The temperatures in Kings Lynn in September are comfortable with low of 15°C and and high up to 21°C.
You can expect about 3 to 8 days of rain in Kings Lynn 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 Kings Lynn in September 2025.
If you’re planning to visit Kings Lynn in the near future, we highly recommend that you review the 14 day weather forecast for Kings Lynn before you arrive.
Temperatures
21° / 15°
Rainy Days
3
Snowy Days
0
Dry Days
27
Rainfall
46
mm
Sun Hours
10.2
Hrs
