The climate in Qazvīn during September can be summarized as warm and reasonably dry.
September is in the fall / autumn in Qazvīn and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a comfortable 28°C (82°F), whilst at night 14°C (56°F) is normal.
Daytime temperature | 27.6°C 81.6°F |
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Nightly temperature | 13.5°C 56.2°F |
Average temperature | 20.5°C 68.9°F |
Daily sunshine | 8.9 hrs |
Avg rainfall | 47 mm 1.8 ins |
Rainy days | 4 days |
Sea temperature | 26.1°C 79°F |
Humidity | 45% |
Windspeed | 6.1kph 4 mph |
On average September is the 5th driest month of the year in Qazvīn with around 47mm 1.8 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 4 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.9 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 Qazvīn in September 2025.
Best places to visit in September
Hottest month: | July | 31.7°C 89.1°F |
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Driest month: | July | 15mm 0.6ins |
Sunniest month: | June | 10.6hrs |
Coldest month: | January | 4.3°C 39.7°F |
Wettest month: | October | 91mm 3.6ins |