September weather forecastNiscemi, Italy

September weather for Niscemi, Italy: The first month of the autumn, September, is still a warm month in Niscemi, Italy, with an average temperature ranging between max 27.7°C (81.9°F) and min 19.2°C (66.6°F). Stepping into September, Niscemi observes a temperature decline, with the average high falling from August's tropical 33.2°C (91.8°F) to a warm 27.7°C (81.9°F).

September

Weather in September

The first month of the autumn, September, is still a warm month in Niscemi, Italy, with an average temperature ranging between max 27.7°C (81.9°F) and min 19.2°C (66.6°F).

Temperature

Stepping into September, Niscemi observes a temperature decline, with the average high falling from August's tropical 33.2°C (91.8°F) to a warm 27.7°C (81.9°F). An average low-temperature of 19.2°C (66.6°F) is noted in Niscemi during the month of September.

Heat index

September's heat index is computed to be 29°C (84.2°F). If one continues to be active during enduring exposure, it could result in fatigue and heat cramps.
From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', integrates the air's temperature and its humidity to showcase the felt temperature by people. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values remain especially vital for babies and toddlers. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.

Humidity

In September, the average relative humidity is 64%.

Rainfall

In Niscemi, in September, it is raining for 8.5 days, with typically 29mm (1.14") of accumulated precipitation. Throughout the year, there are 102.9 rainfall days, and 324mm (12.76") of precipitation is accumulated.

Snowfall

In Niscemi, snow does not fall in March through November.

Daylight

The average length of the day in September in Niscemi is 12h and 25min.
On the first day of the month, sunrise is at 06:33 and sunset at 19:31. On the last day of September, sunrise is at 06:57 and sunset at 18:47 CEST.

Sunshine

In September, the average sunshine in Niscemi is 11h.

UV index

In September, the average daily maximum UV index in Niscemi is 6. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the average person.
Note: In September, the average maximum UV index of 6 translates into the following recommendations:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.

Frequently asked questions

The average high-temperature, in September, in Niscemi, is 27.7°C (81.9°F), while the average low-temperature is 19.2°C (66.6°F). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in September is computed to be 29°C (84.2°F).

In Niscemi, Italy, the average relative humidity in September is 64%.

In Niscemi, Italy, in September, during 8.5 rainfall days, 29mm (1.14") of precipitation is typically accumulated.

March through November are months without snowfall in Niscemi, Italy.

The average day length in September in Niscemi is 12h and 25min.

On the first day of September, sunrise is at 06:33 and sunset at 19:31. On the last day of the month, sunrise is at 06:57 and sunset at 18:47 CEST.

In September, the average sunshine duration in Niscemi is 11h.

In Niscemi, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high 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
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Niscemi, Italy

  • Average high temperature in September: 27.7°C

The warmest month (with the highest average high temperature) is August (33.2°C).
The month with the lowest average high temperature is January (12.8°C).

  • Average low temperature in September: 19.2°C

The month with the highest average low temperature is August (21.8°C).
The coldest month (with the lowest average low temperature) is February (4.8°C).

Average pressure in September
Niscemi, Italy

  • Average pressure in September: 1015.6mbar

The month with the highest atmospheric pressure is December (1019.1mbar).
The month with the lowest atmospheric pressure is July (1014.1mbar).

Average wind speed in September
Niscemi, Italy

  • Average wind speed in September: 8.3km/h

The windiest month (with the highest average wind speed) is February (12.5km/h).
The calmest month (with the lowest average wind speed) is August (7.3km/h).

Average humidity in September
Niscemi, Italy

  • Average humidity in September: 64%

The months with the highest relative humidity are January and November (80%).
The month with the lowest relative humidity is July (48%).

Average rainfall in September
Niscemi, Italy

  • Average rainfall in September: 29mm

The wettest month (with the highest rainfall) is November (61mm).
The driest month (with the least rainfall) is July (6mm).

Average rainfall days in September
Niscemi, Italy

  • Average rainfall days in September: 8.5 days

The month with the highest number of rainy days is March (12.8 days).
The month with the least rainy days is July (3.2 days).

Average snowfall in September
Niscemi, Italy

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (4mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).

Average snowfall days in September
Niscemi, Italy

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (0.6 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).

Average daylight in September /
Average sunshine in September
Niscemi, Italy

  • Average daylight in September: 12h and 24min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in September: 11h and 0min

The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 6h and 12min).

Average sunshine days in September
Niscemi, Italy

  • Average sunshine days in September: 20 days

The month with the most sunshine days is July (27.2 days).
The month with the least sunshine days is February (15.5 days).

Average UV index in September
Niscemi, Italy

  • Average UV index in September: 6

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).

Average cloud cover in September
Niscemi, Italy

  • Average cloud cover in September: 17

The month with the most cloud cover is January (Cloud cover 31).
The month with the least cloud cover is July (Cloud cover 7).

Average visibility in September
Niscemi, Italy

  • Average visibility in September: 10km

The months with the highest visibility are February, May, June, July, August, September, October and December (10km).
The months with the lowest visibility are January, March, April and November (9km).