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
Observing a mild shift, the average high-temperature during September reduces from August's moderately hot 24.7°C (76.5°F) to a refreshing 18.9°C (66°F). In Postoliska, September nights witness a steady temperature drop to a fresh 10.5°C (50.9°F).Humidity
The average relative humidity in September is 73%.Rainfall
September is the month with the least rainfall. Rain falls for 8.3 days and accumulates 19mm (0.75") of precipitation.Snowfall
In Postoliska, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 40min.On the first day of the month, sunrise is at 05:46 and sunset at 19:21. On the last day of September, sunrise is at 06:34 and sunset at 18:13 CEST.
Sunshine
In September, the average sunshine is 8h.UV index
The average daily maximum UV index in September in Postoliska, Poland, is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The daily maximum UV index of 3 in September interprets into the following advice:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Postoliska?
What is the average humidity in September in Postoliska?
What is the driest month in Postoliska?
How many days does it rain in September in Postoliska?
When it does not snow in Postoliska?
Does it snow in Postoliska in September?
What is the average length of the day in September in Postoliska?
What time are sunrise and sunset in September in Postoliska?
How long on average sun shines in September in Postoliska?
What is the UV index reading in September in Postoliska?
Average temperature in September
Postoliska, Poland
- Average high temperature in September: 18.9°C
The warmest months (with the highest average high temperature) are July and August (24.7°C).
The month with the lowest average high temperature is January (-0.7°C).
- Average low temperature in September: 10.5°C
The months with the highest average low temperature are July and August (14.8°C).
The coldest month (with the lowest average low temperature) is January (-4.1°C).
Average pressure in September
Postoliska, Poland
- Average pressure in September: 1017.1mbar
The month with the highest atmospheric pressure is October (1018.1mbar).
The month with the lowest atmospheric pressure is July (1013.5mbar).
Average wind speed in September
Postoliska, Poland
- Average wind speed in September: 11.7km/h
The windiest month (with the highest average wind speed) is December (14.2km/h).
The calmest month (with the lowest average wind speed) is August (10.4km/h).
Average humidity in September
Postoliska, 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
Postoliska, Poland
- Average rainfall in September: 19mm
The wettest month (with the highest rainfall) is May (53mm).
The driest month (with the least rainfall) is September (19mm).
Average rainfall days in September
Postoliska, Poland
- Average rainfall days in September: 8.3 days
The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in September
Postoliska, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (109mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Postoliska, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Postoliska, Poland
- Average daylight in September: 12h and 4min
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 36min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in September
Postoliska, Poland
- Average sunshine days in September: 19.5 days
The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is February (11.6 days).
Average UV index in September
Postoliska, Poland
- Average UV index in September: 3
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Postoliska, 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 30).
Average visibility in September
Postoliska, 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).
