September weather forecast and climate
Casian, Romania

Weather in September

The first month of the autumn, September, is still a warm month in Casian, Romania, with temperature in the range of an average low of 15.5°C (59.9°F) and an average high of 24.5°C (76.1°F).

Temperature

In September, the average high-temperature decreases, from 29.9°C (85.8°F) in August, to a still warm 24.5°C (76.1°F). In September, in Casian, Romania, the average low-temperature is 15.5°C (59.9°F).

Humidity

In September, the average relative humidity in Casian is 59%.

Rainfall

In Casian, Romania, during 5 rainfall days, 15mm (0.59") of precipitation is typically accumulated. Throughout the year, in Casian, there are 92.1 rainfall days, and 238mm (9.37") of precipitation is accumulated.

Snowfall

April through October are months without snowfall.

Daylight

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

Sunshine

In September, the average sunshine in Casian is 10.4h.

UV index

In September, the average daily maximum UV index in Casian is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 5 in September transform into the following instructions:
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. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in September in Casian?

In Casian, in September, the average high-temperature is 24.5°C (76.1°F), and the average low-temperature is 15.5°C (59.9°F).

What is the average humidity in September in Casian?

The average relative humidity in September in Casian, Romania, is 59%.

How much does it rain in Casian in September?

In Casian, during September, the rain falls for 5 days and regularly aggregates up to 15mm (0.59") of precipitation.

When it does not snow in Casian?

In Casian snow does not fall in April through October.

How many hours of daylight does Casian have in September?

The average length of the day in September in Casian is 12.5h.

How many hours of sunshine does Casian have in September?

In Casian, Romania, the average sunshine in September is 10.4h.

What is the UV index reading in September in Casian?

In Casian, Romania, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from the exposure to the Sun's UV radiation.

Average temperature in September
Casian, Romania

Average temperature in September - Casian, Romania
  • Average high temperature in September: 24.5°C

The warmest month (with the highest average high temperature) is August (29.9°C).
The month with the lowest average high temperature is January (3.4°C).

  • Average low temperature in September: 15.5°C

The month with the highest average low temperature is August (18.9°C).
The coldest month (with the lowest average low temperature) is January (-1.8°C).

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Average pressure in September
Casian, Romania

Average pressure in September - Casian, Romania
  • Average pressure in September: 1016.3mbar

The month with the highest atmospheric pressure is December (1019.8mbar).
The month with the lowest atmospheric pressure is July (1012.3mbar).

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Average wind speed in September
Casian, Romania

Average wind speed in September - Casian, Romania
  • Average wind speed in September: 14.1km/h

The windiest month (with the highest average wind speed) is February (17.8km/h).
The calmest month (with the lowest average wind speed) is July (12.1km/h).

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Average humidity in September
Casian, Romania

Average humidity in September - Casian, Romania
  • Average humidity in September: 59%

The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is August (54%).

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Average rainfall in September
Casian, Romania

Average rainfall in September - Casian, Romania
  • Average rainfall in September: 15mm

The wettest months (with the highest rainfall) are January and June (26mm).
The driest month (with the least rainfall) is August (9mm).

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Average rainfall days in September
Casian, Romania

Average rainfall days in September - Casian, Romania
  • Average rainfall days in September: 5 days

The month with the highest number of rainy days is March (10.6 days).
The month with the least rainy days is August (3.3 days).

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Average snowfall in September
Casian, Romania

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

The month with the highest snowfall is January (23mm).
Months with the least snowfall are April, May, June, July, August, September and October (0mm).

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Average snowfall days in September
Casian, Romania

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

The month with the highest number of snowfall days is January (4.3 days).
Months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

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

The month with the longest days is June (Average daylight: 15.5h).
The month with the shortest days is December (Average daylight: 8.9h).

  • Average sunshine in September: 10.4h

Months with the most sunshine are July and August (Average sunshine: 11.8h).
The month with the least sunshine is January (Average sunshine: 4.7h).

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Average sunshine days in September
Casian, Romania

Average sunshine days in September - Casian, Romania
  • Average sunshine days in September: 24.3 days

The month with the most sunshine days is August (26.6 days).
The month with the least sunshine days is February (16.7 days).

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Average UV index in September
Casian, Romania

Average UV index in September - Casian, Romania
  • Average UV index in September: 5

The month with the highest UV index is July (UV index 7).
Months with the lowest UV index are January, February and December (UV index 2).

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Average cloud cover in September
Casian, Romania

Average cloud cover in September - Casian, Romania
  • Average cloud cover in September: 24

Months with the most cloud cover are January and February (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 14).

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Average visibility in September
Casian, Romania

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

Months with the highest visibility are March, April, May, June, July, August, September, October and November (10km).
Months with the lowest visibility are January, February and December (9km).

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