September weather forecastAnnapol, Poland

September

Weather in September

September, the first month of the autumn in Annapol, is still a comfortable month, with temperature in the range of an average high of 19.5°C (67.1°F) and an average low of 11.2°C (52.2°F).

Temperature

September's arrival corresponds with a decrease in average high-temperatures, from August's moderately hot 24.9°C (76.8°F) to a comfortable 19.5°C (67.1°F). Annapol records an average nighttime low of 11.2°C (52.2°F) in September.

Humidity

The average relative humidity in September in Annapol, Poland, is 71%.

Rainfall

In Annapol, during September, the rain falls for 10.6 days and regularly aggregates up to 24mm (0.94") of precipitation. Throughout the year, in Annapol, Poland, there are 141 rainfall days, and 311mm (12.24") of precipitation is accumulated.

Snowfall

June through October are months without snowfall.

Daylight

The average length of the day in September is 12h and 39min.
On the first day of the month, sunrise is at 06:02 and sunset at 19:36. On the last day of September, in Annapol, sunrise is at 06:50 and sunset at 18:29 CEST.

Sunshine

The average sunshine in September is 8.4h.

UV index

The average daily maximum UV index in September in Annapol is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.
Note: In September, the maximum UV index of 4 translates into these guidelines:
Undertake protective steps - Preventing sun damage is advised. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.

Frequently asked questions

The high-temperature in Annapol during September is 19.5°C (67.1°F) and the low-temperature is 11.2°C (52.2°F).

In Annapol, Poland, the average relative humidity in September is 71%.

In Annapol, Poland, during September, the rain falls for 10.6 days and regularly aggregates up to 24mm (0.94") of precipitation.

In Annapol, Poland, snow does not fall in June through October.

In Annapol, the average day length in September is 12h and 39min.

On the first day of September in Annapol, sunrise is at 06:02 and sunset at 19:36. On the last day of the month, sunrise is at 06:50 and sunset at 18:29 CEST.

In Annapol, Poland, the average sunshine duration in September is 8.4h.

In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Annapol, Poland

  • Average high temperature in September: 19.5°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 (0.8°C).

  • Average low temperature in September: 11.2°C

The month with the highest average low temperature is August (14.9°C).
The coldest month (with the lowest average low temperature) is January (-2.8°C).

Average pressure in September
Annapol, Poland

  • Average pressure in September: 1017.3mbar

The month with the highest atmospheric pressure is October (1017.8mbar).
The month with the lowest atmospheric pressure is July (1014mbar).

Average wind speed in September
Annapol, Poland

  • Average wind speed in September: 12.5km/h

The windiest month (with the highest average wind speed) is December (15.5km/h).
The calmest month (with the lowest average wind speed) is August (11.5km/h).

Average humidity in September
Annapol, Poland

  • Average humidity in September: 71%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (66%).

Average rainfall in September
Annapol, Poland

  • Average rainfall in September: 24mm

The wettest month (with the highest rainfall) is July (41mm).
The driest month (with the least rainfall) is April (13mm).

Average rainfall days in September
Annapol, Poland

  • Average rainfall days in September: 10.6 days

The month with the highest number of rainy days is July (16.6 days).
The month with the least rainy days is February (7.8 days).

Average snowfall in September
Annapol, Poland

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (64mm).
The months with the least snowfall are June, July, August, September and October (0mm).

Average snowfall days in September
Annapol, Poland

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (12.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Annapol, Poland

  • Average daylight in September: 12h and 42min

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 48min).

  • Average sunshine in September: 8h and 24min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).

Average sunshine days in September
Annapol, Poland

  • Average sunshine days in September: 16.9 days

The month with the most sunshine days is October (17.8 days).
The month with the least sunshine days is June (11.8 days).

Average UV index in September
Annapol, Poland

  • Average UV index in September: 4

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
Annapol, Poland

  • Average cloud cover in September: 39

The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in September
Annapol, Poland

  • Average visibility in September: 9km

The months with the highest visibility are June and August (10km).
The month with the lowest visibility is January (7km).