The weather in September in Kalmar

It's pleasantly warm in September in Kalmar with an average temperature of 19°C. Temperatures this month range from a low of 16°C to a high of 20°C. At night, you can expect temperatures between 7°C and 12°C.

Looking for great weather? September is a good time to be in Kalmar. The temperatures are nice, and there’s not too much rain.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for Kalmar, Sweden. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Temperature records

With 25°C in 2023, Kalmar reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 11°C in 2014. The extreme nighttime temperatures ranged from a lowest recorded value of -2°C to a highest value of 18°C.

Water temperature

The water temperature at Kalmar is 20°C this month. Refreshing if you feel like a swim.

Rainfall amount

In September, there is an average of 53 mm of precipitation, spread over 9 days. The wind speed is around 4 Bft, mostly coming from the South.

Daily weather in September for Kalmar

Click on any day in September to get detailed info about the usual weather on that day in Kalmar. Check out the historical temperatures and precipitation over the past 10 years on this day.

September weather comparison

  Kalmar New York
Average temperature 19°C 27°C
Max. temperature 20°C 31°C
Min. temperature 7°C -5°C
Total precipitation 53 mm 57 mm
Rainy days 9 days 9 days

Start of September

The month of September starts in Kalmar with mild temps, averaging around 20°C during the day and nights around 10°C.

Mid September

By mid-September, daytime temps drop to around 19°C, with nights around 11°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.

End of September

By the end of September, the average daytime temperature in Kalmar is around 18°C, while nighttime temps are about 9°C. A shower might pop up, but overall, the weather will be dry and sunny.

Find affordable trips to Kalmar

UV index

The UV index is a maximum of 6 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.

Check out the climate of Kalmar for all months and discover the best travel time

Curious about the weather in other parts of Sweden? Check out the climate and weather for spots like Stockholm, Småland, Malmö, or explore other destinations in Sweden.

Temperature charts

These charts show the average temperatures in September in Kalmar, Sweden. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in September in Kalmar

Temperature in September in Kalmar over the years

Precipitation charts

These charts show the average amount of precipitation in September in Kalmar, Sweden. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Daily Precipitation in September in Kalmar

Total precipitation in September in Kalmar over the years

Daily UV index in September in Kalmar

This chart shows the average daily UV index in September in Kalmar, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Weather experiences in September in Kalmar

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Average weather in Kalmar by month

Click on a month below to see detailed weather info for Kalmar. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.