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 transition into September is accompanied by a slight temperature decrease, with the average high-temperature shifting from a pleasant 21.4°C (70.5°F) in August to an enjoyable 17.7°C (63.9°F). Ostromice reports an average low-temperature of 13.4°C (56.1°F) during the subtly cooler September nights.Humidity
In Ostromice, the average relative humidity in September is 76%.Rainfall
In Ostromice, in September, during 10.1 rainfall days, 19mm (0.75") of precipitation is typically accumulated. Throughout the year, there are 140.2 rainfall days, and 279mm (10.98") of precipitation is accumulated.Snowfall
In Ostromice, snow does not fall in May through October.Daylight
In Ostromice, Poland, the average length of the day in September is 12h and 41min.On the first day of the month, sunrise is at 06:10 and sunset at 19:51. On the last day of September, sunrise is at 07:01 and sunset at 18:39 CEST.
Sunshine
The average sunshine in September in Ostromice is 8.7h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: A daily maximum UV index of 4 in September translates into the following instructions:
Adopt protective measures - Suggestions to resist sunburn are offered. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Ostromice in September?
What is the average humidity in September in Ostromice?
How much does it rain in Ostromice in September?
When it does not snow in Ostromice?
What is the average length of the day in September in Ostromice?
When are sunrise and sunset in September in Ostromice?
How long on average sun shines in September in Ostromice?
What is the UV index reading in September in Ostromice?
Average temperature in September
Ostromice, Poland
- Average high temperature in September: 17.7°C
The warmest month (with the highest average high temperature) is August (21.4°C).
The month with the lowest average high temperature is January (2.3°C).
- Average low temperature in September: 13.4°C
The month with the highest average low temperature is August (16.6°C).
The coldest months (with the lowest average low temperature) are January and February (-0.3°C).
Average pressure in September
Ostromice, Poland
- Average pressure in September: 1016.4mbar
The month with the highest atmospheric pressure is September (1016.4mbar).
The month with the lowest atmospheric pressure is November (1012.9mbar).
Average wind speed in September
Ostromice, Poland
- Average wind speed in September: 18.9km/h
The windiest month (with the highest average wind speed) is December (24km/h).
The calmest month (with the lowest average wind speed) is August (16.7km/h).
Average humidity in September
Ostromice, Poland
- Average humidity in September: 76%
The months with the highest relative humidity are January and December (86%).
The month with the lowest relative humidity is August (74%).
Average rainfall in September
Ostromice, Poland
- Average rainfall in September: 19mm
The wettest month (with the highest rainfall) is August (40mm).
The driest month (with the least rainfall) is April (13mm).
Average rainfall days in September
Ostromice, Poland
- Average rainfall days in September: 10.1 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is February (8.6 days).
Average snowfall in September
Ostromice, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (18mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Ostromice, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Ostromice, Poland
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 17h and 0min).
The month with the shortest days is December (Average daylight: 7h and 30min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The months with the least sunshine are January and December (Average sunshine: 3h and 12min).
Average sunshine days in September
Ostromice, Poland
- Average sunshine days in September: 16.9 days
The month with the most sunshine days is April (17.7 days).
The month with the least sunshine days is July (12.4 days).
Average UV index in September
Ostromice, Poland
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Ostromice, Poland
- Average cloud cover in September: 38
The month with the most cloud cover is December (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Ostromice, Poland
- Average visibility in September: 10km
The months with the highest visibility are March, April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January, February and December (9km).
