September weather forecastLiepāja, Latvia

September

Weather in September

September acts as a beautiful transition from summer to autumn in Liepāja. The weather begins to cool, leaves start to turn, and the city takes on a unique aura. With the end of summer, crowds thin out, making it a splendid time for leisurely travel. This is also a time for local harvest festivals, adding a cultural allure to the city. September weather gradually starts to cool down, with temperatures settling between 16.1°C (61°F) and 9.8°C (49.6°F).

Temperature

The shift from August to September in Liepāja, Latvia, includes a small decrease in the average high-temperature, from 19.9°C (67.8°F) to a still enjoyable 16.1°C (61°F). Liepāja, during the month of September, experiences an average low-temperature of 9.8°C (49.6°F).

Humidity

In September, the average relative humidity is 80.5%.

Rainfall

The month with the most rainfall is September, when the rain falls for 12.3 days and typically aggregates up to 80mm (3.15") of precipitation.

Sea temperature

In Liepāja, Latvia, in September, the average water temperature is 15°C (59°F).
Note: For most, swimming in 15°C (59°F) is not a pleasant experience. As the temperature falls from 21°C (69.8°F) to 15°C (59°F), controlling one's breathing becomes more difficult.

Daylight

In Liepāja, the average length of the day in September is 12h and 46min.
On the first day of the month, sunrise is at 06:40 and sunset at 20:31. On the last day of September, in Liepāja, sunrise is at 07:38 and sunset at 19:13 EEST.

Sunshine

The average sunshine in September in Liepāja, Latvia, is 5.8h.

UV index

The average daily maximum UV index in September in Liepāja is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.
Note: The average daily UV index of 3 in September transforms into the following instructions:
Undertake protective steps - Preventing sun damage is advised. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Employ a wide-brim hat for potent defense against up to 50% of UV rays.

Updated: Feb 1, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

September temperatures in Liepāja vary between a high-temperature of 16.1°C (61°F) and a low-temperature of 9.8°C (49.6°F).

In September, the average relative humidity in Liepāja, Latvia, is 80.5%.

The month with the most rainfall in Liepāja is September, when the rain falls for 12.3 days and typically aggregates up to 80mm (3.15") of precipitation.

In Liepāja, Latvia, during September, the rain falls for 12.3 days and regularly aggregates up to 80mm (3.15") of precipitation.

In Liepāja, Latvia, in September, the average water temperature is 15°C (59°F). For swimming, a surface water temperature of 15°C (59°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).

The average day length in September in Liepāja, Latvia, is 12h and 46min.

In September, on the first day of the month, sunrise is at 06:40 and sunset at 20:31. On the last day of the month, in Liepāja, sunrise is at 07:38 and sunset at 19:13 EEST.

In Liepāja, Latvia, the average sunshine duration in September is 5.8h.

In Liepāja, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unsafe exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J J A September O N D

Aug

September

Oct

Average high temperature

19.9°C

16.1°C

11.3°C

Average low temperature

Average humidity

Average rainfall

Average rainfall days

13.2

12.3

17.1

Average sea temperature

Average daylight

Average sunshine

Average UV index

Average temperature in September
Liepāja, Latvia

Average high temperature in September: 16.1°C

The warmest months (with the highest average high temperature) are July and August (19.9°C).
The month with the lowest average high temperature is January (-0.5°C).

Average low temperature in September: 9.8°C

The month with the highest average low temperature is July (13.2°C).
The coldest month (with the lowest average low temperature) is February (-5.8°C).

Average humidity in September
Liepāja, Latvia

Average humidity in September: 80.5%

The month with the highest relative humidity is November (87.4%).
The month with the lowest relative humidity is May (75.7%).

Average rainfall in September
Liepāja, Latvia

Average rainfall in September: 80.1mm

The wettest month (with the highest rainfall) is September (80.1mm).
The driest month (with the least rainfall) is March (32.1mm).

Average rainfall days in September
Liepāja, Latvia

Average rainfall days in September: 12.3 days

The month with the highest number of rainy days is January (19.8 days).
The month with the least rainy days is June (9.9 days).

Average sea temperature in September
Liepāja, Latvia

Average sea temperature in September: 15°C

The best month for swimming (with the highest average sea temperature) is August (18°C).
The coldest months (with the lowest average sea temperature) are February and March (3°C).

Average daylight in September /
Average sunshine in September
Liepāja, Latvia

Average daylight in September: 12h and 48min

The month with the longest days is June (Average daylight: 17h and 36min).
The month with the shortest days is December (Average daylight: 7h and 0min).

Average sunshine in September: 5h and 48min

The month with the most sunshine is June (Average sunshine: 9h and 48min).
The month with the least sunshine is December (Average sunshine: 0h and 54min).