This report describes the typical weather at the Messina (Messina, Italy) weather station over the course of an average September. It is based on the historical records from 2005 to 2012. Earlier records are either unavailable or unreliable.
Messina has a mediterranean climate with dry hot summers and mild winters. The area within 25 mi of this station is covered by oceans and seas (55%), forests (20%), croplands (13%), and shrublands (12%).
The month of September is characterized by rapidly falling daily high temperatures, with daily highs decreasing from 87°F to 77°F over the course of the month, exceeding 92°F or dropping below 74°F only one day in ten.
Over the course of September, the length of the day is decreasing. From the start to the end of the month, the length of the day decreases by 1:10 hours, implying an average day-over-day decrease of 2.3 minutes.
The shortest day of the month is September 30 with 11:49 hours of daylight; the longest day is September 1 with 12:60 hours of daylight.
The earliest sunrise is at 6:28am on September 1; the latest sunset is at 7:27pm on September 1; the latest sunrise is at 6:53am on September 30; the earliest sunset is at 6:42pm on September 30.
Daylight saving time is observed in 2012 but it neither starts nor ends in September, so the entire month is in daylight time.
The median cloud cover ranges from 36% (mostly clear) to 45% (partly cloudy). The trend is for the sky to be becoming cloudier with the median cloud cover increasing by 9% from the start to the end of the month.
On September 15, a representative day, the sky is clear or mostly clear 42% of the time, partly cloudy 33% of the time, and mostly cloudy or overcast 12% of the time.
The probability that precipitation will be observed at this location varies throughout the month. Precipitation is most likely around September 29, occurring in 40% of days. Precipitation is least likely around September 1, occurring in 27% of days.
Throughout September, the most common forms of precipitation are thunderstorms, moderate rain, and light rain.
Thunderstorms are the most severe precipitation observed during 60% of those days with precipitation. They are most likely around September 24, when it is observed during 23% of all days.
Moderate rain is the most severe precipitation observed during 26% of those days with precipitation. It is most likely around September 30, when it is observed during 11% of all days.
Light rain is the most severe precipitation observed during 10% of those days with precipitation. It is most likely around September 26, when it is observed during 4% of all days.
Either snow is exceptionally unlikely to fall at this location in September or this station does not reliably report precipitation types.
The relative humidity typically ranges from 55% (mildly humid) to 96% (very humid) over the course of a typical September, rarely dropping below 39% (comfortable) and reaching as high as 100% (very humid).
The air is driest around September 1, at which time the relative humidity drops below 64% (mildly humid) three days out of four; it is most humid around September 29, rising above 93% (very humid) three days out of four.
Dew point is often a better measure of how comfortable a person will find the weather than relative humidity because it more directly relates to whether perspiration will evaporate from the skin, thereby cooling the body. Lower dew points feel drier and higher dew points feel more humid.
Over the course of a typical September, the dew point typically varies from 60°F (comfortable) to 77°F (oppressive) and is rarely below 52°F (very comfortable) or above 81°F (very oppressive).
Over the course of September typical wind speeds vary from 0 mph to 11 mph (calm to gentle breeze), rarely exceeding 15 mph (moderate breeze).
The highest average wind speed of 5 mph (light breeze) occurs around September 1, at which time the average daily maximum wind speed is 11 mph (gentle breeze).
The lowest average wind speed of 4 mph (light breeze) occurs around September 28, at which time the average daily maximum wind speed is 10 mph (gentle breeze).