Otwock Weather in September

With daytime temperatures of 20°C (68°F) and nighttime lows of 9°C (48°F), September in Otwock brings pleasant temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 64 mm (2.5 in) falls on average.

Rainfall in Otwock in September

You can expect rain on around 12 days based on historical patterns, with 64 mm (2.5 in) average for the month. A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.

Temperature in Otwock in September

September is a good time to be in Otwock. Days are perfect, reaching 20°C (68°F), with nights around 9°C (48°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. Nights fall to 9°C (48°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.

Sunshine in Otwock in September

The city usually sees around 143 hours of sunlight, indicating a moderately sunny period.

Wind Speed in Otwock in September

Average wind speeds reach 3 m/s (6 knots) in September, creating light breezes that feel pleasant throughout the day. Some days are calmer, while others bring slightly more active breezes.

If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.

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For a detailed overview over the year and the best time to visit Poland, check out our Otwock's climate page.

Otwock Temperature in September

Min Temperature 9°C (48°F)  

Max Temperature 20°C (68°F)  

Chance of Rain 41%  

Precipitation 64 mm (2.5 in)  

Rainy days 12 days  

Humidity 81% *  

Windspeed 3 m/s (6 knots) *  

Sunshine 143 hours *  

Percentage Sunshine *  

* Data from: Warschau, Poland (19 KM, 12 Miles).

What to Wear in Otwock in September

For Otwock in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Otwock in September

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

Swimming

6/10

Cycling

10/10

Walking

10/10

Camping

4/10

Outdoor sports

10/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Poland, check out our Otwock's climate page.

More climate data for Otwock

Temperature Rainfall Sunshine Humidity Wind Speed

See the full Otwock climate overview or explore weather in Poland.