The temperatures in Sussex in October are quite cold with temperatures between 8°C and 16°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Sussex during the month of October. 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 Sussex in October 2025.
If you’re planning to visit Sussex in the near future, we highly recommend that you review the 14 day weather forecast for Sussex before you arrive.
Temperatures
16° / 8°
Rainy Days
6
Snowy Days
0
Dry Days
25
Rainfall
125
mm
Sun Hours
6.0
Hrs