Roja Weather in September
Roja in September sees moderate temperatures, with highs around 17°C (63°F) and overnight lows of 12°C (54°F). Rainfall is fairly high at around 72 mm (2.8 in) on average, so pack waterproofs just in case.
Rainfall in Roja in September
This month experiences about 16 days of rain according to historical data, averaging 72 mm (2.8 in). With rain spread across many days but low totals, showers are typically short and light rather than heavy.
Temperature in Roja in September
In September, Roja gets moderate temperatures, with highs of 17°C (63°F). Nights cool to around 12°C (54°F). Conditions are often most pleasant around the middle of the day. Nights drop to around 12°C (54°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.Our weather planner can help you find worldwide destinations with pleasant weather during this period. July and August typically offer the best weather for Roja.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Latvia, check out our Roja's climate page.
Roja Temperature in September
Min Temperature
12°C (54°F)
Max Temperature
17°C (63°F)
Chance of Rain
53%
Precipitation
72 mm (2.8 in)
Rainy days
16 days
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Roja typically drop from around 18°C (64°F) at the start of September to approximately 14°C (57°F) by the end. Nights are cool, with lows typically ranging from 7°C (45°F) to 12°C (54°F).
Average temperatures in September
Historical weather for Roja in September
Browse day-by-day weather records for Roja spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Roja historical weather extremes in September
Based on 49 years of weather observations (1976-2025), these are the most extreme conditions recorded in Roja.
- The hottest September day on record in Roja reached 27°C (81°F) (September 8, 2025).
- The coldest September day was on September 30, 1993, with a maximum of 7°C (45°F).
- Roja registered its coldest September night on September 28, 1986, with temperatures dropping to -2°C (28°F).
Best Places in Latvia in September
Find out more about the weather in Latvia and which places have the best travel conditions in this month. See all of Latvia in September →
perfect weather
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tolerable
unpleasant
poor
What to Wear in Roja in September
Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Wet weather is likely, so pack waterproof gear for multiple rainy days.What To Do in Roja in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Latvia, check out our Roja's climate page.
See the full Roja climate overview or explore weather in Latvia.
