The climate in San Rafael Petzal during September can be summarized as mild and wet.
September is in the fall / autumn in San Rafael Petzal and is typically the 6th warmest month of the year. Daytime maximum temperatures average around 21°C (69°F), whilst at night 10°C (50°F) is normal.
Daytime temperature | 20.5°C 68.9°F |
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Nightly temperature | 9.9°C 49.8°F |
Average temperature | 15.2°C 59.4°F |
Daily sunshine | 5.5 hrs |
Avg rainfall | 158 mm 6.2 ins |
Rainy days | 23 days |
Sea temperature | 29.5°C 85.1°F |
Humidity | 84% |
Windspeed | 9kph 6 mph |
On average September is the 2nd wettest month of the year in San Rafael Petzal with around 158mm 6.2 inches of rain making it a wet time to visit. This rainfall is typically spread over 23 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.5 hours of sunshine per day.
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 Rafael Petzal in September 2025.
Best places to visit in September
Hottest month: | May | 22.9°C 73.2°F |
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Driest month: | February | 15mm 0.6ins |
Sunniest month: | January | 8.5hrs |
Coldest month: | January | 18°C 64.4°F |
Wettest month: | June | 177mm 7ins |