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Weather in Kalmar for September 2025

Your guide to Kalmar weather in September - trends and predictions
  • In general, the average temperature in Kalmar at the beginning of September is 17.3 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 14.9 °C by the end of September.

  • Kalmar sees moderate rainfall in September, averaging 7 rainy days.

  • Is September a good time to visit Kalmar? check out the best time to travel to Kalmar page.

  • New! Chat with our AI weatherman - it’s amazing and free.
Average dry days
23
Dry days
Average rainy days
7
Rainy days
Average snowy days
0
Snow days
Average temperatures
16°/14°
Temperatures
Average wind speed
31 km/h
Avg max wind
Average humidity
83 %
Avg humidity

Kalmar in September average weather

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Temperatures trend during September in Kalmar

See the weather trend as well as the moving average line
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September weather day by day

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Date Weather Temperatures Rain UV More
1 Sept. Light rain shower
Light rain shower
15° /13° 12.2 mm 4
2 Sept. Patchy rain possible
Patchy rain possible
17° /14° 0.4 mm 4
3 Sept. Cloudy
Cloudy
17° /14° 0.3 mm 5
4 Sept. Partly cloudy
Partly cloudy
19° /15° 0 mm 5
5 Sept. Sunny
Sunny
19° /16° 0 mm 5
6 Sept. Partly cloudy
Partly cloudy
17° /16° 0 mm 5
7 Sept. Sunny
Sunny
17° /16° 0 mm 5
8 Sept. Sunny
Sunny
18° /16° 0 mm 5
9 Sept. Overcast
Overcast
18° /17° 0.6 mm 5
10 Sept. Partly cloudy
Partly cloudy
18° /15° 0.5 mm 5
11 Sept. Sunny
Sunny
17° /13° 4.6 mm 5
12 Sept. Overcast
Overcast
16° /14° 0.4 mm 4
13 Sept. Overcast
Overcast
16° /13° 0.7 mm 4
14 Sept. Partly cloudy
Partly cloudy
15° /12° 0 mm 5
15 Sept. Sunny
Sunny
16° /13° 0 mm 5
16 Sept. Sunny
Sunny
16° /15° 0.2 mm 5
17 Sept. Overcast
Overcast
16° /14° 0 mm 4
18 Sept. Cloudy
Cloudy
16° /14° 0 mm 5
19 Sept. Patchy rain possible
Patchy rain possible
17° /15° 0.4 mm 5
20 Sept. Light drizzle
Light drizzle
17° /14° 0.8 mm 5
21 Sept. Partly cloudy
Partly cloudy
17° /15° 0 mm 5
22 Sept. Light rain shower
Light rain shower
16° /14° 0.7 mm 4
23 Sept. Patchy light rain with thunder
Patchy light rain with thunder
16° /14° 1.7 mm 4
24 Sept. Partly cloudy
Partly cloudy
16° /13° 1.3 mm 5
25 Sept. Overcast
Overcast
15° /13° 3.1 mm 4
26 Sept. Overcast
Overcast
15° /13° 8.1 mm 4
27 Sept. Patchy rain possible
Patchy rain possible
16° /13° 0.4 mm 4
28 Sept. Partly cloudy
Partly cloudy
14° /11° 2.9 mm 4
29 Sept. Overcast
Overcast
14° /10° 0.3 mm 4
30 Sept. Overcast
Overcast
14° /11° 0.1 mm 4
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Important Notice
Our weather forecast for Kalmar in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Kalmar forecast closer to your planned date for the most up-to-date weather information.

Kalmar in September - FAQ

What are the expected maximum and minimum temperatures in Kalmar during September?
Enjoy moderate daytime temperatures of up to 16° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Kalmar during September?
In September, Kalmar can expect light to moderate rainfall, totaling 33.1 mm across approximately 7 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Kalmar during September?
The average wind speed in Kalmar during September is 31 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Kalmar in September?

As you prepare for your trip to Kalmar in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Kalmar, during September, is comfortable and enjoyable, regardless of the weather conditions.

  • Clothing
    • Warm Clothing: Sweaters, hoodies, long pants
    • Rain Gear: Lightweight, waterproof clothing
  • Accessories
    • Scarves: To protect you from the cold wind
    • Gloves/Mittens: Essential for cold weather
    • Warm Hats: Warm hats for insulation in cold weather
    • Umbrellas/Raincoats: For rainy days

September rainfall patterns in Kalmar

Explore the daily rainfall trends and prepare for Kalmars September weather 💧
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Location coordinates Where is Kalmar?

Get accurate weather forecasts for Kalmar, located at latitude 57.327 and longitude 17.009. Stay updated with localized weather information tailored for Kalmar.

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