Weather in Costa Rica in September 2016

Check the weather in Costa Rica in September before you book your next holiday. Long-term weather averages give the best indication of the weather in September 2016 and include figures for temperature, sunshine and rainfall for Costa Rica.

The September weather guide for Costa Rica shown below is for San Jose.

Weather in Costa Rica in September

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All months

  • 24°C maximum daytime temperature in September in Costa Rica (San Jose)24
    24°C max day temperature
  • 6 hours of sunshine per day (49% of daylight hours) in September in Costa Rica6
    6 hours of sunshine per day
  • 24 days with some rainfall in September in Costa Rica (San Jose)24
    24 days with some rainfall
  • 17°C minimum night-time temperature in September in Costa Rica (San Jose)17
    17°C min night temperature
  • 12 hours of daylight per day in September in Costa Rica (San Jose)12
    12 hours of daylight per day
  • Low heat & humidity in September in Costa Rica (San Jose)L
    Low heat & humidity
  • 372 mm monthly rainfall in September in Costa Rica (San Jose)372
    372 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Costa Rica (San Jose)11
    11+ (Extreme) UV index

The average maximum daytime temperature in Costa Rica in September is a warm 24°C (75°F) with low heat & humidity. There are usually 6 hours of bright sunshine each day, which represents 49% of the 12 hours of daylight.

Expect 372mm (14.6 inches) of rainfall across the whole of September with 24 days with some rain falling. Maximum UV levels will be extreme (11+ UV index) at midday when the skies are clear. The average night-time temperature is usually a comfortable 17°C (63°F). The weather in Costa Rica in September is represented by San Jose.

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

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Costa Rica sunrise & sunset times for September 2016

Browse the sunrise & sunset times for Costa Rica in September 2016. Select a month to view Costa Rica sunrise & sunset times for the next twelve months. The Costa Rica sunrise & sunset times shown below are for San Jose.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st September 2016 05:27 17:45
Friday, 2nd September 2016 05:27 17:44
Saturday, 3rd September 2016 05:27 17:44
Sunday, 4th September 2016 05:27 17:43
Monday, 5th September 2016 05:27 17:43
Tuesday, 6th September 2016 05:27 17:42
Wednesday, 7th September 2016 05:27 17:41
Thursday, 8th September 2016 05:27 17:41
Friday, 9th September 2016 05:27 17:40
Saturday, 10th September 2016 05:26 17:40
Sunday, 11th September 2016 05:26 17:39
Monday, 12th September 2016 05:26 17:38
Tuesday, 13th September 2016 05:26 17:38
Wednesday, 14th September 2016 05:26 17:37
Thursday, 15th September 2016 05:26 17:36
Friday, 16th September 2016 05:26 17:36
Saturday, 17th September 2016 05:26 17:35
Sunday, 18th September 2016 05:26 17:34
Monday, 19th September 2016 05:26 17:34
Tuesday, 20th September 2016 05:26 17:33
Wednesday, 21st September 2016 05:26 17:33
Thursday, 22nd September 2016 05:25 17:32
Friday, 23rd September 2016 05:25 17:31
Saturday, 24th September 2016 05:25 17:31
Sunday, 25th September 2016 05:25 17:30
Monday, 26th September 2016 05:25 17:30
Tuesday, 27th September 2016 05:25 17:29
Wednesday, 28th September 2016 05:25 17:28
Thursday, 29th September 2016 05:25 17:28
Friday, 30th September 2016 05:25 17:27
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Costa Rica weather by month

Check Costa Rica weather for a particular month by selecting from the list below. Monthly weather guides include figures for temperature, rainfall, sunshine hours and sea temperature plus daily sunrise & sunset times.

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Costa Rica weather map: Select a destination

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