Weather in Cayenne in September 2018

  • 32°C maximum daytime temperature in September in Cayenne32
    32°C max day temperature
  • 8 hours of sunshine per day (68% of daylight hours) in September in Cayenne8
    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

Going to Cayenne? Find the best month to visit Cayenne based on the weather.

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Expect 32°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Cayenne in September. Check more long-term weather averages for Cayenne in September before you book your next holiday to French Guiana in 2018.

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More about Cayenne

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

Guide to Cayenne weather in September

The average maximum daytime temperature in Cayenne in September is a hot 32°C (90°F) with very high heat & humidity. The average night-time temperature is usually a warm 23°C (73°F). There are usually 8 hours of bright sunshine each day, which represents 68% of the 12 hours of daylight.

Expect 40mm (1.6 inches) of rainfall across the whole of September with 4 days with some rain falling. Maximum UV levels will be extreme (11+ UV index) at midday when the skies are clear.

The average sea temperature in and around Cayenne in September is 28°C (82°F).

Cayenne sunrise & sunset times for September 2018

Browse the sunrise & sunset times for Cayenne in September 2018. Select a month to view Cayenne sunrise & sunset times for the next twelve months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Saturday, 1st September 2018 06:23 18:35
Sunday, 2nd September 2018 06:23 18:35
Monday, 3rd September 2018 06:23 18:34
Tuesday, 4th September 2018 06:23 18:34
Wednesday, 5th September 2018 06:22 18:34
Thursday, 6th September 2018 06:22 18:33
Friday, 7th September 2018 06:22 18:33
Saturday, 8th September 2018 06:22 18:32
Sunday, 9th September 2018 06:21 18:32
Monday, 10th September 2018 06:21 18:31
Tuesday, 11th September 2018 06:21 18:31
Wednesday, 12th September 2018 06:21 18:30
Thursday, 13th September 2018 06:21 18:30
Friday, 14th September 2018 06:20 18:29
Saturday, 15th September 2018 06:20 18:29
Sunday, 16th September 2018 06:20 18:28
Monday, 17th September 2018 06:20 18:28
Tuesday, 18th September 2018 06:20 18:27
Wednesday, 19th September 2018 06:19 18:27
Thursday, 20th September 2018 06:19 18:26
Friday, 21st September 2018 06:19 18:26
Saturday, 22nd September 2018 06:19 18:25
Sunday, 23rd September 2018 06:18 18:25
Monday, 24th September 2018 06:18 18:24
Tuesday, 25th September 2018 06:18 18:24
Wednesday, 26th September 2018 06:18 18:23
Thursday, 27th September 2018 06:18 18:23
Friday, 28th September 2018 06:17 18:22
Saturday, 29th September 2018 06:17 18:22
Sunday, 30th September 2018 06:17 18:21
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