September weather forecastHalan, Iran
September
Weather in September
September, the first month of the autumn in Halan, is also a hot month, with an average temperature fluctuating between 30.6°C (87.1°F) and 12.9°C (55.2°F).Temperature
A moderate decline in average high-temperatures is noted in September, moving from a sweltering 35.5°C (95.9°F) in August to a hot 30.6°C (87.1°F). Halan documents a significant temperature variance in September, with the mean nighttime lows settling at a fresh 12.9°C (55.2°F).Humidity
In September, the average relative humidity in Halan is 27%.Rainfall
In Halan, rain does not fall in June through September.Snowfall
April through November are months without snowfall.Daylight
In September, the average length of the day in Halan is 12h and 23min.On the first day of September in Halan, sunrise is at 05:52 and sunset at 18:45. On the last day of the month, sunrise is at 06:13 and sunset at 18:04 +0330.
Sunshine
The average sunshine in September in Halan, Iran, is 10.5h.UV index
The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index, 5 in September, converts into the following recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. Minimize direct exposure to the Sun during midday when its radiation is at its peak. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Halan, Iran
- Average high temperature in September: 30.6°C
The warmest month (with the highest average high temperature) is July (36.1°C).
The month with the lowest average high temperature is January (6.5°C).
- Average low temperature in September: 12.9°C
The month with the highest average low temperature is July (18.7°C).
The coldest month (with the lowest average low temperature) is January (-0.4°C).
Average pressure in September
Halan, Iran
- Average pressure in September: 1010.6mbar
The month with the highest atmospheric pressure is December (1021mbar).
The month with the lowest atmospheric pressure is July (1003.4mbar).
Average wind speed in September
Halan, Iran
- Average wind speed in September: 8.1km/h
The windiest month (with the highest average wind speed) is March (9.4km/h).
The calmest month (with the lowest average wind speed) is November (6.3km/h).
Average humidity in September
Halan, Iran
- Average humidity in September: 27%
The month with the highest relative humidity is January (62%).
The month with the lowest relative humidity is July (19%).
Average rainfall in September
Halan, Iran
- Average rainfall in September: 0mm
The wettest month (with the highest rainfall) is March (46mm).
The driest months (with the least rainfall) are June, July, August and September (0mm).
Average rainfall days in September
Halan, Iran
- Average rainfall days in September: 0.2 days
The month with the highest number of rainy days is March (11 days).
The month with the least rainy days is August (0 days).
Average snowfall in September
Halan, Iran
- Average snowfall in September: 0mm
The month with the highest snowfall is January (105mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Halan, Iran
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Halan, Iran
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 10h and 30min
The months with the most sunshine are June, July and August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 6h and 42min).
Average sunshine days in September
Halan, Iran
- Average sunshine days in September: 29.5 days
The month with the most sunshine days is August (30.9 days).
The month with the least sunshine days is February (16.7 days).
Average UV index in September
Halan, Iran
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Halan, Iran
- Average cloud cover in September: 2
The month with the most cloud cover is January (Cloud cover 27).
The months with the least cloud cover are June and September (Cloud cover 2).
Average visibility in September
Halan, 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).





