Search for cities, countries, lakes and rivers
Sea Temperature in Grand-Case in September
Complete information on the sea temperature range in the Caribbean Sea in Grand-Case in September. Historical daily data. Climate details for September. Tips on swimming conditions and beach relaxation in Grand-Case. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.
Water Temperature Range in Grand-Case in September
82°F
MINIMUN
85°F
AVERAGE
88°F
MAXIMUM
Historical Data of Water Temperature in September in Grand-Case
Water Temperature Chart for Caribbean Sea in Grand-Case in September
Sea Temperature Table in Grand-Case in September Over the Past Years
| Day | 2024 | 2023 | 2022 | Average |
|---|---|---|---|---|
| Sep 1 | 84°C | 84°C | 84°C | 84°C |
| Sep 2 | 84°C | 84°C | 82°C | 84°C |
| Sep 3 | 84°C | 82°C | 86°C | 85°C |
| Sep 4 | 84°C | 88°C | 86°C | 86°C |
| Sep 5 | 84°C | 88°C | 86°C | 86°C |
| Sep 6 | 84°C | 88°C | 84°C | 86°C |
| Sep 7 | 84°C | 84°C | 86°C | 85°C |
| Sep 8 | 84°C | 84°C | 84°C | 85°C |
| Sep 9 | 84°C | 88°C | 88°C | 86°C |
| Sep 10 | 84°C | 86°C | 88°C | 86°C |
| Sep 11 | 84°C | 84°C | 84°C | 85°C |
| Sep 12 | 86°C | 82°C | 88°C | 86°C |
| Sep 13 | 84°C | 84°C | 88°C | 86°C |
| Sep 14 | 84°C | 88°C | 88°C | 86°C |
| Sep 15 | 84°C | 84°C | 86°C | 85°C |
| Sep 16 | 84°C | 84°C | 86°C | 85°C |
| Sep 17 | 84°C | 86°C | 88°C | 86°C |
| Sep 18 | 84°C | 84°C | 84°C | 84°C |
| Sep 19 | 84°C | 86°C | 84°C | 85°C |
| Sep 20 | 84°C | 86°C | 88°C | 86°C |
| Sep 21 | 84°C | 86°C | 82°C | 85°C |
| Sep 22 | 86°C | 82°C | 82°C | 85°C |
| Sep 23 | 84°C | 84°C | 86°C | 86°C |
| Sep 24 | 86°C | 84°C | 84°C | 85°C |
| Sep 25 | 86°C | 82°C | 88°C | 86°C |
| Sep 26 | 86°C | 86°C | 84°C | 86°C |
| Sep 27 | 86°C | 86°C | 88°C | 87°C |
| Sep 28 | 86°C | 82°C | 84°C | 85°C |
| Sep 29 | 86°C | 88°C | 82°C | 86°C |
Grand-Case Climate and Swimming Opportunities in September
88°F
Average Day Air Temperature
77°F
Average Night Air Temperature
4 in
Precipitation Amount per Month
13 days
Number of Rainy Days
12 hrs
Daylight
per Day
8 hrs
Sunshine
per Day
10 mph
Average Wind Speed
77%
Average
humidity
Grand-Case lies within in Sint Maarten. The average daytime temperature in Grand-Case in September is 88°F (31°C), while the nighttime average is 77°F (25°C). There are typically 13 rainy days during the month, with a total precipitation of 4.3 inches (110 mm). The daylight duration in September in Grand-Case is 12 hours, with an average of 8 hours of sunshine per day. The average wind speed in September is 10 mph (16 km/h), and the humidity level is around 77%.
The water temperature in Grand-Case in September ranges from 82°F to 86°F (28°C to 30°C). At the beginning of the month, the average temperature is around 84°F (29°C), shifting to 86°F (30°C) by mid-September and reaching 86°F (30°C) in the last ten days. Overall, the average sea temperature in Grand-Case for September is 86°F (30°C). The water is almost like a bath, perfect for those who prefer very warm conditions. However, it may not be as refreshing on extremely hot days.
Sea Temperature in September in Nearby Cities
Frequently Asked Questions About Water Temperatures in September in Grand-Case
What is the sea temperature in Grand-Case in September?
The water temperature in the Caribbean Sea in Grand-Case in September ranges from 82°F to 86°F (28°C to 30°C).
Is it possible to swim in the Caribbean Sea in Grand-Case in September?
The average sea temperature in Grand-Case in September is 86°F (30°C), and the air temperature is 88°F (31°C), so the water is almost like a bath, perfect for those who prefer very warm conditions. However, it may not be as refreshing on extremely hot days.