easeweather.com
West Bay
George TownGrand Cayman
West Bay
More Locations
Cayman Islands weather

Weather in West Bay for September 2026

Your guide to West Bay weather in September - trends and predictions

    Temperatures

  • Until now, September 2026 in West Bay has been nearly identical to the historical average, with a temperature of 29.8 °C (showing only a slight deviation of 0.4 °C).

  • The forecast for the next days in West Bay predicts temperatures to be around 29 °C, close to the historical average.

  • In general, the average temperature in West Bay at the beginning of September is 29.7 °C. As the month progressed, temperatures tended to slightly decrease, reaching an average of 29.4 °C by the end of September.

    • Rain 🌧️

  • The climate of West Bay in September is notably wet, with an average of 15 rainy days, and a total of 221.8 mm of precipitation.

Average dry days
15
Dry days
Average rainy days
15
Rainy days
Average snowy days
0
Snow days
Average temperatures
30°/28°
Temperatures
Average wind speed
19 km/h
Avg max wind
Average humidity
76 %
Avg humidity

West Bay Weather September

Move between months or click on a day
August
October
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Patchy rain possible
30°
2
Overcast
29°
3
Patchy rain possible
30°
4
Thundery outbreaks possible
30°
5
Patchy rain possible
29°
6
Thundery outbreaks possible
30°
7
Patchy rain possible
30°
8
Patchy rain possible
30°
9
Cloudy
31°
10
Thundery outbreaks possible
31°
11
Patchy rain possible
30°
12
Cloudy
31°
13
Overcast
30°
14
Partly cloudy
31°
15
Patchy rain possible
31°
16
Partly cloudy
31°
17
Patchy rain possible
31°
18
Cloudy
30°
19
Moderate or heavy rain shower
31°
20
Moderate or heavy rain shower
29°
21
Partly cloudy
31°
22
Patchy rain possible
30°
23
Partly cloudy
30°
24
Moderate or heavy rain shower
30°
25
Moderate or heavy rain shower
30°
26
Torrential rain shower
30°
27
Overcast
29°
28
Overcast
29°
29
Overcast
29°
30
Light rain shower
29°

Temperatures trend during September in West Bay

See the weather trend as well as the moving average line

September weather in West Bay day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Patchy rain possible
Patchy rain possible
 30° /28° 1.1 mm 8
2 Sept. Overcast
Overcast
 29° /28° 1.9 mm 8
3 Sept. Patchy rain possible
Patchy rain possible
 30° /28° 2.7 mm 6
4 Sept. Thundery outbreaks possible
Thundery outbreaks possible
 30° /28° 1.4 mm 7
5 Sept. Patchy rain possible
Patchy rain possible
 29° /27° 3.6 mm 7
6 Sept. Thundery outbreaks possible
Thundery outbreaks possible
 30° /28° 5.7 mm 7
7 Sept. Patchy rain possible
Patchy rain possible
 30° /28° 0.9 mm 7
8 Sept. Patchy rain possible
Patchy rain possible
 30° /28° 2.8 mm 8
9 Sept. Cloudy
Cloudy
 31° /28° 8 mm 7
10 Sept. Thundery outbreaks possible
Thundery outbreaks possible
 31° /28° 2.8 mm 7
11 Sept. Patchy rain possible
Patchy rain possible
 30° /28° 2.2 mm 6
12 Sept. Cloudy
Cloudy
 31° /28° 0.1 mm 8
13 Sept. Overcast
Overcast
 30° /28° 3 mm 7
14 Sept. Partly cloudy
Partly cloudy
 31° /29° 1.4 mm 9
15 Sept. Patchy rain possible
Patchy rain possible
 31° /28° 0.4 mm 8
16 Sept. Partly cloudy
Partly cloudy
 31° /28° 1.8 mm 7
17 Sept. Patchy rain possible
Patchy rain possible
 31° /28° 2.9 mm 8
18 Sept. Cloudy
Cloudy
 30° /28° 4.2 mm 6
19 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 31° /28° 11.4 mm 6
20 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 29° /27° 12.2 mm 6
21 Sept. Partly cloudy
Partly cloudy
 31° /28° 11 mm 6
22 Sept. Patchy rain possible
Patchy rain possible
 30° /27° 6.5 mm 5
23 Sept. Partly cloudy
Partly cloudy
 30° /28° 4.1 mm 6
24 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 30° /27° 33 mm 6
25 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 30° /28° 44.2 mm 6
26 Sept. Torrential rain shower
Torrential rain shower
 30° /27° 31.1 mm 7
27 Sept. Overcast
Overcast
 29° /28° 7.3 mm 10
28 Sept. Overcast
Overcast
 29° /28° 0.6 mm 9.1
29 Sept. Overcast
Overcast
 29° /28° 3 mm 9.7
30 Sept. Light rain shower
Light rain shower
 29° /24° 9.9 mm 5
Next
Important Notice
Our weather forecast for West Bay in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the West Bay forecast closer to your planned date for the most up-to-date weather information.
Change Month
‹
›

West Bay in September - FAQ

What are the expected maximum and minimum temperatures in West Bay during September?
During September, expect a variety of temperatures with highs around 30° and lows near 28°, suitable for diverse activities and preferences.

How much rainfall should be expected in West Bay during September?
Significant rainfall exceeding 221.8 mm is expected in West Bay during September, occurring over more than 15 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in West Bay during September?
The average wind speed in West Bay during September is 19 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in West Bay

Explore the daily rainfall trends and prepare for West Bays September weather 💧
Typically, West Bay has 15 rainy days in September with a total of 221.8 mm of rainfall.

UV exposure in West Bay during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️

Quick links

More West Bay weather pages
You are here
Location coordinates Where is West Bay?

Get accurate weather forecasts for West Bay, located at latitude 19.382 and longitude -81.393. Stay updated with localized weather information tailored for West Bay.

Found a mistake?
We appreciate your attention to details. Tell us here.