| September 1998 - Summary of Weather | |||
| Highest Temperature | 20.5 | ºC | 1st, 20th |
| Minimum Temperature | 9.5 | ºC | 29th |
| Mean Maximum Temp | 17.6 | ºC | |
| Mean Minimum Temp | 13.5 | ºC | |
| Mean Temperature | 15.6 | ºC | |
| Mean Daily Range | 4.1 | deg C | |
| Maximum Range | 7.5 | deg C | 19th, 24th |
| Highest Minimum | 16.5 | ºC | 1st, 20th |
| Lowest Maximum | 14.0 | ºC | 12th, 13th, 14th, 30th |
| Total Rainfall | 94 | mm | |
| Maximum Daily Rainfall | 32 | mm | 30th |
Temperature and rainfall readings are for the 24 hours ending 6 p.m. GMT.
| September 1998 | |||
TEMPERATURE |
RAINFALL | ||
| Date | MIN (ºC) | MAX (ºC) | mm |
| 1 | 16.5 | 20.5 | 9 |
| 2 | 14.5 | 20 | 2 |
| 3 | 13.5 | 18.5 | |
| 4 | 14.5 | 19.5 | 5 |
| 5 | 15 | 18.5 | 2 |
| 6 | 15.5 | 19.5 | trace |
| 7 | 15.5 | 18.5 | 6 |
| 8 | 15 | 19 | 3 |
| 9 | 15.5 | 18.5 | 4 |
| 10 | 13.5 | 17.5 | 5 |
| 11 | 11.5 | 16.5 | 6 |
| 12 | 10.5 | 14 | 2 |
| 13 | 11.5 | 14 | 2 |
| 14 | 12 | 14 | trace |
| 15 | 13 | 16 | 3 |
| 16 | 12.5 | 16 | |
| 17 | 14.5 | 18.5 | trace |
| 18 | 15 | 19.5 | trace |
| 19 | 12.5 | 20 | |
| 20 | 15 | 20.5 | |
| 21 | 15 | 19.5 | |
| 22 | 13 | 19 | |
| 23 | 12.5 | 18.5 | |
| 24 | 10.5 | 18 | trace |
| 25 | 15 | 17 | 1 |
| 26 | 14.5 | 17 | 10 |
| 27 | 12.5 | 16 | trace |
| 28 | 14 | 15.5 | 1 |
| 29 | 9.5 | 14.5 | 1 |
| 30 | 12.5 | 14 | 32 |