Kalmar (Byxelkrok)
September
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 experiences moderate rainfall in September, with an average of 7 rainy days and a total precipitation of 39.6 mm.
Temperatures
Rain 🌧️
23
Dry days
7
Rainy days
0
Snow days
16°/14°
Temperatures
31 km/h
Avg max wind
80 %
Avg humidity
Kalmar in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  15° | 2 17° | 3  17° | 4  19° | 5  19° | 6 17° | 7 17° |
| 8 18° | 9  18° | 10 18° | 11 17° | 12 16° | 13 16° | 14 15° |
| 15 16° | 16 16° | 17 16° | 18 16° | 19 17° | 20  17° | 21 17° |
| 22 16° | 23  16° | 24 16° | 25 15° | 26 15° | 27 16° | 28 14° |
| 29 14° | 30 14° |
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Temperatures trend during September in Kalmar
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Light rain shower | 15° /13° | 12.2 mm | 4 | |
| 2 Sept. | Patchy rain possible | 17° /14° | 0.4 mm | 4 | |
| 3 Sept. | Cloudy | 17° /14° | 0.3 mm | 5 | |
| 4 Sept. | Partly cloudy | 19° /15° | 0 mm | 5 | |
| 5 Sept. | Sunny | 19° /16° | 0 mm | 5 | |
| 6 Sept. | Partly cloudy | 17° /16° | 0 mm | 5 | |
| 7 Sept. | Sunny | 17° /16° | 0 mm | 5 | |
| 8 Sept. | Sunny | 18° /16° | 0 mm | 5 | |
| 9 Sept. | Overcast | 18° /17° | 0.6 mm | 5 | |
| 10 Sept. | Partly cloudy | 18° /15° | 0.5 mm | 5 | |
| 11 Sept. | Sunny | 17° /13° | 4.6 mm | 5 | |
| 12 Sept. | Overcast | 16° /14° | 0.4 mm | 4 | |
| 13 Sept. | Overcast | 16° /13° | 0.7 mm | 4 | |
| 14 Sept. | Partly cloudy | 15° /12° | 0 mm | 5 | |
| 15 Sept. | Sunny | 16° /13° | 0 mm | 5 | |
| 16 Sept. | Sunny | 16° /15° | 0.2 mm | 5 | |
| 17 Sept. | Overcast | 16° /14° | 0 mm | 4 | |
| 18 Sept. | Cloudy | 16° /14° | 0 mm | 5 | |
| 19 Sept. | Patchy rain possible | 17° /15° | 0.4 mm | 5 | |
| 20 Sept. | Light drizzle | 17° /14° | 0.8 mm | 5 | |
| 21 Sept. | Partly cloudy | 17° /15° | 0 mm | 5 | |
| 22 Sept. | Light rain shower | 16° /14° | 0.7 mm | 4 | |
| 23 Sept. | Patchy light rain with thunder | 16° /14° | 1.7 mm | 4 | |
| 24 Sept. | Partly cloudy | 16° /13° | 1.3 mm | 5 | |
| 25 Sept. | Overcast | 15° /13° | 3.1 mm | 4 | |
| 26 Sept. | Overcast | 15° /13° | 8.1 mm | 4 | |
| 27 Sept. | Patchy rain possible | 16° /13° | 0.4 mm | 4 | |
| 28 Sept. | Partly cloudy | 14° /11° | 2.9 mm | 4 | |
| 29 Sept. | Overcast | 14° /10° | 0.3 mm | 4 | |
| 30 Sept. | 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 39.6 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.
September rainfall patterns in Kalmar
Explore the daily rainfall trends and prepare for Kalmars September weather 💧
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