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Normal weather for Georgetown in September

It's warm in September in Georgetown with an average temperature of 27°C. Temperatures this month range from a low of 23°C to a high of 30°C. At night, you can expect temperatures between 12°C and 20°C.

In September, there is an average of 114 mm of precipitation, spread over 14 days. The wind speed is around 3 Bft, mostly coming from the South.

Georgetown in September

New York
Temperature Average Temperature
27°C 27°C
Sun High Temp
30°C 31°C
Sun Low Temp
23°C 21°C
Rain Total Precipitation
114 mm 57 mm
Rain Rainy Days
14 days 9 days

Start of September

The month of September starts in Georgetown with hot temps, averaging around 29°C during the day and nights around 19°C. You can expect regular precipitation, but there will also be some sunny days in the early part of the month.

With the temperature difference between day and night, it’s smart to wear layers. For the daytime, light clothing like shorts or a dress, and a hat and sunglasses are perfect. In the evening and morning, a T-shirt, light pants or skirt, and a light jacket are ideal.

Mid September

By mid-September, daytime temps drop to around 27°C, with nights around 17°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.

Since it cools down at night, it’s a good idea to wear layers. For the daytime, light clothing like shorts or a dress, and a hat and sunglasses are perfect. For the evening and morning, a shirt, maybe a light sweater, and thin pants are recommended.

End of September

By the end of September, the average daytime temperature in Georgetown is around 26°C, while nighttime temps are about 15°C. A shower might pop up, but overall, the weather will be dry and sunny.

Because temperatures drop in the evening, wearing layers is recommended. For the daytime, light clothing like shorts or a dress, and a hat and sunglasses are perfect. For the evening and morning, a shirt, maybe a light sweater, and thin pants are recommended.

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UV index

The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.

Is September a good time to visit Georgetown?

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

Temperature records for Georgetown in September

Check out the climate of Georgetown for all months and discover the best travel time

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Daily Temperature in September in Georgetown

This chart shows the average daily high and low temperatures in September for Georgetown, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.

Daily Temperature in September in Georgetown

Daily Precipitation in September in Georgetown

The chart below shows the average daily precipitation in September for Georgetown, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.

A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for September, you can expect about 14 days of precipitation in Georgetown.

Daily Precipitation in September in Georgetown

Daily UV Index in September in Georgetown

This chart shows the average daily UV index in September in Georgetown, 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.

Daily UV Index in September in Georgetown

Temperature in September in Georgetown Over the Years

This chart shows the average temperature in September in Georgetown, measured in degrees Celsius, over the past few years.

Temperature in September in Georgetown Over the Years

Total Precipitation in September in Georgetown Over the Years

This chart shows the average precipitation in September in Georgetown, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.

Precipitation in September in Georgetown Over the Years

Daily Climate in September for Georgetown

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

Weather experiences in September in Georgetown

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Average Weather in Georgetown by Month

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


Or check out the climate of Georgetown for all months at once

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