September weather forecastSenec, Slovakia
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Senec, Slovakia, with an average temperature varying between 12.1°C (53.8°F) and 21.3°C (70.3°F).Temperature
With September's onset, the weather shows a temperature decrease, transitioning from a moderately hot 27.3°C (81.1°F) in August to a pleasant 21.3°C (70.3°F). Senec's average low-temperature for the month of September records at a fresh 12.1°C (53.8°F).Humidity
In September, the average relative humidity is 67%.Rainfall
In Senec, in September, it is raining for 11.3 days, with typically 45mm (1.77") of accumulated precipitation. In Senec, during the entire year, the rain falls for 149.3 days and collects up to 464mm (18.27") of precipitation.Snowfall
In Senec, snow does not fall in May through September.Daylight
The average length of the day in September in Senec is 12h and 35min.On the first day of September, sunrise is at 06:08 and sunset at 19:31. On the last day of the month, sunrise is at 06:48 and sunset at 18:31 CEST.
Sunshine
In September, the average sunshine in Senec is 9.3h.UV index
In September, the average daily maximum UV index in Senec is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: A maximum UV index of 4 in September translates into the following recommendations:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Senec, Slovakia
- Average high temperature in September: 21.3°C
The warmest month (with the highest average high temperature) is August (27.3°C).
The month with the lowest average high temperature is January (1.8°C).
- Average low temperature in September: 12.1°C
The month with the highest average low temperature is August (15.9°C).
The coldest month (with the lowest average low temperature) is January (-2.8°C).
Average pressure in September
Senec, Slovakia
- Average pressure in September: 1018mbar
The month with the highest atmospheric pressure is December (1020.2mbar).
The month with the lowest atmospheric pressure is June (1014.8mbar).
Average wind speed in September
Senec, Slovakia
- Average wind speed in September: 11.4km/h
The windiest month (with the highest average wind speed) is February (14.9km/h).
The calmest month (with the lowest average wind speed) is August (10.4km/h).
Average humidity in September
Senec, Slovakia
- Average humidity in September: 67%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (61%).
Average rainfall in September
Senec, Slovakia
- Average rainfall in September: 45mm
The wettest months (with the highest rainfall) are May and June (66mm).
The driest month (with the least rainfall) is February (26mm).
Average rainfall days in September
Senec, Slovakia
- Average rainfall days in September: 11.3 days
The months with the highest number of rainy days are May and June (17.3 days).
The month with the least rainy days is January (9.3 days).
Average snowfall in September
Senec, Slovakia
- Average snowfall in September: 0mm
The month with the highest snowfall is January (84mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Senec, Slovakia
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.3 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
Senec, Slovakia
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in September: 9h and 18min
The month with the most sunshine is August (Average sunshine: 11h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days in September
Senec, Slovakia
- Average sunshine days in September: 17.1 days
The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is May (9.7 days).
Average UV index in September
Senec, Slovakia
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Senec, Slovakia
- Average cloud cover in September: 32
The month with the most cloud cover is February (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in September
Senec, Slovakia
- Average visibility in September: 10km
The months with the highest visibility are April, June, July, August and September (10km).
The month with the lowest visibility is January (8km).
