Cayman Islands Weather in September: Temperature, Precipitation, Wind

Temperature
30.3°C
86.6°F
High temperature
32.7°C
90.9°F
Low temperature
27.6°C
81.7°F
Feels like
36.5°C
97.7°F
Rainy days
25 days
Rainfall level
8.46mm
0.33 inch
Cloud coverage
45.1%
Wind speed
20.3km/h
12.6mph
Daylight time
12:14:41
UV index
9.3
1
rain
31.1°C
88.0°F
2
rain
30.8°C
87.0°F
3
partly cloudy day
29.4°C
85.0°F
4
rain
29.8°C
86.0°F
5
partly cloudy day
30.5°C
87.0°F
6
partly cloudy day
30.1°C
86.0°F
7
partly cloudy day
30.2°C
86.0°F
8
rain
30.0°C
86.0°F
9
partly cloudy day
30.5°C
87.0°F
10
clear day
30.9°C
88.0°F
11
partly cloudy day
31.1°C
88.0°F
12
rain
31.2°C
88.0°F
13
clear day
31.0°C
88.0°F
14
rain
30.9°C
88.0°F
15
rain
30.2°C
86.0°F
16
rain
30.6°C
87.0°F
17
rain
29.6°C
85.0°F
18
rain
30.7°C
87.0°F
19
partly cloudy day
30.5°C
87.0°F
20
rain
29.8°C
86.0°F
21
rain
30.8°C
87.0°F
22
rain
29.9°C
86.0°F
23
rain
30.4°C
87.0°F
24
partly cloudy day
30.3°C
87.0°F
25
rain
29.7°C
85.0°F
26
rain
28.8°C
84.0°F
27
rain
29.0°C
84.0°F
28
partly cloudy day
30.6°C
87.0°F
29
rain
30.3°C
87.0°F
30
rain
30.6°C
87.0°F

In September, the Cayman Islands experience very hot weather with an average daily temperature of 30.3°C (86.5°F), which often rises to highs of 32.7°C (90.9°F) or above. Temperatures rarely drop below 27.6°C (81.7°F) overnight. With these high temperatures, visitors to the Cayman Islands can expect the heat to feel like it is in the mid-30s°C (mid-90s°F) on average, with a heat index occasionally reaching up to 41.3°C (106.3°F).

September is part of the wet season in the Cayman Islands, with an average precipitation rate of 8.46 mm (0.33 inches) per day and a high chance of rain at 63.3%. Rainfall is spread over an average of 25 days throughout the month. The most common type of rainfall is moderate-to-heavy rain, which falls over the islands on 3.1% of September days. The Cayman Islands are known for their long hours of daylight, with an average of 12 hours of sunshine per day in September. The sun rises at around 6:13 am and sets at around 6:27 pm local time on average. The sky is mostly cloudy, with an average cloud cover of 45.1%. The trade winds blow from the east-northeast at an average speed of 20.3 km/h (12.6 mph), occasionally gusting to 22.9 km/h (14.2 mph). The prevailing winds, combined with the average visibility of 20.9 km (13.0 miles), help to keep the Cayman Islands relatively free of haze and fog in September.

What is the temperature in Cayman Islands in September?

Average air temperature in Cayman Islands is 30.3°C (86.6°F) in September. The outside temperature in Cayman Islands feels like 36.5°C (97.7°F) on a typical September day. The highest average temperature during sunny days is 32.7°C (90.9°F) and feels like 41.3°C (106.3°F). The lowest average temperature after dark is 27.6°C (81.7°F) which feels like 31.2°C (88.2°F).

Daily Temperature in Cayman Islands in September 0°C / 32.0°F 10°C / 50.0°F 20°C / 68.0°F 30°C / 86.0°F 40°C / 104.0°F 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

How hot is Cayman Islands in September?

The hot temperature in September in Cayman Islands rises to 34°C (93.2°F) on sunny days with low cloud coverage and 73.3% humidity. During hottest days of September it feels like 48.7 °C (119.7°F). The average maximum temp in Cayman Islands is 32.7°C (119.7°F) during day time in September.

How cold is Cayman Islands in September?

The coldest temp in Cayman Islands in September drops to 25°C (77°F) during the cold nights. With 20.3km/h (12.6mph) winds and 73.3% humidity it feels like 25°C (77°F) on the coldest nights. The average minimum temperature is 27.6°C (81.7°F) during night time in September.

Does it rain in Cayman Islands in September?

Yes, it rains for 25 days in Cayman Islands in September averaging 8.46 mm of precipitation. Cayman Islands has a 63.3% chance for rain throughout the entire month of September.

How much does it rain in Cayman Islands throughout September?

Cayman Islands has 8.46 mm (0.33 inch) of rain per day on average in September. It rains for an average of 25 days out of the entire month.

Is Cayman Islands windy in September?

The average speed of wind in Cayman Islands during September is 20.3km/h (12.6mph) and average windgust is 22.9km/h (14.2mph). On some days in September wind can reach up to 27km/h (16.8mph).

Daily wind speed in Cayman Islands in September 0km/h (0mph) 7km/h (4mph) 14km/h (9mph) 21km/h (13mph) 28km/h (17mph) 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

What is the direction of the wind in Cayman Islands in September?

Most days of September the wind is blowing from East-Northeast direction in Cayman Islands.

What are the humidity levels in Cayman Islands in September?

The average humidity levels in Cayman Islands in September are 73.3%. Daily humidity levels in Cayman Islands range from 68.6% to 85.3% during September.

Daily humidity levels in Cayman Islands in September 0% 22% 44% 66% 88% 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

How many hours of daylight are in Cayman Islands in September?

Cayman Islands has 12 hours 14 minutes of daylight in September on average. Sunset and sunrise times gradually change throughout the month. Sunrise in Cayman Islands in September is at 6:13:08 and the sunset is at 18:27:49.

What is the cloud coverage in Cayman Islands in September?

Clouds cover 45.1% of the sky on average throughout September in Cayman Islands. The cloud coverage ranges from 18.3% to 82.8% depending on the day of the month.

What is the UV level in September in Cayman Islands?

The average UV index in Cayman Islands is 9.3 in September. UV levels change throughout the month and range from 4 to 10.

What is the solar radiation in Cayman Islands in September?

The average solar radiation is 274.4 W/m2 (Watts per square meter) in Cayman Islands during September. However solar radiation levels change throughout the month and range from 81.8 W/m2 to 303.2 W/m2.

What is the solar energy during September in Cayman Islands?

The average solar energy during September in Cayman Islands is 23.6 MJ/m2 (megajoules per square metre). Solar energy ranges from 7 MJ/m2, to 26.1 MJ/m2 during September.

Are there severe weather risks in Cayman Islands in September?

Yes, there is a 66.5% risk for severe weather in Cayman Islands in September.

What is the air pressure in Cayman Islands in September?

On average the air pressure in Cayman Islands in September is 1012.1 mb (millibars). Throughout the month the sea level pressure ranges from 1010 mb to 1013.9 mb.

What is the visibility in Cayman Islands in September?

The average daylight visibility in Cayman Islands in September is 20.9 km (13 miles). Depending on the precipitation the visibility ranges from 17.5 km (10.9 miles) to 25.6 km (15.9 miles) throughout September.

What is the dew point in Cayman Islands in September?

The average dew point in Cayman Islands during September is 24.9°C (76.8°F).

Where is the data for Cayman Islands climate in September coming from?

The climate data for Cayman Islands in September is collected from the following weather stations.

  • ROBERTS, CJ
  • MWCR