September weather forecastOtwock Mały, Poland
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Otwock Mały, Poland, with an average temperature ranging between max 18.9°C (66°F) and min 10.5°C (50.9°F).Temperature
Otwock Mały, Poland, observes a minor decrease in the average high-temperature with the arrival of September, falling from August's warm 24.9°C (76.8°F) to an enjoyable 18.9°C (66°F). Throughout September, the temperature in Otwock Mały falls to an average low of 10.5°C (50.9°F).Humidity
In Otwock Mały, the average relative humidity in September is 73%.Rainfall
In September, in Otwock Mały, the rain falls for 8.2 days. Throughout September, 19mm (0.75") of precipitation is accumulated. Throughout the year, there are 109.2 rainfall days, and 279mm (10.98") of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
In Otwock Mały, the average length of the day in September is 12h and 39min.On the first day of the month, sunrise is at 05:47 and sunset at 19:22. On the last day of September, sunrise is at 06:35 and sunset at 18:14 CEST.
Sunshine
The average sunshine in September is 8h.UV index
The average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index of 3 during September translates into these guidelines:
Act with care - Obligation to protect against skin and eye damage is highlighted. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Otwock Mały, Poland
- Average high temperature in September: 18.9°C
The warmest month (with the highest average high temperature) is August (24.9°C).
The month with the lowest average high temperature is January (-0.5°C).
- Average low temperature in September: 10.5°C
The month with the highest average low temperature is August (14.8°C).
The coldest month (with the lowest average low temperature) is January (-4°C).
Average pressure in September
Otwock Mały, Poland
- Average pressure in September: 1017.2mbar
The month with the highest atmospheric pressure is October (1018.2mbar).
The month with the lowest atmospheric pressure is July (1013.5mbar).
Average wind speed in September
Otwock Mały, Poland
- Average wind speed in September: 11.5km/h
The windiest month (with the highest average wind speed) is December (14km/h).
The calmest month (with the lowest average wind speed) is August (10.3km/h).
Average humidity in September
Otwock Mały, Poland
- Average humidity in September: 73%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (67%).
Average rainfall in September
Otwock Mały, Poland
- Average rainfall in September: 19mm
The wettest month (with the highest rainfall) is May (41mm).
The driest months (with the least rainfall) are April and November (14mm).
Average rainfall days in September
Otwock Mały, Poland
- Average rainfall days in September: 8.2 days
The month with the highest number of rainy days is July (14.3 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in September
Otwock Mały, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (80mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Otwock Mały, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Otwock Mały, Poland
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in September
Otwock Mały, Poland
- Average sunshine days in September: 20.7 days
The month with the most sunshine days is October (21.7 days).
The month with the least sunshine days is February (14.6 days).
Average UV index in September
Otwock Mały, Poland
- Average UV index in September: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in September
Otwock Mały, Poland
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Otwock Mały, Poland
- Average visibility in September: 9km
The months with the highest visibility are June and August (10km).
The months with the lowest visibility are January and February (7km).





