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Weather in September in Cayenne

< September >
maximum temperature iconNormal Max/ High Temperature 32°C (90°F)
average temperature iconAverage Temperature 28°C (82°F)
minimum temperature iconMin/ Low Temperature 23°C (73°F)
rainfall iconNormal Precipitation 32mm (1.3in)
rain days iconNumber of Wet Days (probability of rain on a day) 6 (20%)
sunshine iconAverage Sunlight per day 08:25
daylight iconAverage Daylight per day 12:08
sunny or cloudy iconSunny (Cloudy) Daylight Hours 70% (30%)
sun altitude iconSun altitude at solar noon on the 21st day.
  • The average temperature in Cayenne is hot at 27.5 °C (81.5 °F).
  • Overnight temperatures are generally fairly hot with an average low of 23 °C (73.4 °F).
  • The skies in Cayenne are moderately sunny having an average of a respectable 8:25 of magnificent sunshine per day.
  • It is sunny approximately 70% of daylight hours and cloudy 30% of daylight hours.
  • The weather in September is dry with periodic rain. A mere 32mm (1.3in) of H2O is dropped across on average 6 days.
  • There are approximately 3:36 per day when bright sunshine is absent due to cloud, haze or the sun being too low on the horizon to register.
  • In September the mean daily temperature range/ variation is 9 °C (16.2 °F).
  • The shortest day is 12:04 long and the longest day is 12:12 long with an average length of 12:08.
  • Afternoons can be very, very hot with average high temperatures reaching 32 °C (89.6 °F).

Weather Trend Graph for September in Cayenne, French Guiana

Graph of weather in Cayenne in September

Cayenne Weather in September Discussion

We are pleased to announce the release of the new discussion section. Here you will discover a wealth of knowledge about the various aspects of the local climate presented by our international community. We would like to invite you to help get discussion started by visiting those locations you are familiar with. Is there something noteworthy about the climate there that you can enlighten us about? Discussion is subdivided into specific topics such as the months of the year and aspects such as day length and temperature. When you have an idea of something fascinating to share please visit the specific page most fitting and add your post using the simple interface. No registration or third party network login is necessary.

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