius |
|---|---|
| Temperature | 13 |
| High Temperature | 18 |
| Low Temperature | 12 |
| Sunshine Per Day | 6 |
Useful Links: Cosham Weather: Average Weather & Yearly Climate