Measurements:
°C
°F
CURRENT WEATHER
17:57
Castries
86°F
W 13 mph
Feels like: 94°F
Precip: 40%
World Resorts Saint Lucia Castries Weather

14 Day Weather Forecast

09.28
mon
DAY
90°F
W 14 mph
precip
24%
NIGHT
86°F
W 14 mph
precip
21%
09.29
tue
DAY
90°F
W 15 mph
precip
13%
NIGHT
84°F
W 13 mph
precip
30%
09.30
wed
DAY
90°F
W 14 mph
precip
25%
NIGHT
84°F
W 14 mph
precip
18%
10.01
thu
DAY
90°F
W 16 mph
precip
4%
NIGHT
84°F
W 14 mph
precip
18%
10.02
fri
DAY
90°F
W 14 mph
precip
5%
NIGHT
84°F
W 11 mph
precip
31%
10.03
sat
DAY
90°F
W 12 mph
precip
21%
NIGHT
86°F
W 14 mph
precip
18%
10.04
sun
DAY
88°F
W 15 mph
precip
10%
NIGHT
86°F
W 14 mph
precip
21%
10.05
mon
DAY
88°F
W 16 mph
precip
63%
NIGHT
84°F
W 11 mph
precip
38%
10.06
tue
DAY
86°F
W 11 mph
precip
33%
NIGHT
82°F
W 9 mph
precip
27%
10.07
wed
DAY
86°F
NW 10 mph
precip
56%
NIGHT
80°F
NW 6 mph
precip
46%
10.08
thu
DAY
82°F
W 6 mph
precip
75%
NIGHT
82°F
NW 7 mph
precip
43%
10.09
fri
DAY
86°F
N 1 mph
precip
53%
NIGHT
82°F
NW 6 mph
precip
25%
10.10
sat
DAY
88°F
W 4 mph
precip
26%
NIGHT
84°F
W 6 mph
precip
25%
10.11
sun
DAY
88°F
W 3 mph
precip
57%
NIGHT
82°F
W 7 mph
precip
56%

Castries Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Castries was 88.8°F. The maximum and minimum values were 88.2°F and 89.2°F respectively.

Castries on the Weather Map

Best Time to Visit Castries
The most sunny months:
December 4 days
March 4 days
September 4 days
The most warm months:
September 90.8 °F
October 90.0 °F
August 89.7 °F
Warmest sea temperature:
September 88.7 °F
October 88.4 °F
August 87.7 °F
The most cold months:
January 85.3 °F
February 85.4 °F
March 85.7 °F
The most rainy months:
August 7 days
October 5 days
September 5 days
The most windy months:
June 16 mph
February 15 mph
July 15 mph
more details
Saint Lucia Resorts:
NAME
F°
Castries +86
Vieux Fort +86
24 Hours Weather Forecast
Castries
Local time: 17:57
28 sep, monday
1800 86°F
W
13 mph
2100 86°F
W
13 mph
29 sep, tuesday
0000 86°F
W
14 mph
0300 84°F
W
11 mph
0600 84°F
SW
14 mph
0900 88°F
W
15 mph
1200 90°F
W
15 mph
1500 88°F
SW
15 mph