Georgetown Weather in September
Georgetown in September averages 31°C (88°F) during the day and 26°C (79°F) at night. Keep in mind that quite a bit of rainfall is expected this month.
Rainfall in Georgetown in September
Analyzing past climate data, one can expect approximately 13 days of rain, averaging 107 mm (4.2 in). Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.
Temperature in Georgetown in September
Expect highs of 31°C (88°F) in Georgetown in September, with nights dropping to around 26°C (79°F). Sunshine and humidity can make it feel even warmer than the raw temperature suggests. Nights are warm at 26°C (79°F). It's worth making sure your accommodation has decent ventilation or air conditioning.
Sunshine in Georgetown in September
The city usually sees around 228 hours of sunlight, indicating many sunny days — a great month for sightseeing.
Wind Speed in Georgetown in September
Wind speeds average 2 m/s (4 knots) during September. At this speed, expect light breezes that you can feel on your face and cause leaves to rustle gently. Since this is an average, some days are calmer with barely any wind while others have more noticeable gentle breezes.
Average water temperature in September
With water at 28°C (82°F), you can expect warm, pleasant conditions for any water activity. There's no adjustment period — it feels comfortable straight away.For Georgetown itself, January, February, March and April generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Guyana, check out our Georgetown's climate page.
Georgetown Temperature in September
Min Temperature
26°C (79°F)
Max Temperature
31°C (88°F)
Water Temperature
28°C (82°F)
Chance of Rain
44%
Precipitation
107 mm (4.2 in)
Rainy days
13 days
Humidity
81%
Windspeed
2 m/s (4 knots)
Sunshine
228 hours
Percentage Sunshine
Historical weather for Georgetown in September
Browse day-by-day weather records for Georgetown spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Georgetown historical weather extremes in September
Based on 21 years of weather observations in Georgetown between 2004 and 2025, these are the recorded extremes.
- The warmest day in September was on September 4, 2009, with a maximum of 36°C (97°F).
- The lowest daytime temperature in September was 26°C (79°F), recorded on September 23, 2007.
- Nighttime temperatures dropped to 20°C (68°F) on September 29, 2005, marking the coldest September night on record.
Best Places in Guyana in September
Find out more about the weather in Guyana and which places have the best travel conditions in this month. See all of Guyana in September →
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What to Wear in Georgetown in September
Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). High rain levels are expected, so pack waterproof gear and an umbrella or poncho. With water temperatures around 28°C (82°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water 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.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Guyana, check out our Georgetown's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Georgetown climate overview or explore weather in Guyana.
