San Juan Weather in September

What's the weather like in San Juan (Cajamarca) in September 2022?

The climate in San Juan during September can be summarized as mild and reasonably dry.

September is in the spring in San Juan and is typically the 5th warmest month of the year. Daytime maximum temperatures average around 20°C (68°F), whilst at night 7°C (45°F) is normal.

San Juan weather averages (imperial / metric)
Daytime temperature 20°C 68°F
Nightly temperature 7°C 44.6°F
Average temperature 13.5°C 56.3°F
Daily sunshine 5.5 hrs
Avg rainfall 38 mm 1.5 ins
Rainy days 10 days
Sea temperature 17.8°C 64.1°F
Humidity 66%
Windspeed 13.7kph 9 mph

On average September is the 4th driest month of the year in San Juan with around 38mm 1.5 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.

On the flip side this corresponds to an average of 5.5 hours of sunshine per day.

September temperatures in San Juan

San Juan average temperature in September

September rainfall

San Juan average rain in September

September hourly sunshine

San Juan average rain in September

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in San Juan in September 2022.

Other monthly averages

Best places to visit in September

UV index Best time to go?

San Juan weather stats

San Juan weather statistics
Hottest month: November 20.2°C 68.4°F
Driest month: July 11mm 0.4ins
Sunniest month: July 7.5hrs
Coldest month: July 19.3°C 66.7°F
Wettest month: March 126mm 5ins
Map showing location of San Juan (-7.3, -78.5)

Locations nearby

Top Peru locations

Change units