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
Weather in September
Temperature
The onset of September is marked by a decrease in temperature, transitioning from a warm 25.5°C (77.9°F) in August to a comfortable 19.2°C (66.6°F). In September, Grabów Nowy's temperature tends to fall to an average low of 10.8°C (51.4°F) during the night.Humidity
The average relative humidity in September is 72%.Rainfall
In Grabów Nowy, during September, the rain falls for 12 days and regularly aggregates up to 34mm (1.34") of precipitation. Throughout the year, there are 144.9 rainfall days, and 428mm (16.85") of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 39min.On the first day of the month, sunrise is at 05:48 and sunset at 19:21. On the last day of September, in Grabów Nowy, sunrise is at 06:34 and sunset at 18:14 CEST.
Sunshine
The average sunshine in September is 7.8h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.Note: An average maximum UV index of 4 in September leads to these recommendations:
Be vigilant - Preventing sunburn is recommended. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Frequently asked questions
What are September temperatures in Grabów Nowy?
What is the average humidity in September in Grabów Nowy?
How many days does it rain in September in Grabów Nowy?
When it does not snow in Grabów Nowy?
Does it snow in Grabów Nowy in September?
What is the average length of the day in September in Grabów Nowy?
What time are sunrise and sunset in September in Grabów Nowy?
How long on average sun shines in September in Grabów Nowy?
How high is the UV index in September in Grabów Nowy?
Average temperature in September
Grabów Nowy, Poland
- Average high temperature in September: 19.2°C
The warmest month (with the highest average high temperature) is August (25.5°C).
The month with the lowest average high temperature is January (-0.4°C).
- Average low temperature in September: 10.8°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 (-3.8°C).
Average pressure in September
Grabów Nowy, Poland
- Average pressure in September: 1017.4mbar
The month with the highest atmospheric pressure is October (1018.5mbar).
The month with the lowest atmospheric pressure is July (1013.8mbar).
Average wind speed in September
Grabów Nowy, Poland
- Average wind speed in September: 10.8km/h
The windiest month (with the highest average wind speed) is December (12.8km/h).
The calmest month (with the lowest average wind speed) is August (9.7km/h).
Average humidity in September
Grabów Nowy, Poland
- Average humidity in September: 72%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (66%).
Average rainfall in September
Grabów Nowy, Poland
- Average rainfall in September: 34mm
The wettest month (with the highest rainfall) is May (64mm).
The driest month (with the least rainfall) is November (23mm).
Average rainfall days in September
Grabów Nowy, Poland
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is February (7.2 days).
Average snowfall in September
Grabów Nowy, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (125mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Grabów Nowy, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (14.9 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
Grabów Nowy, Poland
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in September: 7h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).
Average sunshine days in September
Grabów Nowy, Poland
- Average sunshine days in September: 16.1 days
The month with the most sunshine days is October (17.3 days).
The month with the least sunshine days is July (10.5 days).
Average UV index in September
Grabów Nowy, Poland
- Average UV index in September: 4
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
Grabów Nowy, Poland
- Average cloud cover in September: 41
The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Grabów Nowy, Poland
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January and February (7km).
Grabów Nowy, Poland
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