Kastlösa Weather in September

During September, Kastlösa experiences moderate daytime temperatures of 17°C (63°F) and cooler nights around 12°C (54°F). Some rainfall is typical during this period.

Rainfall in Kastlösa in September

You can expect rain on roughly 13 days based on historical data, averaging 56 mm (2.2 in) for the month. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.

Temperature in Kastlösa in September

Daytime temperatures in Kastlösa reach 17°C (63°F) in September, dropping to 12°C (54°F) at night. Even when the weather is stable, mornings and evenings can still feel distinctly cool. At 12°C (54°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in Kastlösa in September

The city usually sees around 183 hours of sunlight, indicating a moderately sunny period.

Average water temperature in September

With water at 14°C (57°F), it's on the cooler side. Keen swimmers won't be put off, but those who prefer warm water may find it less enjoyable.

If you prefer dry days with pleasant temperatures, July and August typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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For a detailed overview over the year and the best time to visit Sweden, check out our Kastlösa's climate page.

Kastlösa Temperature in September

Min Temperature 12°C (54°F)  

Max Temperature 17°C (63°F)  

Water Temperature 14°C (57°F) *  

Chance of Rain 42%  

Precipitation 56 mm (2.2 in)  

Rainy days 13 days  

Humidity 81% *  

Sunshine 183 hours *  

Percentage Sunshine 48% *  

* Data from: Kalmar, Sweden (22 KM, 13 Miles).

What to Wear in Kastlösa in September

For Kastlösa in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket. Expect water temperatures of around 14°C (57°F), which is definitely too cold for comfortable swimming. Your luggage space is better used for other items. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Kastlösa in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

6/10

Cycling

6/10

Walking

6/10

Barbeque

6/10

Camping

8/10

Outdoor sports

10/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Sweden, check out our Kastlösa's climate page.

More climate data for Kastlösa

Temperature Rainfall Sunshine Humidity Water Temp

See the full Kastlösa climate overview or explore weather in Sweden.