September weather forecast and climate
Granada, Nicaragua

September, the first month of the autumn, in Granada, is still a tropical month, with temperature in the range of an average low of 23.8°C (74.8°F) and an average high of 30.5°C (86.9°F).

Temperature

In Granada, Nicaragua, the average high-temperature in September is essentially the same as in August - a still hot 30.5°C (86.9°F). The average low-temperature, in September, is 23.8°C (74.8°F).

Heat index

The average heat index is calculated to a sweltering 39.9°C (103.8°F). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'real feel', 'feels like', or 'apparent temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. Additional factors like activity, differences in body mass, height, and shape, metabolic differences, and wind affect individual temperature impact. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. High relative humidity reduces the evaporation rate, resulting in a lower heat removal rate from the body, causing the perception of being overheated. When heat gain exceeds the level the body can remove, body temperature begins to rise, and heat-related illnesses and disorders may develop.

Humidity

In Granada, Nicaragua, the average relative humidity is 82%.

Rainfall

In Granada, in September, it is raining for 27.7 days, with typically 232mm (9.13") of accumulated precipitation. In Granada, during the entire year, the rain falls for 222.2 days and collects up to 1655mm (65.16") of precipitation.

Daylight

In Granada, the average length of the day is 12.2h.

Sunshine

In Granada, Nicaragua, the average sunshine in September is 8.4h.

UV index

Months with the highest UV index are January through December, with an average maximum UV index of 7. Months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health risk from the exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 7 transform into the following instructions:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in September in Granada?

In September, the average high-temperature is 30.5°C (86.9°F), and the average low-temperature is 23.8°C (74.8°F). The average heat index (a.k.a. 'real feel', 'felt air temperature'), that combines air temperature and relative humidity, in September is evaluated at 39.9°C (103.8°F).

What is the average humidity in September in Granada?

In Granada, the average relative humidity in September is 82%.

How many days does it rain in September in Granada?

In Granada, in September, during 27.7 rainfall days, 232mm (9.13") of precipitation is typically accumulated.

How many hours of daylight does Granada have in September?

The average length of the day in September is 12.2h.

How long on average sun shines in September in Granada?

In Granada, the average sunshine in September is 8.4h.

What are the months with the highest UV index in Granada?

Months with the highest UV index in Granada are January through December, with an average maximum UV index of 7.

When is the lowest UV index in Granada?

January through December, with an average maximum UV index of 7, are months with the lowest UV index.

What is the UV index reading in September in Granada?

In September, the average daily maximum UV index in Granada, Nicaragua, is 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to the UV radiation.
Average temperature in September - Granada, Nicaragua
  • Average high temperature in September: 30.5°C

The warmest month (with the highest average high temperature) is April (33.8°C).
The month with the lowest average high temperature is October (29.3°C).

  • Average low temperature in September: 23.8°C

The month with the highest average low temperature is May (25.5°C).
The coldest month (with the lowest average low temperature) is January (22.3°C).

Average pressure in September - Granada, Nicaragua
  • Average pressure in September: 1010.8mbar

The month with the highest atmospheric pressure is January (1012.4mbar).
The month with the lowest atmospheric pressure is October (1010.4mbar).

Average wind speed in September - Granada, Nicaragua
  • Average wind speed in September: 8.6km/h

The windiest month (with the highest average wind speed) is February (18.3km/h).
The calmest month (with the lowest average wind speed) is October (7.9km/h).

Average humidity in September - Granada, Nicaragua
  • Average humidity in September: 82%

The month with the highest relative humidity is October (84%).
Months with the lowest relative humidity are March and April (62%).

Average rainfall in September - Granada, Nicaragua
  • Average rainfall in September: 232mm

The wettest month (with the highest rainfall) is October (353mm).
The driest months (with the least rainfall) are January, February and March (4mm).

Average rainfall days in September - Granada, Nicaragua
  • Average rainfall days in September: 27.7 days

The month with the highest number of rainy days is October (29.2 days).
The month with the least rainy days is February (3.9 days).

Average daylight in September / Average sunshine in September - Granada, Nicaragua
  • Average daylight in September: 12.2h

The month with the longest days is June (Average daylight: 12.8h).
The month with the shortest days is December (Average daylight: 11.4h).

  • Average sunshine in September: 8.4h

The month with the most sunshine is March (Average sunshine: 9.4h).
The month with the least sunshine is January (Average sunshine: 6.9h).

Average sunshine days in September - Granada, Nicaragua
  • Average sunshine days in September: 1.2 days

The month with the most sunshine days is March (24.8 days).
The month with the least sunshine days is June (0.4 days).

Average UV index in September - Granada, Nicaragua
  • Average UV index in September: 7

Months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
Months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).

Average cloud cover in September - Granada, Nicaragua
  • Average cloud cover in September: 42

The month with the most cloud cover is July (Cloud cover 48).
The month with the least cloud cover is March (Cloud cover 23).

Average visibility in September - Granada, Nicaragua
  • Average visibility in September: 9km

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