Measurements:
°C
°F
CURRENT WEATHER
11:07
Norwalk
64°F
W 7 mph
Feels like: 66°F
Precip: 10%
World Resorts USA Norwalk Weather

7 Day Weather Forecast

09.15
tue
DAY
64°F
W 7 mph
precip
10%
NIGHT
68°F
N 9 mph
precip
17%
09.16
wed
DAY
74°F
NE 9 mph
precip
5%
NIGHT
74°F
NE 6 mph
precip
8%
09.17
thu
DAY
80°F
NE 8 mph
precip
13%
NIGHT
78°F
NE 7 mph
precip
13%
09.18
fri
DAY
78°F
S 6 mph
precip
15%
NIGHT
68°F
SW 14 mph
precip
13%
09.19
sat
DAY
66°F
SW 11 mph
precip
7%
NIGHT
66°F
N 11 mph
precip
32%
09.20
sun
DAY
72°F
NE 16 mph
precip
75%
NIGHT
64°F
SW 13 mph
precip
26%
09.21
mon
DAY
64°F
W 13 mph
precip
16%
NIGHT
66°F
W 10 mph
precip
17%

Norwalk Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Norwalk was 23.1°F. The maximum and minimum values were 22.7°F and 23.5°F respectively.

Norwalk on the Weather Map

Best Time to Visit Norwalk
The most sunny months:
November 15 days
October 14 days
September 14 days
The most warm months:
July 86.2 °F
August 83.4 °F
June 79.5 °F
Warmest sea temperature:
August 76.9 °F
July 75.3 °F
September 74.6 °F
The most cold months:
January 34.3 °F
February 35.6 °F
December 39.7 °F
The most rainy months:
July 3 days
April 3 days
October 3 days
The most windy months:
January 10 mph
December 10 mph
November 10 mph
more details