September weather forecastGrammichele, Italy
September
Weather in September
September, the first month of the autumn in Grammichele, is still a warm month, with an average temperature varying between 27.7°C (81.9°F) and 19.2°C (66.6°F).Temperature
Onset of September comes with a temperature decline, the average high falling from a hot 33.2°C (91.8°F) in August to a moderately hot 27.7°C (81.9°F). An average nighttime temperature of 19.2°C (66.6°F) is observed in Grammichele, Italy, during September.Heat index
During September, the heat index is appraised at 29°C (84.2°F). Continuous exposure and activity could induce a sense of tiredness and subsequently, heat cramps.Realize that the values for the heat index are set for shaded places and light winds. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.
Humidity
In Grammichele, the average relative humidity in September is 64%.Rainfall
In Grammichele, during September, the rain falls for 8.5 days and regularly aggregates up to 29mm (1.14") of precipitation. In Grammichele, during the entire year, the rain falls for 102.9 days and collects up to 324mm (12.76") of precipitation.Snowfall
In Grammichele, snow does not fall in March through November.Daylight
In Grammichele, the average length of the day in September is 12h and 25min.On the first day of September, sunrise is at 06:32 and sunset at 19:30. On the last day of the month, sunrise is at 06:56 and sunset at 18:46 CEST.
Sunshine
In September, the average sunshine in Grammichele, Italy, is 11h.UV index
In Grammichele, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In September, the maximum UV index of 6 translates into these guidelines:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Grammichele, 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
Grammichele, 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
Grammichele, 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
Grammichele, 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
Grammichele, 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
Grammichele, 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
Grammichele, 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
Grammichele, 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
Grammichele, 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
Grammichele, 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
Grammichele, 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
Grammichele, 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
Grammichele, 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).
