September weather forecastBacău, Romania

September

Weather in September

September in Bacău represents the early onset of autumn. Even though temperatures from 11.2°C (52.2°F) to 23°C (73.4°F) are still warm, the noticeable decrease from August hints at change. While there is an evident reduction in the intensity of sunlight compared to the summer months, the pleasant weather, with a slight increase in rainfall to 21mm (0.83"), welcomes fall with grace.

Temperature

Bacău, Romania, observes a minor decrease in the average high-temperature with the arrival of September, falling from August's 28.7°C (83.7°F) to a still warm 23°C (73.4°F). Bacău sees an average low-temperature of 11.2°C (52.2°F) during September.

Humidity

In Bacău, Romania, the average relative humidity in September is 60%.

Rainfall

In Bacău, in September, during 8.2 rainfall days, 21mm (0.83") of precipitation is typically accumulated. In Bacău, during the entire year, the rain falls for 117.6 days and collects up to 383mm (15.08") of precipitation.

Snowfall

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

Daylight

In September, the average length of the day is 12h and 33min.
On the first day of the month, sunrise is at 06:32 and sunset at 19:51. On the last day of September, sunrise is at 07:10 and sunset at 18:54 EEST.

Sunshine

The average sunshine in September in Bacău, Romania, is 10h.

UV index

In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 4 during September translates into the following directions:
Take necessary precautions - Suggestions to elude sunburn are provided. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.

Frequently asked questions

The high-temperature, in September, in Bacău, is 23°C (73.4°F), while the low-temperature averages to 11.2°C (52.2°F). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, in August is estimated at 30°C (86°F).

The average relative humidity in September in Bacău is 60%.

In September, in Bacău, Romania, the rain falls for 8.2 days. Throughout September, 21mm (0.83") of precipitation is accumulated.

May through September are months without snowfall in Bacău.

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

In Bacău, Romania, the average day length in September is 12h and 33min.

On the first day of September in Bacău, Romania, sunrise is at 06:32 and sunset at 19:51. On the last day of the month, sunrise is at 07:10 and sunset at 18:54 EEST.

The average sunshine duration in September in Bacău is 10h.

The average daily maximum UV index in September in Bacău, Romania, is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Bacău, Romania

  • Average high temperature in September: 23°C

The warmest month (with the highest average high temperature) is August (28.7°C).
The month with the lowest average high temperature is January (0.4°C).

  • Average low temperature in September: 11.2°C

The month with the highest average low temperature is July (15.2°C).
The coldest month (with the lowest average low temperature) is January (-5.6°C).

Average pressure in September
Bacău, Romania

  • Average pressure in September: 1017.5mbar

The months with the highest atmospheric pressure are October and December (1020mbar).
The month with the lowest atmospheric pressure is June (1013.5mbar).

Average wind speed in September
Bacău, Romania

  • Average wind speed in September: 10km/h

The windiest month (with the highest average wind speed) is April (12.3km/h).
The calmest month (with the lowest average wind speed) is July (9.8km/h).

Average humidity in September
Bacău, Romania

  • Average humidity in September: 60%

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (56%).

Average rainfall in September
Bacău, Romania

  • Average rainfall in September: 21mm

The wettest month (with the highest rainfall) is June (89mm).
The driest month (with the least rainfall) is November (15mm).

Average rainfall days in September
Bacău, Romania

  • Average rainfall days in September: 8.2 days

The month with the highest number of rainy days is June (16.1 days).
The month with the least rainy days is January (5.6 days).

Average snowfall in September
Bacău, Romania

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (105mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in September
Bacău, Romania

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (10 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
Bacău, Romania

  • Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • Average sunshine in September: 10h and 0min

The month with the most sunshine is August (Average sunshine: 11h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).

Average sunshine days in September
Bacău, Romania

  • Average sunshine days in September: 20 days

The month with the most sunshine days is August (21.3 days).
The month with the least sunshine days is June (11.2 days).

Average UV index in September
Bacău, Romania

  • Average UV index in September: 4

The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in September
Bacău, Romania

  • Average cloud cover in September: 29

The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 21).

Average visibility in September
Bacău, Romania

  • Average visibility in September: 10km

The months with the highest visibility are April, June, July, August and September (10km).
The months with the lowest visibility are January, February and December (8km).