Skip to content
Voykit

Year heatmap

One city, twelve months: how the weather rates, how crowded and expensive it gets, and what is on. Tap a month to see what each cell is based on.

Was this useful?

San Juan across the year

Best-looking months for San Juan: Jan, Feb, Apr. Rated avoid: Aug, Sep, Oct.

Green is good news, amber needs planning, red is a month to avoid. A dashed grey cell with a question mark means our data does not say: it is left unknown, never filled in. Crowd and price levels come from the country's month table, so they are the same for every city in it.

September in San Juan

Typical highs 32°C (90°F), lows 25°C (77°F), rain on about 15 days.

WeatherAvoid
Peak hurricane season; heavy rain. Typical highs around 32 °C, lows around 25 °C, rain on about 15 days.Based on: Voykit month rating for San Juan
CrowdsLow
Low crowd level: Puerto Rico overall. Peak hurricane month (Maria struck 20 Sep 2017).Based on: Puerto Rico overall month table, not a city measurement
PricesLow
Low price level: Puerto Rico overall.Based on: Puerto Rico overall month table, not a city measurement
Events1 event
1 listed: Hurricane season.Based on: Festival and holiday lists

What is on

  • Hurricane season (June to November; peak August to October)Storms can close airports, ports, forts and roads for days.

Full September guide for San Juan · All months