Cayenne weather in September 2022

  • 32°C maximum daytime temperature in September in Cayenne32
    32°C max day temperature
  • 8 hours of sunshine per day
  • 4 days with some rainfall in September in Cayenne4
    4 days with some rainfall
  • 23°C minimum night-time temperature in September in Cayenne23
    23°C min night temperature
  • 12 hours of daylight per day in September in Cayenne12
    12 hours of daylight per day
  • Very high heat & humidity in September in CayenneVH
    Very High heat & humidity
  • 40 mm monthly rainfall in September in Cayenne40
    40 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Cayenne11
    11+ (Extreme) UV index
  • 28°C sea temperature in September in Cayenne28
    28°C sea temperature
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Recommended for French Guiana

The September weather guide for French Guiana, represented by Cayenne, (Cayenne) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

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Metric (°C / mm)  |  Imperial (°F / inches)

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How hot is it in Cayenne in September?

Daytime temperatures usually reach 32°C in Cayenne in September with very high heat and humidity, falling to 23°C at night.

How sunny is it in Cayenne in September?

There are normally 8 hours of bright sunshine each day in Cayenne in September - that's 68% of daylight hours.

How warm is the sea around Cayenne in September?

The average sea temperature around Cayenne in September is 28°C.

Does it rain in Cayenne in September?

There are usually 4 days with some rain in Cayenne in September and the average monthly rainfall is 40mm.

Cayenne September sunrise & sunset times

Browse the sunrise and sunset times for Cayenne in September 2022. Select a month to view Cayenne sunrise and sunset times for the next 12 months.


Date Sunrise times Sunset times
Thursday, 1st September 2022 06:23 18:35
Thursday, 15th September 2022 06:20 18:29
Friday, 30th September 2022 06:17 18:21

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