Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
The beginning of September involves a decrease in the average high-temperature, transitioning from a warm 23.8°C (74.8°F) in August to a refreshing 18.4°C (65.1°F). In Chmielonek, September is marked by an average low-temperature of 10.2°C (50.4°F).Humidity
In September, the average relative humidity is 74%.Rainfall
In September, the rain falls for 13.4 days. Throughout September, 35mm (1.38") of precipitation is accumulated. Throughout the year, there are 165 rainfall days, and 499mm (19.65") of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In Chmielonek, the average length of the day in September is 12h and 41min.On the first day of the month, sunrise is at 05:47 and sunset at 19:25. On the last day of September, sunrise is at 06:37 and sunset at 18:16 CEST.
Sunshine
The average sunshine in September is 7.7h.UV index
The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 3 during September translates into the following directions:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September?
How many days does it rain in September in Chmielonek?
When it does not snow?
Does it snow in September?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Chmielonek have in September?
What is the UV index reading in September?
Average temperature in September
Chmielonek, Poland
- Average high temperature in September: 18.4°C
The warmest months (with the highest average high temperature) are July and August (23.8°C).
The month with the lowest average high temperature is January (-0.8°C).
- Average low temperature in September: 10.2°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (-4.3°C).
Average pressure in September
Chmielonek, Poland
- Average pressure in September: 1016.8mbar
The month with the highest atmospheric pressure is October (1017.7mbar).
The month with the lowest atmospheric pressure is July (1013.3mbar).
Average wind speed in September
Chmielonek, Poland
- Average wind speed in September: 11.5km/h
The windiest month (with the highest average wind speed) is December (13.5km/h).
The calmest month (with the lowest average wind speed) is August (10.1km/h).
Average humidity in September
Chmielonek, Poland
- Average humidity in September: 74%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (69%).
Average rainfall in September
Chmielonek, Poland
- Average rainfall in September: 35mm
The wettest month (with the highest rainfall) is May (65mm).
The driest month (with the least rainfall) is April (22mm).
Average rainfall days in September
Chmielonek, Poland
- Average rainfall days in September: 13.4 days
The month with the highest number of rainy days is July (20.7 days).
The month with the least rainy days is January (9.1 days).
Average snowfall in September
Chmielonek, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (167mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Chmielonek, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (17.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Chmielonek, Poland
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in September: 7h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).
Average sunshine days in September
Chmielonek, Poland
- Average sunshine days in September: 14 days
The month with the most sunshine days is October (15.5 days).
The month with the least sunshine days is July (7.5 days).
Average UV index in September
Chmielonek, Poland
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in September
Chmielonek, Poland
- Average cloud cover in September: 43
The month with the most cloud cover is January (Cloud cover 77).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Chmielonek, Poland
- Average visibility in September: 9km
The months with the highest visibility are April, May, June, July, August, September and October (9km).
The month with the lowest visibility is January (6km).
