September weather forecast
Kourou, French Guiana

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Weather in September

September brings even drier conditions to Kourou, French Guiana, with rainfall dropping to a low 33mm (1.3"). As the driest month of the year, September indicates the height of the dry season. The reduced rainfall allows uninterrupted beach stays, extensive exploration of the outdoors, and unhindered access to several tourist sites. High sunshine hours contribute to favorable sightseeing and wildlife sighting conditions. In general, September provides tourists with a seamless travel experience and the locals with a much-needed break from the extensive rainy season.

Temperature

The transition from August to September in Kourou sees an average high-temperature of a still hot 31.7°C (89.1°F), indicating a minor variance from the prior month. During the nights in September, Kourou experiences a consistent average temperature of 22.6°C (72.7°F).

Rainfall

September is the month with the least rainfall. Rain falls for 4.4 days and accumulates 33mm (1.3") of precipitation.

Sea temperature

In Kourou, the average seawater temperature in September is 28.4°C (83.1°F).
Note: Swimming, diving, and other activities in water temperatures between 25°C (77°F) and 29°C (84.2°F) are thought to be quite enjoyable and satisfying for extended periods, with no discomfort.

Daylight

In September, the average length of the day is 12h and 9min.
On the first day of September, sunrise is at 06:24 and sunset at 18:36. On the last day of the month, sunrise is at 06:18 and sunset at 18:22 -03.

Sunshine

With an average of 8.7h of sunshine, September has the most sunshine of the year in Kourou.
Updated: Jan 31, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it hot in Kourou during September?

In Kourou, in September, the average high-temperature is 31.7°C (89.1°F), and the average low-temperature is 22.6°C (72.7°F).

What is the driest month in Kourou?

The month with the least rainfall in Kourou, French Guiana, is September, when the rain falls for 4.4 days and typically collects 33mm (1.3") of precipitation.

How many days does it rain in September in Kourou?

In Kourou, in September, during 4.4 rainfall days, 33mm (1.3") of precipitation is typically accumulated.

What is the sea water temperature in September in Kourou?

In September, the average sea temperature is 28.4°C (83.1°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

What is the average length of the day in September in Kourou?

In September, the average day length in Kourou, French Guiana, is 12h and 9min.

What time are sunrise and sunset in September in Kourou?

On the first day of September in Kourou, French Guiana, sunrise is at 06:24 and sunset at 18:36. On the last day of the month, sunrise is at 06:18 and sunset at 18:22 -03.

What month has the most sunshine in Kourou?

With an average of 8.7h of sunshine, September has the most sunshine of the year in Kourou, French Guiana.

How many hours of sunshine does Kourou have in September?

The average sunshine duration in September in Kourou is 8.7h.
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Average temperature in September
Kourou, French Guiana

Average temperature in September - Kourou, French Guiana
  • Average high temperature in September: 31.7°C

The warmest month (with the highest average high temperature) is October (31.9°C).
The month with the lowest average high temperature is January (29°C).

  • Average low temperature in September: 22.6°C

The month with the highest average low temperature is April (24.3°C).
The coldest month (with the lowest average low temperature) is September (22.6°C).

Average rainfall in September
Kourou, French Guiana

Average rainfall in September - Kourou, French Guiana
  • Average rainfall in September: 32.8mm

The wettest month (with the highest rainfall) is May (503.2mm).
The driest month (with the least rainfall) is September (32.8mm).

Average rainfall days in September
Kourou, French Guiana

Average rainfall days in September - Kourou, French Guiana
  • Average rainfall days in September: 4.4 days

The month with the highest number of rainy days is May (24.9 days).
The month with the least rainy days is September (4.4 days).

Average sea temperature in September
Kourou, French Guiana

Average sea temperature in September - Kourou, French Guiana
  • Average sea temperature in September: 28.4°C

The best month for swimming (with the highest average sea temperature) is August (28.6°C).
The coldest month (with the lowest average sea temperature) is February (27.1°C).

Average daylight in September /
Average sunshine in September
Kourou, French Guiana

Average daylight in September / Average sunshine in September - Kourou, French Guiana
  • Average daylight in September: 12h and 1min

The month with the longest days is June (Average daylight: 12h and 24min).
The month with the shortest days is December (Average daylight: 11h and 48min).

  • Average sunshine in September: 8h and 4min

The month with the most sunshine is September (Average sunshine: 8h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Kourou, French Guiana

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