September weather forecastNiasan, Iran
September
Weather in September
September, the first month of the autumn in Niasan, is still a pleasant month, with temperature in the range of an average low of 18.5°C (65.3°F) and an average high of 22.9°C (73.2°F).Temperature
The arrival of September brings an average high-temperature of an agreeable 22.9°C (73.2°F), closely following the temperature pattern of August. September nights in Niasan reflect a consistent temperature dip to a refreshing 18.5°C (65.3°F), a slight descent from daytime peaks.Humidity
The average relative humidity in September in Niasan is 73%.Rainfall
In September, the rain falls for 11.7 days. Throughout September, 30mm (1.18") of precipitation is accumulated. Throughout the year, there are 140.3 rainfall days, and 522mm (20.55") of precipitation is accumulated.Snowfall
April through October and December are months without snowfall.Daylight
In September, the average length of the day is 12h and 25min.On the first day of September, sunrise is at 05:40 and sunset at 18:37. On the last day of the month, sunrise is at 06:03 and sunset at 17:53 +0330.
Sunshine
In September, the average sunshine in Niasan is 10.7h.UV index
In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The daily maximum UV index of 5 in September interprets into the following advice:
Make use of precautions - Suggestions to resist sunburn are communicated. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Niasan, Iran
- Average high temperature in September: 22.9°C
The warmest month (with the highest average high temperature) is July (25.8°C).
The month with the lowest average high temperature is February (7.8°C).
- Average low temperature in September: 18.5°C
The month with the highest average low temperature is July (20.5°C).
The coldest month (with the lowest average low temperature) is February (3.5°C).
Average pressure in September
Niasan, Iran
- Average pressure in September: 1014.1mbar
The month with the highest atmospheric pressure is December (1021.6mbar).
The month with the lowest atmospheric pressure is July (1008.6mbar).
Average wind speed in September
Niasan, Iran
- Average wind speed in September: 9.4km/h
The windiest month (with the highest average wind speed) is October (11.1km/h).
The calmest month (with the lowest average wind speed) is August (8.6km/h).
Average humidity in September
Niasan, Iran
- Average humidity in September: 73%
The month with the highest relative humidity is February (76%).
The month with the lowest relative humidity is June (68%).
Average rainfall in September
Niasan, Iran
- Average rainfall in September: 30mm
The wettest month (with the highest rainfall) is November (79mm).
The driest month (with the least rainfall) is June (15mm).
Average rainfall days in September
Niasan, Iran
- Average rainfall days in September: 11.7 days
The month with the highest number of rainy days is October (14.8 days).
The month with the least rainy days is June (7.4 days).
Average snowfall in September
Niasan, Iran
- Average snowfall in September: 0mm
The month with the highest snowfall is February (68mm).
The months with the least snowfall are April, May, June, July, August, September, October and December (0mm).
Average snowfall days in September
Niasan, Iran
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.2 days).
The months with the least snowfall days are May, June, July, August, September, October and December (0 days).
Average daylight in September /
Average sunshine in September
Niasan, 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 42min
The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is November (Average sunshine: 5h and 48min).
Average sunshine days in September
Niasan, Iran
- Average sunshine days in September: 12.8 days
The month with the most sunshine days is December (17.5 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in September
Niasan, Iran
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, March and December (UV index 3).
Average cloud cover in September
Niasan, Iran
- Average cloud cover in September: 20
The month with the most cloud cover is February (Cloud cover 35).
The month with the least cloud cover is June (Cloud cover 12).
Average visibility in September
Niasan, 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).
