September weather forecast
Erdenet, Mongolia

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Weather in September

In September, Autumn officially begins to color the city with a palette of oranges, yellows, and reds. Humidity declines to 64%, providing a respite from the more humid summer. However, the weather is still unpredictable, with the occasional bout of early snowfall surprising residents. Sunlight falters a little, and winds get icier, hinting at the return of winter. This trend is expected to continue into October.

Temperature

As August transitions into September, Erdenet sees a drop in the average high-temperature, transitioning from an enjoyable 19.8°C (67.6°F) to a still refreshing 14°C (57.2°F). The nights of September anticipate an average low-temperature of 2.5°C (36.5°F).

Humidity

In Erdenet, the average relative humidity in September is 64%.

Rainfall

In Erdenet, in September, it is raining for 10.3 days, with typically 29mm (1.14") of accumulated precipitation. In Erdenet, during the entire year, the rain falls for 95.7 days and collects up to 366mm (14.41") of precipitation.

Snowfall

Months with snowfall are January through June, September through December. September is the first month it typically snows. Throughout September, in the average 2.7 snowfall days, it receives 48mm (1.89") of snow. In Erdenet, during the entire year, snow falls for 53.8 days and aggregates up to 572mm (22.52") of snow.

Daylight

In Erdenet, the average length of the day in September is 12h and 37min.
On the first day of the month, sunrise is at 06:20 and sunset at 19:46. On the last day of September, in Erdenet, Mongolia, sunrise is at 07:02 and sunset at 18:45 +08.

Sunshine

In Erdenet, the average sunshine in September is 8.7h.

UV index

In Erdenet, the average daily maximum UV index in September is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The UV index of 2 during September leads to these advisories:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Direct Sun exposure should be minimized especially during midday when radiation is most intense. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.

Frequently asked questions

What are the temperatures in Erdenet in September?

The average high-temperature, in September, in Erdenet, is 14°C (57.2°F), while the average low-temperature is 2.5°C (36.5°F).

What is the average humidity in September in Erdenet?

In Erdenet, the average relative humidity in September is 64%.

How many days does it rain in September in Erdenet?

In Erdenet, in September, during 10.3 rainfall days, 29mm (1.14") of precipitation is typically accumulated.

When does it start to snow in Erdenet?

September is the first month it typically snows in Erdenet, Mongolia. Throughout September, in the average 2.7 snowfall days, it receives 48mm (1.89") of snow.

How many hours of daylight does Erdenet have in September?

The average day length in September in Erdenet is 12h and 37min.

When is the sunrise / sunset in September in Erdenet?

In September, on the first day of the month, sunrise is at 06:20 and sunset at 19:46. On the last day of the month, in Erdenet, Mongolia, sunrise is at 07:02 and sunset at 18:45 +08.

How long on average sun shines in September in Erdenet?

In September, the average sunshine duration in Erdenet is 8.7h.

What is the UV index intensity in September in Erdenet?

In Erdenet, the average daily maximum UV index in September is 2. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in September
Erdenet, Mongolia

Average temperature in September - Erdenet, Mongolia
  • Average high temperature in September: 14°C

The warmest month (with the highest average high temperature) is July (22.1°C).
The month with the lowest average high temperature is January (-16°C).

  • Average low temperature in September: 2.5°C

The month with the highest average low temperature is July (10.6°C).
The coldest month (with the lowest average low temperature) is January (-24.9°C).

Average pressure in September
Erdenet, Mongolia

Average pressure in September - Erdenet, Mongolia
  • Average pressure in September: 1015.8mbar

The month with the highest atmospheric pressure is January (1035.3mbar).
The month with the lowest atmospheric pressure is July (1005.4mbar).

Average wind speed in September
Erdenet, Mongolia

Average wind speed in September - Erdenet, Mongolia
  • Average wind speed in September: 9.2km/h

The windiest month (with the highest average wind speed) is May (13km/h).
The calmest month (with the lowest average wind speed) is August (7.9km/h).

Average humidity in September
Erdenet, Mongolia

Average humidity in September - Erdenet, Mongolia
  • Average humidity in September: 64%

The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is May (46%).

Average rainfall in September
Erdenet, Mongolia

Average rainfall in September - Erdenet, Mongolia
  • Average rainfall in September: 29mm

The wettest month (with the highest rainfall) is July (100mm).
The driest month (with the least rainfall) is January (1mm).

Average rainfall days in September
Erdenet, Mongolia

Average rainfall days in September - Erdenet, Mongolia
  • Average rainfall days in September: 10.3 days

The month with the highest number of rainy days is July (20.7 days).
The month with the least rainy days is December (0.5 days).

Average snowfall in September
Erdenet, Mongolia

Average snowfall in September - Erdenet, Mongolia
  • Average snowfall in September: 48mm

The month with the highest snowfall is October (140mm).
The months with the least snowfall are July and August (0mm).

Average snowfall days in September
Erdenet, Mongolia

Average snowfall days in September - Erdenet, Mongolia
  • Average snowfall days in September: 2.7 days

The month with the highest number of snowfall days is March (8.6 days).
The month with the least snowfall days is July (0 days).

Average daylight in September /
Average sunshine in September
Erdenet, Mongolia

Average daylight in September / Average sunshine in September - Erdenet, Mongolia
  • Average daylight in September: 12h and 4min

The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).

  • Average sunshine in September: 8h and 4min

The month with the most sunshine is June (Average sunshine: 12h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).

Average sunshine days in September
Erdenet, Mongolia

Average sunshine days in September - Erdenet, Mongolia
  • Average sunshine days in September: 16.6 days

The month with the most sunshine days is January (28.1 days).
The month with the least sunshine days is July (7.8 days).

Average UV index in September
Erdenet, Mongolia

Average UV index in September - Erdenet, Mongolia
  • Average UV index in September: 2

The month with the highest UV index is June (UV index 5).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in September
Erdenet, Mongolia

Average cloud cover in September - Erdenet, Mongolia
  • Average cloud cover in September: 27

The month with the most cloud cover is December (Cloud cover 41).
The month with the least cloud cover is September (Cloud cover 27).

Average visibility in September
Erdenet, Mongolia

Average visibility in September - Erdenet, Mongolia
  • Average visibility in September: 10km

The months with the highest visibility are April, May, June and September (10km).
The month with the lowest visibility is February (7km).

Erdenet, Mongolia

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