San José
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San José Weather in September

September in San José averages 26°C (79°F) during the day and 22°C (72°F) at night. The excellent conditions and low rainfall make it a solid month to visit.

Rainfall in San José in September

You can expect rain on around 4 days based on historical patterns, with 23 mm (0.9 in) average for the month. The occasional light shower is possible, but rain is rarely an issue this month.

Temperature in San José in September

The temperature in San José in September is excellent. Daytime highs reach 26°C (79°F), with nights dropping to 22°C (72°F). September is in the summer season. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights are mild at around 22°C (72°F), which is comfortable for most people.

Sunshine in San José in September

There are approximately 257 hours of sunshine this month, resulting in mostly clear days.

If you're inclined towards comfortable temperatures and drier conditions, September is a good time to visit San José.

San José Temperature in September

Min Temperature
22°C (72°F)
Max Temperature
26°C (79°F)
Chance of Rain
12%
Precipitation
23 mm (0.9 in)
Rainy days
4 days
Humidity
65% *
Sunshine
257 hours *
Percentage Sunshine
*
* Data from: Almería, Spain (32 KM, 20 Miles).

San José Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in San José - and find the best time to visit.

Best Places in Spain in September

Find out more about the weather in Spain and which places have the best travel conditions in this month. See all of Spain in September →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in San José in September

Warm but pleasant conditions in San José in September. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Light rain is possible, so consider bringing a small umbrella or rain jacket. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in San José in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Swimming
    10/10
  • Cycling
    8/10
  • Walking
    8/10
  • Barbeque
    10/10
  • Camping
    10/10
  • Outdoor sports
    8/10

San José 3-Day Forecast

More climate data for San José

Popular in September

Where to go in September - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.