September weather forecastDalu, Iran
September
Weather in September
The first month of the autumn, September, is still a warm month in Dalu, Iran, with an average temperature ranging between max 27.1°C (80.8°F) and min 12.8°C (55°F).Temperature
September witnesses a gentle descent in average high-temperature, descending from August's hot 32°C (89.6°F) to a warm 27.1°C (80.8°F). Dalu experiences a substantial decline from the daytime high temperatures in September, settling on an average low of 12.8°C (55°F).Humidity
The average relative humidity in September is 29%.Rainfall
Months with rainfall are January through July, September through December. September is the first month it rains. Throughout September, in the average 1.1 rainfall days, it receives 2mm (0.08") of precipitation. In Dalu, during the entire year, the rain falls for 72.3 days and collects up to 259mm (10.2") of precipitation.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 05:55 and sunset at 18:51. On the last day of September, sunrise is at 06:18 and sunset at 18:08 +0330.
Sunshine
The average sunshine in September is 10.3h.UV index
In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 5 in September interprets into the following recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Dalu, Iran
- Average high temperature in September: 27.1°C
The warmest month (with the highest average high temperature) is July (32.8°C).
The month with the lowest average high temperature is January (1.9°C).
- Average low temperature in September: 12.8°C
The month with the highest average low temperature is July (18°C).
The coldest month (with the lowest average low temperature) is January (-5.6°C).
Average pressure in September
Dalu, Iran
- Average pressure in September: 1012.4mbar
The month with the highest atmospheric pressure is December (1022mbar).
The month with the lowest atmospheric pressure is July (1006.2mbar).
Average wind speed in September
Dalu, Iran
- Average wind speed in September: 9.1km/h
The windiest month (with the highest average wind speed) is May (12km/h).
The calmest month (with the lowest average wind speed) is November (7.2km/h).
Average humidity in September
Dalu, Iran
- Average humidity in September: 29%
The month with the highest relative humidity is January (76%).
The months with the lowest relative humidity are July and August (24%).
Average rainfall in September
Dalu, Iran
- Average rainfall in September: 2mm
The wettest month (with the highest rainfall) is December (51mm).
The driest month (with the least rainfall) is August (0mm).
Average rainfall days in September
Dalu, Iran
- Average rainfall days in September: 1.1 days
The month with the highest number of rainy days is March (13.6 days).
The month with the least rainy days is August (0.3 days).
Average snowfall in September
Dalu, Iran
- Average snowfall in September: 0mm
The months with the highest snowfall are January and February (225mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Dalu, Iran
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.3 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
Dalu, 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: 10h and 18min
The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 6h and 36min).
Average sunshine days in September
Dalu, Iran
- Average sunshine days in September: 28.2 days
The month with the most sunshine days is August (30.2 days).
The month with the least sunshine days is March (14.3 days).
Average UV index in September
Dalu, Iran
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Dalu, Iran
- Average cloud cover in September: 3
The months with the most cloud cover are January, February and March (Cloud cover 30).
The months with the least cloud cover are August and September (Cloud cover 3).
Average visibility in September
Dalu, Iran
- Average visibility in September: 10km
The months with the highest visibility are April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January, February, March and December (9km).
