Visiting Riga in September 2026
“Mild and bright — an underrated time to visit.”
Roughly 12 rainy days across the month, on average.
September in Riga smells like woodsmoke and wet oak leaves as the calendar tips toward autumn. Daytime highs slip to 17.8C/64F, nights cool to 10.5C/51F, and precipitation drops to 64mm across 11.7 wet days. Sunshine falls sharply to 9.1 hours daily, and by month-end the yellow birches lining the Bastejkalns canal blaze against grey-blue Baltic sky in true northern autumn palette.
On the ground, harvest fills the Central Market's produce halls with lingonberries, sea-buckthorn, and forest boletes, and rural homesteads offer pumpkin-carving weekends within an hour's drive. The Riga International Film Festival launches its two-week program in the second half of September, filling K. Suns, Splendid Palace, and the Latvian National Museum of Art with regional and world cinema. Cruise-ship traffic drops sharply after mid-month, returning Vecriga's cobblestones to Latvian pace.
Ten-year September data show Riga warming 1.4C, with 2024 registering the driest September in 30 years and 2025 flipping to the wettest since 2010. The Latvian Environmental Agency notes autumn onset arriving nine days later on average than in 2015. Forecasts for 2026 lean warm through mid-month with an accelerated cool-down in the final week and elevated foliage color potential.
Travelers arriving in September 2026 catch autumn foliage, shoulder-season pricing, and one of the year's better weather windows without July's crush. Layer for morning chill and afternoon sun, book Film Festival tickets ahead, and treat September 2026 as Riga's most photogenic month for Old Town without the crowds.
Skip Old Town restaurants after 7pm and head to Miera iela in the Central District for craft beer at Alkohol Bar and Georgian food at Rukola. Latvians expect strangers to nod hello in bakeries but never small-talk on trams. The 24-bus night route to Mežaparks reveals Soviet-era wooden districts most tourists never see.
What to pack for Riga in September
September layering handles warm afternoons and briskly cool mornings:
- Light wool sweater over a cotton shirt
- Water-resistant jacket for shower squalls
- Closed walking shoes with cushioned soles
- Compact scarf and light gloves for morning chill
- Umbrella for Old Town rain bursts
What to pack for Riga in September
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Where to stay in Riga
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Compare hotels on Booking.com→Things worth doing
Browse harvest stalls at Central Market for lingonberries and boletes, catch Riga International Film Festival screenings at Splendid Palace, walk the Bastejkalns canal amid yellow birches, and book a pumpkin-carving weekend at a Vidzeme rural homestead.
September vs. the rest of the year
How this month compares in Riga. Tap any month to read more.
highlighted months are among the best time to visit.
Best time to visit Riga
While September has its own character in Riga, the data-backed best months to visit Riga are May, June, July, August. These months combine the most favourable temperatures, rainfall, and sunshine across a ten-year climate record.
See the full best-time-to-visit guide for RigaOther places with a similar climate right now
Riga in September — FAQ
Q01Should I visit Riga in September?
Should I visit Riga in September?
Yes — it is a good time to visit, with pleasant, comfortable weather. In September, Riga averages a high of 18°C (64°F) and a low of 11°C (51°F), with 64mm of rainfall across roughly 12 rainy days. Late May to early June brings peak Vecrīga cobblestone weather before the Baltic Song and Dance Festival draws crowds and Līgo bonfires light the Daugava.
Q02What temperatures should I expect in Riga during September?
What temperatures should I expect in Riga during September?
The average high temperature in Riga during September is 18°C (64°F), with an average low of 11°C (51°F). These figures are averaged from ten years of daily records (2015–2024, Open-Meteo Archive).
Q03Is September a rainy month in Riga?
Is September a rainy month in Riga?
Riga averages approximately 12 rainy days in September, with a total monthly rainfall of about 64mm. This is based on daily precipitation records where days with 1mm or more of rain are counted as rainy days.
Q04How should I dress for Riga in September?
How should I dress for Riga in September?
For Riga in September, pack layered clothing for changing temperatures, a compact umbrella or waterproof jacket, comfortable walking shoes. These recommendations are based on the ten-year weather averages for this specific month. A merino base layer for the ferry to Stockholm — Baltic crossings drop 5°C at night even in July.
Q05Is September a busy travel month for Riga?
Is September a busy travel month for Riga?
Tourist crowds in Riga during September are typically moderate — shoulder season, a sweet spot between crowds and weather. Consider this when planning accommodation — prices track crowd levels closely. Skip Old Town restaurants after 7pm and head to Miera iela in the Central District for craft beer at Alkohol Bar and Georgian food at Rukola. Latvians expect strangers to nod hello in bakeries but never small-talk on trams. The 24-bus night route to Mežaparks reveals Soviet-era wooden districts most tourists never see.