World Resorts Saint Lucia Castries Weather

Castries weather in September

Weather in Castries: September

Average day temperature: 86.9°F
Average night temperature: 81.8°F
Sea water temperature: 84.8°F
Number of sunny days: 5 days
Day length: 12.0 - 12.4 hours
Number of rainy days: 6 days
Precipitation totals: 3.7 in.

Air temperature in September, °F

Show year:
2024
2023
2022

The highest day temperature during September of 2024 was 87°F. At the same time the lowest night temperature was 80°F. Day and night temperature averages during September were 86.1°F and 81.9°F.

Sea water temperature in Castries in September, °F

Show year:
2024
2023
2022

The average sea water temperature in September of 2024 was 86.3°F. The highest and lowest sea temperatures during the month were 86.9°F and 85.8°F.

Sunny, partly cloudy and cloudy days

Mostly all days in September are partly cloudy but sunny or cloudy days are also possible.

Precipitation total in September, in.

Precipitation total value in Castries in September is 4.3 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 10.9 mph It makes September lest windy month of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 6.0.

Best time for vacation in Castries

Sunniest months:
September 5 days
February 4 days
March 4 days
Warmest months:
September 86.9 °F
October 86.1 °F
August 85.9 °F
Warmest sea temp:
September 84.8 °F
October 84.5 °F
August 83.9 °F
Coldest months:
January 82.0 °F
February 82.1 °F
March 82.5 °F
Rainiest months:
August 7 days
September 6 days
October 5 days
Windiest months:
June 15.5 mph
February 15.3 mph
January 15.1 mph

Castries on a weather map

Castries
+84°F
NW 7 mph
Feels like: +91°F
Precip.: 80%
Places in Saint Lucia:
Name
°F
+82°F
+84°F
24 Hours Forecast
Castries
Local time: 12:53
November 21, thursday
1500
84°F
NW
6 mph
1800
81°F
NW
7 mph
2100
81°F
NW
7 mph
November 22, friday
0000
79°F
W
7 mph
0300
81°F
NW
7 mph
0600
81°F
NW
7 mph
0900
82°F
W
10 mph
1200
84°F
W
11 mph
Units of measurement: °C / °F