September weather forecast
Iași, Romania

Weather in September

September, the first month of the autumn in Iași, is also an agreeable month, with an average temperature fluctuating between 10.7°C (51.3°F) and 22.7°C (72.9°F).

Temperature

In September, the average high-temperature marginally drops from a moderately hot 26.6°C (79.9°F) in August to a pleasant 22.7°C (72.9°F). In September, the average low-temperature is 10.7°C (51.3°F).

Rainfall

In Iași, during 5 rainfall days, 48mm (1.89") of precipitation is typically accumulated. In Iași, during the entire year, the rain falls for 80 days and collects up to 589mm (23.19") of precipitation.

Snowfall

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

Daylight

In September, the average length of the day is 12h and 34min.
On the first day of September in Iași, sunrise is at 06:28 and sunset at 19:50. On the last day of the month, sunrise is at 07:06 and sunset at 18:52 EEST.

Sunshine

The average sunshine in September in Iași is 6.9h.

UV index

In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The average daily UV index of 5 in September transform into the following instructions:
Take precautions - Protection against skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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 Iași?

In Iași, Romania, in September, the average high-temperature is 22.7°C (72.9°F), and the average low-temperature is 10.7°C (51.3°F).

How many days does it rain in September in Iași?

In September, the rain falls for 5 days. Throughout September, 48mm (1.89") of precipitation is accumulated.

When it does not snow in Iași?

May through September are months without snowfall in Iași.

Does it snow in Iași in September?

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

How many hours of daylight does Iași have in September?

The average day length in September in Iași is 12h and 34min.

What time are sunrise and sunset in September in Iași?

In September, on the first day of the month, sunrise is at 06:28 and sunset at 19:50. On the last day of the month, in Iași, Romania, sunrise is at 07:06 and sunset at 18:52 EEST.

How long on average sun shines in September in Iași?

The average sunshine duration in September in Iași, Romania, is 6.9h.

What is the UV index reading in September in Iași?

In September, the average daily maximum UV index in Iași is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from unsafe exposure to Sun's UV rays.
Average rainfall days
Average snowfall
Average sunshine
Average UV index

Average temperature in September
Iași, Romania

Average temperature in September - Iași, Romania
  • Average high temperature in September: 22.7°C

The warmest month (with the highest average high temperature) is July (26.8°C).
The month with the lowest average high temperature is January (-0.1°C).

  • Average low temperature in September: 10.7°C

The month with the highest average low temperature is July (15°C).
The coldest month (with the lowest average low temperature) is January (-6.9°C).

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Average rainfall in September
Iași, Romania

Average rainfall in September - Iași, Romania
  • Average rainfall in September: 48mm

The wettest month (with the highest rainfall) is June (101mm).
The driest month (with the least rainfall) is October (25mm).

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Average rainfall days in September
Iași, Romania

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

The months with the highest number of rainy days are June and July (9 days).
The months with the least rainy days are August, September and October (5 days).

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Average snowfall in September
Iași, Romania

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

The month with the highest snowfall is February (143mm).
The months with the least snowfall are May, June, July, August and September (0mm).

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

Average daylight in September / Average sunshine in September - Iași, Romania
  • Average daylight in September: 12h and 34min

The month with the longest days is June (Average daylight: 15h and 51min).
The month with the shortest days is December (Average daylight: 8h and 34min).

  • Average sunshine in September: 6h and 54min

The month with the most sunshine is July (Average sunshine: 8h and 48min).
The month with the least sunshine is December (Average sunshine: 1h and 48min).

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Average UV index in September
Iași, Romania

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

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, November and December (UV index 1).

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