September weather forecastQazvin, Iran
September
Weather in September
September marks the arrival of autumn in Qazvin, bringing a gradual decrease in temperatures. The high temperature drops to 27.1°C (80.8°F), suggesting a mellowing trend of the heat. A rise in rainfall indicates a shift back to wetter weather conditions. Weather changes in September reshape the Qazvin outdoors with fall colours. September acts as a bridge season between the hot summer months and the cooler months of October and November that lie ahead.Temperature
September ushers in a minute temperature change in Qazvin, Iran, with average high-temperatures reducing from August's tropical 31°C (87.8°F) to a moderately hot 27.1°C (80.8°F). Throughout September, the average low-temperature dips to a moderate 15.2°C (59.4°F).Heat index
During September, the heat index is calculated to be 27°C (80.6°F). With constant exposure and activity, a state of weariness might ensue, leading to potential heat cramps.From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', unifies temperature and humidity readings to offer a comprehensive feel of warmth. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.
Humidity
In September, the average relative humidity is 45%.Rainfall
The months with the least rainfall are July through September Rain falls for 2.4 days and accumulates 3mm (0.12") of rain.Snowfall
May through October are months without snowfall in Qazvin.Daylight
In September, the average length of the day in Qazvin is 12h and 25min.On the first day of the month, sunrise is at 05:41 and sunset at 18:37. On the last day of September, sunrise is at 06:04 and sunset at 17:55 +0330.
Sunshine
In September, the average sunshine is 11.4h.UV index
In Qazvin, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index of 5 in September interprets into the following recommendations:
Make use of precautions - Suggestions to resist sunburn are communicated. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Qazvin, Iran
- Average high temperature in September: 27.1°C
The warmest month (with the highest average high temperature) is July (32.7°C).
The month with the lowest average high temperature is January (5.5°C).
- Average low temperature in September: 15.2°C
The month with the highest average low temperature is July (19.1°C).
The coldest month (with the lowest average low temperature) is January (-1.5°C).
Average pressure in September
Qazvin, Iran
- Average pressure in September: 1013.8mbar
The month with the highest atmospheric pressure is December (1021.9mbar).
The month with the lowest atmospheric pressure is July (1008.3mbar).
Average wind speed in September
Qazvin, Iran
- Average wind speed in September: 10.6km/h
The windiest month (with the highest average wind speed) is July (12.8km/h).
The calmest month (with the lowest average wind speed) is December (9.1km/h).
Average humidity in September
Qazvin, Iran
- Average humidity in September: 45%
The month with the highest relative humidity is February (60%).
The month with the lowest relative humidity is June (39%).
Average rainfall in September
Qazvin, Iran
- Average rainfall in September: 3mm
The wettest month (with the highest rainfall) is April (43mm).
The driest months (with the least rainfall) are July, August and September (3mm).
Average rainfall days in September
Qazvin, Iran
- Average rainfall days in September: 2.4 days
The month with the highest number of rainy days is March (12.5 days).
The month with the least rainy days is August (1.5 days).
Average snowfall in September
Qazvin, Iran
- Average snowfall in September: 0mm
The month with the highest snowfall is January (128mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Qazvin, Iran
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Qazvin, Iran
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 11h and 24min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is January (Average sunshine: 6h and 48min).
Average sunshine days in September
Qazvin, Iran
- Average sunshine days in September: 25.2 days
The month with the most sunshine days is July (27.3 days).
The month with the least sunshine days is April (13.8 days).
Average UV index in September
Qazvin, Iran
- Average UV index in September: 5
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Qazvin, Iran
- Average cloud cover in September: 6
The month with the most cloud cover is February (Cloud cover 26).
The months with the least cloud cover are August and September (Cloud cover 6).
Average visibility in September
Qazvin, Iran
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
