The weather in September in Great Harbour Cay

It's hot in September in Great Harbour Cay with an average temperature of 32°C. Temperatures this month range from a low of 31°C to a high of 33°C. At night, you can expect temperatures between 25°C and 27°C.

Looking for sun? September isn’t a good month to be in Great Harbour Cay. The temperature is nice, but there’s too much chance of rain.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for Great Harbour Cay, Bahamas. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Temperature records

With 35°C in 2016, Great Harbour Cay reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 26°C in 2020. The extreme nighttime temperatures ranged from a lowest recorded value of 20°C to a highest value of 29°C.

Rainfall amount

In September, there is an average of 166 mm of precipitation, spread over 19 days. The wind speed is around 4 Bft, mostly coming from the Southeast.

Daily weather in September for Great Harbour Cay

Click on any day in September to get detailed info about the usual weather on that day in Great Harbour Cay. Check out the historical temperatures and precipitation over the past 10 years on this day.

1

33° / 26°

2

32° / 27°

3

32° / 26°

4

33° / 27°

5

33° / 27°

6

32° / 26°

7

32° / 26°

8

32° / 26°

9

32° / 26°

10

33° / 27°

11

32° / 27°

12

32° / 26°

13

32° / 26°

14

32° / 26°

15

33° / 26°

16

33° / 26°

17

32° / 26°

18

33° / 26°

19

32° / 25°

20

32° / 26°

21

32° / 27°

22

32° / 26°

23

31° / 26°

24

31° / 26°

25

32° / 25°

26

32° / 25°

27

31° / 26°

28

32° / 26°

29

32° / 26°

30

32° / 26°

Start of September

The month of September starts in Great Harbour Cay with hot temps, averaging around 33°C during the day and nights around 27°C.

Mid September

By mid-September, daytime temps stay steady at around 33°C, with nights around 26°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.

End of September

By the end of September, the average daytime temperature in Great Harbour Cay is around 32°C, while nighttime temps are about 26°C. There’s a significant chance of many days with precipitation.

UV index

The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.

The hurricane season in Great Harbour Cay runs from June to November.

Check out the climate of Great Harbour Cay for all months and discover the best travel time

Temperature charts

These charts show the average temperatures in September in Great Harbour Cay, Bahamas. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in September in Great Harbour Cay

Temperature in September in Great Harbour Cay over the years

Precipitation charts

These charts show the average amount of precipitation in September in Great Harbour Cay, Bahamas. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Daily Precipitation in September in Great Harbour Cay

Total precipitation in September in Great Harbour Cay over the years

Daily UV index in September in Great Harbour Cay

This chart shows the average daily UV index in September in Great Harbour Cay, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Have you been to Great Harbour Cay in September?

Share your weather experience in September in Great Harbour Cay.

Average weather in Great Harbour Cay by month

Click on a month below to see detailed weather info for Great Harbour Cay. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.