Weather in San Jose in September 2019

  • 24°C maximum daytime temperature in September in San Jose24
    24°C max day temperature
  • 6 hours of sunshine per day (49% of daylight hours) in September in San Jose6
    6 hours of sunshine per day
  • 24 days with some rainfall in September in San Jose24
    24 days with some rainfall
  • 17°C minimum night-time temperature in September in San Jose17
    17°C min night temperature
  • 12 hours of daylight per day in September in San Jose12
    12 hours of daylight per day
  • Low heat & humidity in September in San JoseL
    Low heat & humidity
  • 372 mm monthly rainfall in September in San Jose372
    372 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in San Jose11
    11+ (Extreme) UV index

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

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

Expect 24°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in San Jose in September. Check more long-term weather averages for San Jose in September before you book your next holiday to Costa Rica in 2019/2020.

  • Book escorted tours to Europe in summer 2018
  • Prices start from just £299 per person
  • Visit popular destinations across Europe & beyond

More about San Jose

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

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

Guide to San Jose weather in September

The average maximum daytime temperature in San Jose in September is a warm 24°C (75°F) with low heat & humidity. The average night-time temperature is usually a comfortable 17°C (63°F). 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.

San Jose sunrise & sunset times for September 2019

Browse the sunrise & sunset times for San Jose in September 2019. Select a month to view San Jose sunrise & sunset times for the next twelve months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st September 2019 05:27 17:45
Monday, 2nd September 2019 05:27 17:45
Tuesday, 3rd September 2019 05:27 17:44
Wednesday, 4th September 2019 05:27 17:44
Thursday, 5th September 2019 05:27 17:43
Friday, 6th September 2019 05:27 17:42
Saturday, 7th September 2019 05:27 17:42
Sunday, 8th September 2019 05:27 17:41
Monday, 9th September 2019 05:27 17:41
Tuesday, 10th September 2019 05:27 17:40
Wednesday, 11th September 2019 05:26 17:39
Thursday, 12th September 2019 05:26 17:39
Friday, 13th September 2019 05:26 17:38
Saturday, 14th September 2019 05:26 17:37
Sunday, 15th September 2019 05:26 17:37
Monday, 16th September 2019 05:26 17:36
Tuesday, 17th September 2019 05:26 17:36
Wednesday, 18th September 2019 05:26 17:35
Thursday, 19th September 2019 05:26 17:34
Friday, 20th September 2019 05:26 17:34
Saturday, 21st September 2019 05:26 17:33
Sunday, 22nd September 2019 05:26 17:32
Monday, 23rd September 2019 05:25 17:32
Tuesday, 24th September 2019 05:25 17:31
Wednesday, 25th September 2019 05:25 17:31
Thursday, 26th September 2019 05:25 17:30
Friday, 27th September 2019 05:25 17:29
Saturday, 28th September 2019 05:25 17:29
Sunday, 29th September 2019 05:25 17:28
Monday, 30th September 2019 05:25 17:28
  • Search Momondo for cheap flights to Costa Rica
  • Find the best prices & flight routes from top airlines
  • Compare leading flight offers before booking online

Back to top

More Costa Rica destinations

All destinations (A to Z)

Can't see your chosen destination? Use our A to Z search to find your required the holiday weather guide:

A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z  

Related posts

Popular travel offers

Top ^