Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
In September, the meteorological conditions change slightly, with the average high-temperature moving from 29.8°C (85.6°F) in August to a still moderately hot 25.1°C (77.2°F). Sisan experiences an average low-temperature of 13.9°C (57°F) in the month of September.Humidity
In Sisan, the average relative humidity in September is 41%.Rainfall
The months with the least rainfall in Sisan, Iran, are August and September Rain falls for 2.9 days and accumulates 3mm (0.12") of rain.Snowfall
May through October are months without snowfall.Daylight
In Sisan, the average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 05:53 and sunset at 18:52. On the last day of September, in Sisan, sunrise is at 06:18 and sunset at 18:07 +0330.
Sunshine
The average sunshine in September in Sisan is 10.4h.UV index
The average daily maximum UV index in September in Sisan is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: An average maximum UV index of 5 in September leads to these recommendations:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Sisan?
What is the average humidity in September in Sisan?
What is the driest month in Sisan?
How much does it rain in Sisan in September?
When it does not snow in Sisan?
What is the average length of the day in September in Sisan?
What time are sunrise and sunset in September in Sisan?
How many hours of sunshine does Sisan have in September?
How high is the UV index in September in Sisan?
Average temperature in September
Sisan, Iran
- Average high temperature in September: 25.1°C
The warmest month (with the highest average high temperature) is July (30.4°C).
The month with the lowest average high temperature is January (1.1°C).
- Average low temperature in September: 13.9°C
The month with the highest average low temperature is July (17.9°C).
The coldest month (with the lowest average low temperature) is January (-6.6°C).
Average pressure in September
Sisan, Iran
- Average pressure in September: 1014mbar
The month with the highest atmospheric pressure is December (1022.2mbar).
The month with the lowest atmospheric pressure is July (1008.8mbar).
Average wind speed in September
Sisan, Iran
- Average wind speed in September: 11.1km/h
The windiest months (with the highest average wind speed) are July and August (14km/h).
The calmest month (with the lowest average wind speed) is December (8.3km/h).
Average humidity in September
Sisan, Iran
- Average humidity in September: 41%
The month with the highest relative humidity is January (74%).
The month with the lowest relative humidity is August (39%).
Average rainfall in September
Sisan, Iran
- Average rainfall in September: 3mm
The wettest month (with the highest rainfall) is April (16mm).
The driest months (with the least rainfall) are August and September (3mm).
Average rainfall days in September
Sisan, Iran
- Average rainfall days in September: 2.9 days
The month with the highest number of rainy days is April (10.9 days).
The month with the least rainy days is August (2.4 days).
Average snowfall in September
Sisan, Iran
- Average snowfall in September: 0mm
The month with the highest snowfall is January (36mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Sisan, Iran
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (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
Sisan, Iran
- Average daylight in September: 12h and 2min
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 2min
The month with the most sunshine is August (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
Average sunshine days in September
Sisan, Iran
- Average sunshine days in September: 22.4 days
The month with the most sunshine days is August (25.2 days).
The month with the least sunshine days is April (15.3 days).
Average UV index in September
Sisan, 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, November and December (UV index 2).
Average cloud cover in September
Sisan, Iran
- Average cloud cover in September: 7
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 7).
Average visibility in September
Sisan, 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).
