September weather forecast
Osijek, Croatia

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Weather in September

The gradual transition from summer to autumn is clearly marked in September. The significant drop in average temperature to 23.4°C (74.1°F) heralds the start of cooler days. While rainfall continues to present itself regularly, the number of rainfall days decreases compared to August. This month is perfect for visiting the city of Osijek as the weather conditions are moderately warm and perfect for outdoor activities. The noticeable decrease in daylight hours signals the impending arrival of winter.

Temperature

In the transition to September, Osijek observes a minor drop in the average high-temperature, shifting from 27.5°C (81.5°F) in August to a still warm 23.4°C (74.1°F). During September nights, Osijek documents a marked contrast from daily highs, with an average temperature of 10.8°C (51.4°F).

Humidity

The average relative humidity in September is 76.2%.

Rainfall

In Osijek, in September, during 9.4 rainfall days, 51mm (2.01") of precipitation is typically accumulated. Throughout the year, in Osijek, there are 137.2 rainfall days, and 655mm (25.79") of precipitation is accumulated.

Snowfall

April through October are months without snowfall in Osijek, Croatia.

Daylight

In Osijek, the average length of the day in September is 12h and 32min.
On the first day of the month, sunrise is at 06:07 and sunset at 19:23. On the last day of September, in Osijek, sunrise is at 06:42 and sunset at 18:27 CEST.

Sunshine

In September, the average sunshine is 6.3h.

UV index

The average daily maximum UV index in September in Osijek is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: An average maximum UV index of 5 in September leads to these recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Boost your sun resistance with garments that are densely woven yet spacious.
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Frequently asked questions

What are the temperatures in Osijek in September?

In September, the average high-temperature and low-temperature are 23.4°C (74.1°F) and 10.8°C (51.4°F) respectively. In August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 30°C (86°F).

What is the average humidity in September in Osijek?

In September, the average relative humidity in Osijek is 76.2%.

How much does it rain in Osijek in September?

In Osijek, Croatia, during September, the rain falls for 9.4 days and regularly aggregates up to 51mm (2.01") of precipitation.

When it does not snow in Osijek?

In Osijek, Croatia, snow does not fall in April through October.

How many hours of daylight does Osijek have in September?

In Osijek, the average day length in September is 12h and 32min.

When are sunrise and sunset in September in Osijek?

In September, on the first day of the month, sunrise is at 06:07 and sunset at 19:23. On the last day of the month, in Osijek, sunrise is at 06:42 and sunset at 18:27 CEST.

How many hours of sunshine does Osijek have in September?

In September, the average sunshine duration in Osijek, Croatia, is 6.3h.

How high is the UV index in September in Osijek?

The average daily maximum UV index in September in Osijek, Croatia, is 5. A UV Index estimate of 3 to 5 represents a medium health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average UV index

Average temperature in September
Osijek, Croatia

Average temperature in September - Osijek, Croatia
  • Average high temperature in September: 23.4°C

The warmest month (with the highest average high temperature) is July (27.6°C).
The month with the lowest average high temperature is January (3.3°C).

  • Average low temperature in September: 10.8°C

The month with the highest average low temperature is July (14.8°C).
The coldest month (with the lowest average low temperature) is January (-3.3°C).

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Average humidity in September
Osijek, Croatia

Average humidity in September - Osijek, Croatia
  • Average humidity in September: 76.2%

The month with the highest relative humidity is December (88.5%).
The month with the lowest relative humidity is July (69.6%).

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Average rainfall in September
Osijek, Croatia

Average rainfall in September - Osijek, Croatia
  • Average rainfall in September: 51mm

The wettest month (with the highest rainfall) is June (82mm).
The driest month (with the least rainfall) is February (35.1mm).

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Average rainfall days in September
Osijek, Croatia

Average rainfall days in September - Osijek, Croatia
  • Average rainfall days in September: 9.4 days

The month with the highest number of rainy days is June (13.4 days).
The month with the least rainy days is September (9.4 days).

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Average snowfall days in September
Osijek, Croatia

Average snowfall days in September - Osijek, Croatia
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (10.3 days).
The 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
Osijek, Croatia

Average daylight in September / Average sunshine in September - Osijek, Croatia
  • Average daylight in September: 12h and 3min

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

  • Average sunshine in September: 6h and 2min

The month with the most sunshine is July (Average sunshine: 8h and 24min).
The month with the least sunshine is December (Average sunshine: 1h and 48min).

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Average UV index in September
Osijek, Croatia

Average UV index in September - Osijek, Croatia
  • Average UV index in September: 5

The months with the highest UV index are June and July (UV index 8).
The months with the lowest UV index are January, November and December (UV index 1).

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Osijek, Croatia

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