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Rumia Weather in September

September in Rumia sees daytime temperatures around 18°C (64°F) and lows of 11°C (52°F) at night. With around 72 mm (2.8 in) of rainfall expected, it's worth packing a rain jacket.

Rainfall in Rumia in September

Records from the past 30 years suggest around 15 days of rain, with 72 mm (2.8 in) average for the month. Rain falls on many days this month, but usually in relatively small amounts. A light waterproof is more useful than a heavy umbrella.

Temperature in Rumia in September

In September, Rumia sees pleasant temperatures, with highs of 18°C (64°F). Nights drop to around 11°C (52°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights drop to around 11°C (52°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.

If you prefer dry days with pleasant temperatures, July and August typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

Rumia Temperature in September

Min Temperature
11°C (52°F)
Max Temperature
18°C (64°F)
Chance of Rain
51%
Precipitation
72 mm (2.8 in)
Rainy days
15 days
Humidity
78% *
* Data from: Gdynia, Poland (11 KM, 6 Miles).

Rumia Weather by Month

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

Best Places in Poland in September

Find out more about the weather in Poland and which places have the best travel conditions in this month. See all of Poland 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 Rumia in September

Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days.

What To Do in Rumia in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

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

Rumia 3-Day Forecast

More climate data for Rumia

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.