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
Yamchi's weather in September involves a mild decrease in the average high-temperature, moving down slightly from August's warm 29.1°C (84.4°F) to a still moderately hot 24.7°C (76.5°F). Yamchi's temperature lowers to a mean of 13.8°C (56.8°F) during the nights in September.Humidity
In Yamchi, the average relative humidity in September is 46%.Rainfall
In September, in Yamchi, the rain falls for 6.7 days. Throughout September, 14mm (0.55") of precipitation is accumulated. In Yamchi, during the entire year, the rain falls for 120.5 days and collects up to 352mm (13.86") of precipitation.Snowfall
In Yamchi, Iran, snow does not fall in May through September.Daylight
The average length of the day in September in Yamchi is 12h and 26min.On the first day of September, sunrise is at 05:57 and sunset at 18:57. On the last day of the month, sunrise is at 06:22 and sunset at 18:11 +0330.
Sunshine
In Yamchi, the average sunshine in September is 10.2h.UV index
The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: In September, the maximum UV index of 5 suggests these recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. Avoiding the Sun during its peak radiation time around midday is a healthy practice. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Yamchi in September?
What is the average humidity in September in Yamchi?
How much does it rain in Yamchi in September?
When it does not snow in Yamchi?
Does it snow in Yamchi in September?
What is the average length of the day in September in Yamchi?
What time are sunrise and sunset in September in Yamchi?
How many hours of sunshine does Yamchi have in September?
What is the UV index reading in September in Yamchi?
Average temperature in September
Yamchi, Iran
- Average high temperature in September: 24.7°C
The warmest month (with the highest average high temperature) is July (29.6°C).
The month with the lowest average high temperature is January (0.3°C).
- Average low temperature in September: 13.8°C
The month with the highest average low temperature is July (17.8°C).
The coldest month (with the lowest average low temperature) is January (-7°C).
Average pressure in September
Yamchi, Iran
- Average pressure in September: 1014mbar
The month with the highest atmospheric pressure is December (1022.4mbar).
The month with the lowest atmospheric pressure is July (1008.8mbar).
Average wind speed in September
Yamchi, Iran
- Average wind speed in September: 9.2km/h
The windiest month (with the highest average wind speed) is July (11.8km/h).
The calmest month (with the lowest average wind speed) is December (6.8km/h).
Average humidity in September
Yamchi, Iran
- Average humidity in September: 46%
The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is August (42%).
Average rainfall in September
Yamchi, Iran
- Average rainfall in September: 14mm
The wettest month (with the highest rainfall) is April (52mm).
The driest month (with the least rainfall) is August (11mm).
Average rainfall days in September
Yamchi, Iran
- Average rainfall days in September: 6.7 days
The month with the highest number of rainy days is April (17.3 days).
The month with the least rainy days is August (4.7 days).
Average snowfall in September
Yamchi, Iran
- Average snowfall in September: 0mm
The month with the highest snowfall is January (184mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Yamchi, Iran
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Yamchi, Iran
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 10h and 1min
The month with the most sunshine is August (Average sunshine: 12h and 12min).
The months with the least sunshine are January and December (Average sunshine: 6h and 30min).
Average sunshine days in September
Yamchi, Iran
- Average sunshine days in September: 18.4 days
The month with the most sunshine days is August (22.7 days).
The month with the least sunshine days is May (8.5 days).
Average UV index in September
Yamchi, Iran
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Yamchi, Iran
- Average cloud cover in September: 9
The month with the most cloud cover is January (Cloud cover 33).
The month with the least cloud cover is August (Cloud cover 8).
Average visibility in September
Yamchi, Iran
- Average visibility in September: 10km
The months with the highest visibility are March, April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January, February and December (9km).
