September weather forecast
Managua, Nicaragua

An ancient building in the Central Square in Managua, Nicaragua
An ancient building in the Central Square in Managua, Nicaragua

Weather in September

September, the first month of the autumn in Managua, is also a hot month, with temperature in the range of an average high of 30.4°C (86.7°F) and an average low of 23.1°C (73.6°F).

Temperature

In September, the average high-temperature is practically the same as in August - a still tropical 30.4°C (86.7°F). In September, in Managua, Nicaragua, the average low-temperature is 23.1°C (73.6°F).

Heat index

In September, the average heat index is appraised at a scorching 40°C (104°F). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'real feel', 'apparent temperature', or 'felt air temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (clothing, metabolic differences, wind). Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. 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.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. Under high air temperature and humidity (high heat index) conditions, perspiration is limited, and the perception of heat is increased. 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 Managua, the average relative humidity in September is 83%.

Rainfall

In September, the rain falls for 26.5 days. Throughout September, 173mm (6.81") of precipitation is accumulated. Throughout the year, in Managua, there are 203.8 rainfall days, and 1319mm (51.93") of precipitation is accumulated.

Daylight

In Managua, the average length of the day in September is 12h and 11min.
On the first day of the month, sunrise is at 05:34 and sunset at 17:55. On the last day of September, in Managua, sunrise is at 05:33 and sunset at 17:35 CST.

Sunshine

In September, the average sunshine in Managua is 8.6h.

UV index

January through September, November and December, with an average maximum UV index of 7, are months with the highest UV index in Managua. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 7 in September interpret into the following advice:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in September in Managua?

In September, the average high-temperature is 30.4°C (86.7°F), and the average low-temperature is 23.1°C (73.6°F). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines air temperature and relative humidity, in September is appraised at 40°C (104°F).

What is the average humidity in September in Managua?

The average relative humidity in September in Managua is 83%.

How much does it rain in Managua in September?

In Managua, during September, the rain falls for 26.5 days and regularly aggregates up to 173mm (6.81") of precipitation.

What is the average length of the day in September in Managua?

In Managua, the average day length in September is 12h and 11min.

When is the sunrise / sunset in September in Managua?

On the first day of September, sunrise is at 05:34 and sunset at 17:55. On the last day of the month, sunrise is at 05:33 and sunset at 17:35 CST.

How long on average sun shines in September in Managua?

In September, the average sunshine duration in Managua is 8.6h.

What is the month with the highest UV index in Managua?

January through September, November and December, with an average maximum UV index of 7, are months with the highest UV index in Managua, Nicaragua.

What is the UV index reading in September in Managua?

The average daily maximum UV index in September in Managua is 7. A UV Index of 6 to 7 symbolizes a high hazard to health from unprotected exposure to UV radiation.

Average temperature in September
Managua, Nicaragua

Average temperature in September - Managua, Nicaragua
  • Average high temperature in September: 30.4°C

The warmest month (with the highest average high temperature) is April (34.6°C).
The month with the lowest average high temperature is October (29.3°C).

  • Average low temperature in September: 23.1°C

The month with the highest average low temperature is May (25.1°C).
The coldest month (with the lowest average low temperature) is January (21.4°C).

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Average pressure in September
Managua, Nicaragua

Average pressure in September - Managua, Nicaragua
  • Average pressure in September: 1011mbar

The month with the highest atmospheric pressure is January (1012.6mbar).
The month with the lowest atmospheric pressure is October (1010.6mbar).

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Average wind speed in September
Managua, Nicaragua

Average wind speed in September - Managua, Nicaragua
  • Average wind speed in September: 7.9km/h

The windiest month (with the highest average wind speed) is February (17.7km/h).
The calmest month (with the lowest average wind speed) is October (7.1km/h).

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Average humidity in September
Managua, Nicaragua

Average humidity in September - Managua, Nicaragua
  • Average humidity in September: 83%

The month with the highest relative humidity is October (86%).
The months with the lowest relative humidity are March and April (59%).

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Average rainfall in September
Managua, Nicaragua

Average rainfall in September - Managua, Nicaragua
  • Average rainfall in September: 173mm

The wettest month (with the highest rainfall) is October (317mm).
The driest month (with the least rainfall) is January (2mm).

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Average rainfall days in September
Managua, Nicaragua

Average rainfall days in September - Managua, Nicaragua
  • Average rainfall days in September: 26.5 days

The month with the highest number of rainy days is October (29.5 days).
The month with the least rainy days is January (2.8 days).

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Average daylight in September /
Average sunshine in September
Managua, Nicaragua

Average daylight in September / Average sunshine in September - Managua, Nicaragua
  • Average daylight in September: 12h and 11min

The month with the longest days is June (Average daylight: 12h and 50min).
The month with the shortest days is December (Average daylight: 11h and 26min).

  • Average sunshine in September: 8h and 36min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 7h and 18min).

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Average sunshine days in September
Managua, Nicaragua

Average sunshine days in September - Managua, Nicaragua
  • Average sunshine days in September: 2.7 days

The month with the most sunshine days is March (26.3 days).
The month with the least sunshine days is October (1.1 days).

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Average UV index in September
Managua, Nicaragua

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

The months with the highest UV index are January, February, March, April, May, June, July, August, September, November and December (UV index 7).
The month with the lowest UV index is October (UV index 6).

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Average cloud cover in September
Managua, Nicaragua

Average cloud cover in September - Managua, Nicaragua
  • Average cloud cover in September: 40

The month with the most cloud cover is October (Cloud cover 45).
The month with the least cloud cover is March (Cloud cover 16).

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Average visibility in September
Managua, Nicaragua

Average visibility in September - Managua, Nicaragua
  • Average visibility in September: 8km

The months with the highest visibility are January, February, March, April and December (10km).
The months with the lowest visibility are September and October (8km).

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