September weather forecastMérida, Spain

September

Weather in September

The first month of the autumn, September, is also a hot month in Mérida, Spain, with an average temperature fluctuating between 30.3°C (86.5°F) and 17°C (62.6°F).

Temperature

The onset of September entails a subtle temperature shift, as the average high-temperature eases from a fiery hot 35°C (95°F) in August to a tropical 30.3°C (86.5°F). Mérida, in September, displays a significant temperature downturn during the night, with an average reading of 17°C (62.6°F).

Heat index

The heat index in September is calculated to be a hot 30°C (86°F). Ongoing exposure and activity could lead to a state of exhaustion, with a chance of heat cramps.
Heat index specifics point out values are for conditions of shade and a slight breeze. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is found by incorporating humidity levels into the air temperature measurement. 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 noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Younglings are generally more in peril than adults due to their reduced perspiration. Coupled with a larger skin surface relative to their tiny bodies and greater heat production because of their activity, they become more at risk.

Humidity

In Mérida, the average relative humidity in September is 43%.

Rainfall

In September, in Mérida, the rain falls for 5 days. Throughout September, 10mm (0.39") of precipitation is accumulated. In Mérida, during the entire year, the rain falls for 93.1 days and collects up to 281mm (11.06") of precipitation.

Snowfall

In Mérida, snow does not fall in February through December.

Daylight

In Mérida, the average length of the day in September is 12h and 26min.
On the first day of the month, sunrise is at 07:54 and sunset at 20:55. On the last day of September, in Mérida, Spain, sunrise is at 08:20 and sunset at 20:09 CEST.

Sunshine

In September, the average sunshine is 9.5h.

UV index

In Mérida, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum high UV index of 6 in September translates into the following recommendations:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Stay sun-safe with clothing that is both closely woven and worn loosely.

Frequently asked questions

In Mérida, in September, the average high-temperature is 30.3°C (86.5°F), and the average low-temperature is 17°C (62.6°F). In September, the average heat index (a.k.a. 'feels like', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is calculated to be 30°C (86°F).

In Mérida, Spain, the average relative humidity in September is 43%.

In Mérida, Spain, in September, during 5 rainfall days, 10mm (0.39") of precipitation is typically accumulated.

February through December are months without snowfall in Mérida.

In Mérida, the average day length in September is 12h and 26min.

On the first day of September in Mérida, sunrise is at 07:54 and sunset at 20:55. On the last day of the month, sunrise is at 08:20 and sunset at 20:09 CEST.

In Mérida, the average sunshine duration in September is 9.5h.

In September, the average daily maximum UV index in Mérida, Spain, is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability 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 days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Mérida, Spain

  • Average high temperature in September: 30.3°C

The warmest month (with the highest average high temperature) is August (35°C).
The month with the lowest average high temperature is January (12.8°C).

  • Average low temperature in September: 17°C

The month with the highest average low temperature is July (19.2°C).
The coldest month (with the lowest average low temperature) is January (3.9°C).

Average pressure in September
Mérida, Spain

  • Average pressure in September: 1016.2mbar

The month with the highest atmospheric pressure is December (1023.2mbar).
The month with the lowest atmospheric pressure is July (1014.9mbar).

Average wind speed in September
Mérida, Spain

  • Average wind speed in September: 8.3km/h

The windiest month (with the highest average wind speed) is March (11.6km/h).
The calmest month (with the lowest average wind speed) is September (8.3km/h).

Average humidity in September
Mérida, Spain

  • Average humidity in September: 43%

The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is August (36%).

Average rainfall in September
Mérida, Spain

  • Average rainfall in September: 10mm

The wettest month (with the highest rainfall) is November (43mm).
The driest month (with the least rainfall) is August (3mm).

Average rainfall days in September
Mérida, Spain

  • Average rainfall days in September: 5 days

The month with the highest number of rainy days is April (13.3 days).
The months with the least rainy days are July and August (1.8 days).

Average snowfall in September
Mérida, Spain

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (2mm).
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
Mérida, Spain

  • 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
Mérida, Spain

  • Average daylight in September: 12h and 24min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in September: 9h and 30min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 7h and 18min).

Average sunshine days in September
Mérida, Spain

  • Average sunshine days in September: 23.5 days

The month with the most sunshine days is August (28.4 days).
The month with the least sunshine days is April (14.4 days).

Average UV index in September
Mérida, Spain

  • 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, November and December (UV index 3).

Average cloud cover in September
Mérida, Spain

  • Average cloud cover in September: 15

The month with the most cloud cover is January (Cloud cover 39).
The month with the least cloud cover is July (Cloud cover 6).

Average visibility in September
Mérida, Spain

  • Average visibility in September: 10km

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