Georgetown Weather in September

September in Georgetown averages 33°C (91°F) during the day and 20°C (68°F) at night. Quite a bit of rainfall is typical this month, with around 103 mm (4.1 in) on average. An umbrella is a good idea.

Rainfall in Georgetown in September

Looking at the last 30 years, the data shows about 7 days with rain, averaging 103 mm (4.1 in) for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Georgetown in September

Georgetown in September gets highs of 33°C (91°F) during the day and drops to 20°C (68°F) at night. The hottest part of the day is usually in the afternoon, so lighter clothing can help you stay comfortable. Nights drop to around 20°C (68°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Georgetown in September

Expect a lot of sunshine this month, with about 234 hours of sun. These sunny conditions add to the overall experience.

September in Georgetown has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Georgetown's climate page.

Georgetown Temperature in September

Min Temperature 20°C (68°F)  

Max Temperature 33°C (91°F)  

Chance of Rain 23%  

Precipitation 103 mm (4.1 in)  

Rainy days 7 days  

Humidity 68% *  

Sunshine 234 hours *  

Percentage Sunshine 63% *  

* Data from: Austin, the United States of America (37 KM, 23 Miles).

What to Wear in Georgetown in September

Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Prepare for significant rainfall with proper waterproof clothing and shoes. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Georgetown in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

9/10

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Georgetown's climate page.

More climate data for Georgetown

Temperature Rainfall Sunshine Humidity

See the full Georgetown climate overview or explore weather in the United States of America.