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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.

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

Roja Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Roja - and find the best time to visit.

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 records 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 50 years of weather observations (1976-2026), 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
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

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.

  • Cycling
    6/10
  • Walking
    6/10
  • Camping
    8/10
  • Outdoor sports
    9/10

Roja 3-Day Forecast

More climate data for Roja

Popular in September

Where to go in September - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.