Measurements:
°C
°F
Lewes
72°F
SW 9 mph
Feels like: 72°F
Precip: 5%
World Resorts USA Lewes Weather

7 Day Weather Forecast

09.15
tue
DAY
76°F
W 11 mph
precip
7%
NIGHT
64°F
NW 5 mph
precip
19%
09.16
wed
DAY
78°F
W 5 mph
precip
4%
NIGHT
64°F
N 5 mph
precip
13%
09.17
thu
DAY
84°F
N 6 mph
precip
1%
NIGHT
70°F
N 7 mph
precip
16%
09.18
fri
DAY
84°F
SW 9 mph
precip
11%
NIGHT
74°F
W 5 mph
precip
10%
09.19
sat
DAY
76°F
NW 10 mph
precip
19%
NIGHT
74°F
N 8 mph
precip
14%
09.20
sun
DAY
94°F
E 11 mph
precip
6%
NIGHT
76°F
SW 7 mph
precip
77%
09.21
mon
DAY
78°F
SW 9 mph
precip
65%
NIGHT
74°F
W 12 mph
precip
24%

Lewes Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Lewes was 24.8°F. The maximum and minimum values were 23.8°F and 25.6°F respectively.

Lewes on the Weather Map

Best Time to Visit Lewes
The most sunny months:
November 17 days
October 15 days
June 15 days
The most warm months:
July 86.9 °F
August 84.1 °F
June 80.8 °F
Warmest sea temperature:
July 79.8 °F
August 79.3 °F
September 75.9 °F
The most cold months:
January 39.2 °F
February 42.3 °F
December 44.8 °F
The most rainy months:
August 4 days
July 3 days
February 3 days
The most windy months:
March 12 mph
January 12 mph
February 11 mph