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 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
The beginning of September brings a minor change in the average high-temperature, shifting from a tropical 31.3°C (88.3°F) in August to a warm 27.7°C (81.9°F). Nerva observes an average low-temperature of 19.1°C (66.4°F) during September nights.Heat index
September's mean heat index is appraised at 29°C (84.2°F). If exposure and ongoing activity persist, they might induce a state of tiredness and heat cramps.Be advised, the heat index considers values for conditions in shade and with a light breeze. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
Humidity
The average relative humidity in September in Nerva is 60%.Rainfall
In Nerva, in September, it is raining for 3.9 days, with typically 6mm (0.24") of accumulated precipitation. In Nerva, Spain, during the entire year, the rain falls for 74.4 days and collects up to 251mm (9.88") of precipitation.Daylight
In September, the average length of the day in Nerva is 12h and 25min.On the first day of the month, sunrise is at 07:56 and sunset at 20:55. On the last day of September, sunrise is at 08:21 and sunset at 20:10 CEST.
Sunshine
The average sunshine in September in Nerva is 9.6h.UV index
The average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum UV index of 6 in September translates into the following recommendations:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Nerva?
What is the average humidity in September in Nerva?
How much does it rain in Nerva in September?
What is the average length of the day in September in Nerva?
When are sunrise and sunset in September in Nerva?
How long on average sun shines in September in Nerva?
What is the UV index intensity in September in Nerva?
Average temperature in September
Nerva, Spain
- Average high temperature in September: 27.7°C
The warmest month (with the highest average high temperature) is August (31.3°C).
The month with the lowest average high temperature is January (15.2°C).
- Average low temperature in September: 19.1°C
The month with the highest average low temperature is August (20.8°C).
The coldest months (with the lowest average low temperature) are January and February (8.8°C).
Average pressure in September
Nerva, Spain
- Average pressure in September: 1016.1mbar
The month with the highest atmospheric pressure is December (1022.6mbar).
The month with the lowest atmospheric pressure is August (1015mbar).
Average wind speed in September
Nerva, Spain
- Average wind speed in September: 10.9km/h
The windiest month (with the highest average wind speed) is March (15km/h).
The calmest month (with the lowest average wind speed) is September (10.9km/h).
Average humidity in September
Nerva, Spain
- Average humidity in September: 60%
The month with the highest relative humidity is January (74%).
The month with the lowest relative humidity is August (52%).
Average rainfall in September
Nerva, Spain
- Average rainfall in September: 6mm
The wettest month (with the highest rainfall) is November (46mm).
The driest month (with the least rainfall) is July (1mm).
Average rainfall days in September
Nerva, Spain
- Average rainfall days in September: 3.9 days
The month with the highest number of rainy days is March (10.3 days).
The month with the least rainy days is August (1.2 days).
Average daylight in September /
Average sunshine in September
Nerva, Spain
- Average daylight in September: 12h and 2min
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 36min).
- Average sunshine in September: 9h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 8h and 6min).
Average sunshine days in September
Nerva, Spain
- Average sunshine days in September: 24.6 days
The month with the most sunshine days is July (28.8 days).
The month with the least sunshine days is April (18.8 days).
Average UV index in September
Nerva, Spain
- Average UV index in September: 6
The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January, February, March, November and December (UV index 4).
Average cloud cover in September
Nerva, Spain
- Average cloud cover in September: 14
The month with the most cloud cover is January (Cloud cover 30).
The month with the least cloud cover is July (Cloud cover 5).
Average visibility in September
Nerva, Spain
- 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).
