September weather forecast and climate
Dej, Romania

Weather in September

September, the first month of the autumn, in Dej, is also an agreeable month, with temperature in the range of an average low of 10°C (50°F) and an average high of 21.5°C (70.7°F).

Temperature

In September, the average high-temperature decreases, from a moderately hot 27.1°C (80.8°F) in August, to an agreeable 21.5°C (70.7°F). In Dej, Romania, the average low-temperature is 10°C (50°F).

Humidity

In Dej, the average relative humidity in September is 67%.

Rainfall

August and September are months with the least rain in Dej when the rain falls for 9.3 days and typically aggregates up to 23mm (0.91") of rain.

Snowfall

May through September are months without snowfall in Dej.

Daylight

In September, the average length of the day is 12.5h.

Sunshine

The average sunshine in September is 9.4h.

UV index

The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: In September, the average maximum UV index of 4 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in September in Dej?

In Dej, Romania, in September, the average high-temperature is 21.5°C (70.7°F), and the average low-temperature is 10°C (50°F).

What is the average humidity in September in Dej?

In September, the average relative humidity in Dej, Romania, is 67%.

How many days does it rain in September in Dej?

In September, in Dej, Romania, the rain falls for 9.3 days. Throughout September, 23mm (0.91") of precipitation is accumulated.

What is the driest month in Dej?

August and September are months with the least rain in Dej when the rain falls for 9.3 days and typically aggregates up to 23mm (0.91") of rain.

Does it snow in Dej in September?

In Dej, in September, it doesn't snow. In October, it regularly snows.

When it does not snow in Dej?

In Dej, Romania, snow does not fall in May through September.

What is the average length of the day in September in Dej?

In September, the average length of the day in Dej is 12.5h.

How many hours of sunshine does Dej have in September?

The average sunshine in September in Dej, Romania, is 9.4h.

What is the UV index reading in September in Dej?

The average daily maximum UV index in September in Dej is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from unsafe exposure to the Sun's UV rays.

Average temperature in September
Dej, Romania

Average temperature in September - Dej, Romania
  • Average high temperature in September: 21.5°C

The warmest month (with the highest average high temperature) is August (27.1°C).
The month with the lowest average high temperature is January (-0.2°C).

  • Average low temperature in September: 10°C

The month with the highest average low temperature is August (13.9°C).
The coldest month (with the lowest average low temperature) is January (-4.8°C).

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Average pressure in September
Dej, Romania

Average pressure in September - Dej, Romania
  • Average pressure in September: 1017.6mbar

The month with the highest atmospheric pressure is December (1020.4mbar).
Months with the lowest atmospheric pressure are May and June (1014.1mbar).

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Average wind speed in September
Dej, Romania

Average wind speed in September - Dej, Romania
  • Average wind speed in September: 7km/h

The windiest month (with the highest average wind speed) is March (8.7km/h).
The calmest month (with the lowest average wind speed) is August (6.4km/h).

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Average humidity in September
Dej, Romania

Average humidity in September - Dej, Romania
  • Average humidity in September: 67%

The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (64%).

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Average rainfall in September
Dej, Romania

Average rainfall in September - Dej, Romania
  • Average rainfall in September: 23mm

The wettest month (with the highest rainfall) is May (88mm).
The driest months (with the least rainfall) are August and September (23mm).

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Average rainfall days in September
Dej, Romania

Average rainfall days in September - Dej, Romania
  • Average rainfall days in September: 9.3 days

The month with the highest number of rainy days is May (21.1 days).
The month with the least rainy days is September (9.3 days).

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Average snowfall in September
Dej, Romania

Average snowfall in September - Dej, Romania
  • Average snowfall in September: 0mm

The month with the highest snowfall is January (165mm).
Months with the least snowfall are May, June, July, August and September (0mm).

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Average snowfall days in September
Dej, Romania

Average snowfall days in September - Dej, Romania
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (13.2 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in September /
Average sunshine in September
Dej, Romania

Average daylight in September / Average sunshine in September - Dej, Romania
  • Average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 15.9h).
The month with the shortest days is December (Average daylight: 8.6h).

  • Average sunshine in September: 9.4h

The month with the most sunshine is August (Average sunshine: 11.3h).
The month with the least sunshine is January (Average sunshine: 4.3h).

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Average sunshine days in September
Dej, Romania

Average sunshine days in September - Dej, Romania
  • Average sunshine days in September: 19.2 days

The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is May (7.8 days).

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Average UV index in September
Dej, Romania

Average UV index in September - Dej, Romania
  • Average UV index in September: 4

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is January (UV index 1).

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Average cloud cover in September
Dej, Romania

Average cloud cover in September - Dej, Romania
  • Average cloud cover in September: 30

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 22).

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Average visibility in September
Dej, Romania

Average visibility in September - Dej, Romania
  • Average visibility in September: 10km

Months with the highest visibility are August and September (10km).
The month with the lowest visibility is January (7km).

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