September weather forecastSisab, Iran
September
Weather in September
September, the first month of the autumn in Sisab, is still a warm month, with an average temperature ranging between min 15.7°C (60.3°F) and max 25.2°C (77.4°F).Temperature
The shift from August to September includes a minor decrease in the average high-temperature, lightly dropping from a warm 29.3°C (84.7°F) to a still moderately hot 25.2°C (77.4°F). An average low-temperature of 15.7°C (60.3°F) is recorded in the month of September.Humidity
In Sisab, the average relative humidity in September is 32%.Rainfall
The months with the least rainfall in Sisab, Iran, are August and September Rain falls for 1.8 days and accumulates 1mm (0.04") of rain.Snowfall
May through October are months without snowfall.Daylight
In Sisab, the average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 05:10 and sunset at 18:08. On the last day of September, sunrise is at 05:34 and sunset at 17:24 +0330.
Sunshine
In Sisab, Iran, the average sunshine in September is 10.5h.UV index
The average daily maximum UV index in September in Sisab, Iran, is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 5 in September converts into the following recommendations:
Exercise prevention - Precautions against solar damage are endorsed. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sisab, Iran
- Average high temperature in September: 25.2°C
The warmest month (with the highest average high temperature) is July (31.3°C).
The month with the lowest average high temperature is January (4.5°C).
- Average low temperature in September: 15.7°C
The month with the highest average low temperature is July (20.9°C).
The coldest months (with the lowest average low temperature) are January and February (-2.6°C).
Average pressure in September
Sisab, Iran
- Average pressure in September: 1014.1mbar
The month with the highest atmospheric pressure is December (1022.6mbar).
The month with the lowest atmospheric pressure is July (1008.1mbar).
Average wind speed in September
Sisab, Iran
- Average wind speed in September: 9.8km/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 November (8.1km/h).
Average humidity in September
Sisab, Iran
- Average humidity in September: 32%
The month with the highest relative humidity is February (65%).
The month with the lowest relative humidity is July (26%).
Average rainfall in September
Sisab, Iran
- Average rainfall in September: 1mm
The wettest month (with the highest rainfall) is April (39mm).
The driest months (with the least rainfall) are August and September (1mm).
Average rainfall days in September
Sisab, Iran
- Average rainfall days in September: 1.8 days
The month with the highest number of rainy days is April (10.9 days).
The month with the least rainy days is August (1.2 days).
Average snowfall in September
Sisab, Iran
- Average snowfall in September: 0mm
The month with the highest snowfall is February (166mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Sisab, Iran
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5.8 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
Sisab, Iran
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in September: 10h and 30min
The month with the most sunshine is August (Average sunshine: 12h and 24min).
The month with the least sunshine is February (Average sunshine: 6h and 42min).
Average sunshine days in September
Sisab, Iran
- Average sunshine days in September: 27.8 days
The month with the most sunshine days is August (28.8 days).
The month with the least sunshine days is April (17.2 days).
Average UV index in September
Sisab, Iran
- Average UV index in September: 5
The month with the highest UV index is June (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in September
Sisab, Iran
- Average cloud cover in September: 5
The month with the most cloud cover is February (Cloud cover 28).
The months with the least cloud cover are August and September (Cloud cover 5).
Average visibility in September
Sisab, Iran
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
