Weather in Latvia for September 2025
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Until now, September 2025 in Latvia has been nearly identical to the historical average, with a temperature of 22.1 °C (showing only a slight deviation of -0.1 °C).
The forecast for the next days in Latvia predicts a temperature of 15.3 °C, which is cooler than the historical average.
In general, the average temperature in Latvia at the beginning of September is 22.3 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 12 °C by the end of September.
The climate of Latvia in September is notably wet, with an average of 12 rainy days, and a total of 32.5 mm of precipitation.
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Latvia Weather September
What’s the Weather Like in Latvia This September?
Temperatures trend during September in Latvia
September weather in Latvia day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Light rain shower | 19° /12° | 3.4 mm | 4 | |
| 2 Sept. | Light rain shower | 21° /12° | 6.3 mm | 5 | |
| 3 Sept. | Light rain shower | 23° /13° | 1.4 mm | 5 | |
| 4 Sept. |  Sunny | 24° /13° | 0 mm | 6 | |
| 5 Sept. |  Cloudy | 24° /14° | 0 mm | 6 | |
| 6 Sept. |  Overcast | 22° /13° | 0.5 mm | 5 | |
| 7 Sept. | Overcast | 23° /12° | 0.4 mm | 6 | |
| 8 Sept. | Sunny | 23° /13° | 0 mm | 6 | |
| 9 Sept. |  Mist | 23° /13° | 0 mm | 5 | |
| 10 Sept. |  Partly cloudy | 22° /13° | 1.7 mm | 5 | |
| 11 Sept. | Sunny | 23° /15° | 1.1 mm | 6 | |
| 12 Sept. | Sunny | 20° /13° | 5.6 mm | 5 | |
| 13 Sept. | Partly cloudy | 22° /15° | 0.6 mm | 5 | |
| 14 Sept. | Overcast | 21° /13° | 4.3 mm | 5 | |
| 15 Sept. | Partly cloudy | 18° /12° | 0.9 mm | 5 | |
| 16 Sept. |  Moderate rain | 19° /13° | 6.3 mm | 0.7 | |
| 17 Sept. | Patchy rain possible | 19° /11° | 0.5 mm | 0.7 | |
| 18 Sept. | Patchy rain possible | 19° /10° | 0.8 mm | 0.7 | |
| 19 Sept. | Patchy rain possible | 19° /15° | 2.7 mm | 0.7 | |
| 20 Sept. | Partly cloudy | 21° /16° | 0 mm | 0.8 | |
| 21 Sept. | Patchy rain possible | 20° /15° | 1.7 mm | 4 | |
| 22 Sept. | Patchy rain possible | 15° /10° | 3.4 mm | 3 | |
| 23 Sept. | Patchy rain possible | 13° /9° | 0.2 mm | 3 | |
| 24 Sept. | Patchy rain possible | 11° /7° | 0.8 mm | 2 | |
| 25 Sept. | Patchy rain possible | 10° /5° | 0 mm | 2 | |
| 26 Sept. | Cloudy | 14° /4° | 0 mm | 2 | |
| 27 Sept. | Patchy rain possible | 12° /9° | 1 mm | 3 | |
| 28 Sept. | Patchy rain possible | 10° /8° | 0.6 mm | 2 | |
| 29 Sept. | Patchy rain possible | 12° /7° | 2.3 mm | 2 | |
| 30 Sept. | Light rain shower | 15° /9° | 1.7 mm | 4 | |
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Guide for Latvia in September
In Latvia, September marks the transition from summer to autumn, bringing about noticeable changes in the weather. At the beginning of the month, the weather in Latvia is generally mild and pleasant, with average temperatures ranging from 15° to 20°.
The days are still relatively long, providing ample opportunities for outdoor activities and sightseeing. However, as the month progresses, the temperatures gradually begin to drop, and by the end of September, the weather becomes cooler, with average temperatures ranging from 10° to 15°.
Additionally, there is an increase in rainfall towards the end of the month, so visitors should be prepared for occasional showers.
Overall, September in Latvia offers a mix of comfortable temperatures and the beautiful changing colors of the autumn foliage. It's a great time to explore the country's picturesque landscapes and charming cities without the crowds of the peak tourist season.
However, it's important to pack layers and waterproof clothing to be prepared for the changing weather conditions.
Latvia in September - FAQ
September rainfall patterns in Latvia
UV exposure in Latvia during September
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