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
A modest decline in the average high-temperature is seen during September, decreasing from 28.8°C (83.8°F) in August to a still warm 25.7°C (78.3°F). During September, Lahijan witnesses a consistent average low-temperature of 19.9°C (67.8°F).Humidity
The months with the highest humidity are September and October, with an average relative humidity of 75%.Rainfall
In Lahijan, in September, it is raining for 14.8 days, with typically 48mm (1.89") of accumulated precipitation. In Lahijan, during the entire year, the rain falls for 130.8 days and collects up to 567mm (22.32") of precipitation.Snowfall
In Lahijan, snow does not fall in April through October.Daylight
The average length of the day in September is 12h and 25min.On the first day of September, sunrise is at 05:40 and sunset at 18:38. On the last day of the month, sunrise is at 06:04 and sunset at 17:54 +0330.
Sunshine
The average sunshine in September is 8.7h.UV index
In Lahijan, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high UV index of 5 in September translates into the following recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the most humid month in Lahijan?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
How many hours of daylight does Lahijan have in September?
When are sunrise and sunset in September?
How many hours of sunshine does Lahijan have in September?
How high is the UV index in September?
Average temperature in September
Lahijan, Iran
- Average high temperature in September: 25.7°C
The warmest month (with the highest average high temperature) is July (29.3°C).
The month with the lowest average high temperature is February (11.3°C).
- Average low temperature in September: 19.9°C
The month with the highest average low temperature is August (22.4°C).
The coldest month (with the lowest average low temperature) is February (6°C).
Average pressure in September
Lahijan, Iran
- Average pressure in September: 1014.2mbar
The month with the highest atmospheric pressure is December (1021.9mbar).
The month with the lowest atmospheric pressure is July (1009mbar).
Average wind speed in September
Lahijan, Iran
- Average wind speed in September: 8.3km/h
The windiest month (with the highest average wind speed) is January (9.8km/h).
The calmest month (with the lowest average wind speed) is September (8.3km/h).
Average humidity in September
Lahijan, Iran
- Average humidity in September: 75%
The months with the highest relative humidity are September and October (75%).
The months with the lowest relative humidity are June and July (65%).
Average rainfall in September
Lahijan, Iran
- Average rainfall in September: 48mm
The wettest month (with the highest rainfall) is November (89mm).
The driest month (with the least rainfall) is June (17mm).
Average rainfall days in September
Lahijan, Iran
- Average rainfall days in September: 14.8 days
The month with the highest number of rainy days is October (15.1 days).
The month with the least rainy days is June (6.8 days).
Average snowfall in September
Lahijan, Iran
- Average snowfall in September: 0mm
The month with the highest snowfall is February (198mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Lahijan, Iran
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Lahijan, 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 42min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is June (Average sunshine: 11h and 30min).
The month with the least sunshine is November (Average sunshine: 5h and 36min).
Average sunshine days in September
Lahijan, Iran
- Average sunshine days in September: 12.5 days
The month with the most sunshine days is July (20.7 days).
The month with the least sunshine days is September (12.5 days).
Average UV index in September
Lahijan, Iran
- Average UV index in September: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, March and December (UV index 3).
Average cloud cover in September
Lahijan, Iran
- Average cloud cover in September: 36
The month with the most cloud cover is February (Cloud cover 40).
The month with the least cloud cover is June (Cloud cover 15).
Average visibility in September
Lahijan, Iran
- Average visibility in September: 9km
The months with the highest visibility are January, March, May, June, July, August and December (10km).
The months with the lowest visibility are February, April, September, October and November (9km).
