Measurements:
°C
°F
CURRENT WEATHER
21:23
Plymouth
56°F
SE 10 mph
Feels like: 52°F
Precip: 18%
World Resorts United Kingdom Plymouth Weather

7 Day Weather Forecast

09.08
tue
DAY
64°F
SE 18 mph
precip
14%
NIGHT
54°F
SE 10 mph
precip
25%
09.09
wed
DAY
60°F
SE 9 mph
precip
15%
NIGHT
50°F
W 0 mph
precip
29%
09.10
thu
DAY
66°F
NE 13 mph
precip
13%
NIGHT
60°F
NE 11 mph
precip
39%
09.11
fri
DAY
68°F
SE 8 mph
precip
18%
NIGHT
52°F
S 6 mph
precip
15%
09.12
sat
DAY
58°F
N 6 mph
precip
23%
NIGHT
62°F
NE 7 mph
precip
31%
09.13
sun
DAY
68°F
NE 6 mph
precip
39%
NIGHT
58°F
SE 2 mph
precip
20%
09.14
mon
DAY
72°F
N 7 mph
precip
21%
NIGHT
64°F
NW 2 mph
precip
21%

Plymouth Sea Water Temperature in September, °F

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Plymouth was 16.4°F. The maximum and minimum values were 15.1°F and 17.6°F respectively.

Plymouth on the Weather Map

Best Time to Visit Plymouth
The most sunny months:
July 10 days
June 9 days
April 9 days
The most warm months:
July 68.1 °F
August 67.8 °F
September 64.0 °F
Warmest sea temperature:
August 63.3 °F
September 62.5 °F
July 62.2 °F
The most cold months:
January 46.7 °F
February 47.3 °F
December 49.5 °F
The most rainy months:
December 7 days
October 7 days
January 7 days
The most windy months:
December 16 mph
February 16 mph
January 16 mph
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