Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
September signifies a gentle decline in Merì's average high-temperature, easing from a warm 27.3°C (81.1°F) in August to a still moderately hot 24.3°C (75.7°F). A mean low-temperature of 19.6°C (67.3°F) is a distinguishing feature of September, indicating a slight dip from daytime highs.Humidity
The average relative humidity in September in Merì is 72%.Rainfall
In Merì, in September, during 13.9 rainfall days, 62mm (2.44") of precipitation is typically accumulated. Throughout the year, there are 141.9 rainfall days, and 472mm (18.58") of precipitation is accumulated.Snowfall
February through December are months without snowfall in Merì.Daylight
In Merì, the average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 06:29 and sunset at 19:28. On the last day of September, sunrise is at 06:54 and sunset at 18:43 CEST.
Sunshine
In September, the average sunshine is 10.9h.UV index
In Merì, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index of 5 during September translates into these guidelines:
Undertake precautions - Obligation exists to protect against skin and eye damage. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Merì?
What is the average humidity in September in Merì?
How many days does it rain in September in Merì?
When it does not snow in Merì?
What is the average length of the day in September in Merì?
When are sunrise and sunset in September in Merì?
How long on average sun shines in September in Merì?
How high is the UV index in September in Merì?
Average temperature in September
Merì, Italy
- Average high temperature in September: 24.3°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 (11.9°C).
- Average low temperature in September: 19.6°C
The month with the highest average low temperature is August (22.2°C).
The coldest month (with the lowest average low temperature) is February (8.3°C).
Average pressure in September
Merì, Italy
- Average pressure in September: 1015.7mbar
The month with the highest atmospheric pressure is December (1019mbar).
The month with the lowest atmospheric pressure is July (1014.2mbar).
Average wind speed in September
Merì, Italy
- Average wind speed in September: 9.8km/h
The windiest month (with the highest average wind speed) is February (16.1km/h).
The calmest month (with the lowest average wind speed) is August (8.6km/h).
Average humidity in September
Merì, Italy
- Average humidity in September: 72%
The month with the highest relative humidity is November (77%).
The month with the lowest relative humidity is July (67%).
Average rainfall in September
Merì, Italy
- Average rainfall in September: 62mm
The wettest month (with the highest rainfall) is October (71mm).
The driest months (with the least rainfall) are June and July (17mm).
Average rainfall days in September
Merì, Italy
- Average rainfall days in September: 13.9 days
The month with the highest number of rainy days is October (15.6 days).
The month with the least rainy days is July (5 days).
Average snowfall in September
Merì, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is January (1mm).
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Merì, Italy
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Merì, Italy
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in September: 10h and 5min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The months with the least sunshine are January and February (Average sunshine: 6h and 24min).
Average sunshine days in September
Merì, Italy
- Average sunshine days in September: 12.9 days
The month with the most sunshine days is July (24.2 days).
The months with the least sunshine days are September and October (12.9 days).
Average UV index in September
Merì, Italy
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are February and December (UV index 3).
Average cloud cover in September
Merì, Italy
- Average cloud cover in September: 18
The month with the most cloud cover is January (Cloud cover 33).
The month with the least cloud cover is July (Cloud cover 7).
Average visibility in September
Merì, Italy
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
