September weather forecast
Navrongo, Ghana

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Weather in September

The arrival of September heralds a retreat of the heavy rains. Though the rainfall marginally decreases from 130mm (5.12") to 79mm (3.11"), Navrongo still receives reasonable amounts of rain. Temperatures mount gradually, bringing back some of the town's warmth. The latter part of the month sees a commendable transition to drier days, signaling the end of monsoon season.

Temperature

Navrongo indicates an average high-temperature of a still hot 32.4°C (90.3°F) in September, showing minor variation from August's 30.8°C (87.4°F). Navrongo, in September, experiences an average temperature of 23.4°C (74.1°F) at night.

Heat index

For September, the heat index is calculated to be a blistering 44°C (111.2°F). Mindful: Heat cramps and heat exhaustion are to be expected. Extended physical effort might result in heatstroke.
Heat index evaluations are typically in the context of light winds and shaded environments. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'real feel' or 'apparent temperature', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.
Humans rely on perspiration as a cooling mechanism, wherein the evaporating sweat counteracts excessive warmth. When relative humidity is at high levels, the evaporation rate lessens, causing the body to keep more heat than it would in less humid conditions. Should the body fail to balance its heat gain, the escalating temperature poses health challenges.

Humidity

The average relative humidity in September in Navrongo is 75%.

Rainfall

In Navrongo, in September, it is raining for 20.4 days, with typically 79mm (3.11") of accumulated precipitation. Throughout the year, there are 118.8 rainfall days, and 446mm (17.56") of precipitation is accumulated.

Daylight

In September, the average length of the day in Navrongo, Ghana, is 12h and 11min.
On the first day of September, sunrise is at 05:54 and sunset at 18:13. On the last day of the month, sunrise is at 05:53 and sunset at 17:55 GMT.

Sunshine

The average sunshine in September in Navrongo, Ghana, is 9.7h.

UV index

The months with the lowest UV index are January, June through September and December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the ordinary person.
Note: A maximum daily UV index of 7 during September morphs into the following directions:
Fend off overexposure. Sun protection is vital. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
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Frequently asked questions

How hot does it get in Navrongo in September?

The average high-temperature and low-temperature in Navrongo during September are 32.4°C (90.3°F) and 23.4°C (74.1°F) respectively. The average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines relative humidity and air temperature, in September is calculated to be 44°C (111.2°F).

What is the average humidity in September in Navrongo?

In September, the average relative humidity is 75%.

How much does it rain in Navrongo in September?

In Navrongo, in September, it is raining for 20.4 days, with typically 79mm (3.11") of accumulated precipitation.

How many hours of daylight does Navrongo have in September?

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

When are sunrise and sunset in September in Navrongo?

In September, on the first day of the month, sunrise is at 05:54 and sunset at 18:13. On the last day of the month, sunrise is at 05:53 and sunset at 17:55 GMT.

How many hours of sunshine does Navrongo have in September?

In September, the average sunshine duration in Navrongo is 9.7h.

What are the months with the lowest UV index in Navrongo?

January, June through September and December, with an average maximum UV index of 7, are months with the lowest UV index in Navrongo, Ghana.

How high is the UV index in September in Navrongo?

In September, the average daily maximum UV index in Navrongo is 7. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to Sun's UV rays.

Average temperature in September
Navrongo, Ghana

Average temperature in September - Navrongo, Ghana
  • Average high temperature in September: 32.4°C

The warmest months (with the highest average high temperature) are March and April (41°C).
The month with the lowest average high temperature is August (30.8°C).

  • Average low temperature in September: 23.4°C

The months with the highest average low temperature are April and May (28.5°C).
The coldest month (with the lowest average low temperature) is January (19.6°C).

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Average pressure in September
Navrongo, Ghana

Average pressure in September - Navrongo, Ghana
  • Average pressure in September: 1011.5mbar

The month with the highest atmospheric pressure is August (1011.8mbar).
The month with the lowest atmospheric pressure is April (1007.5mbar).

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Average wind speed in September
Navrongo, Ghana

Average wind speed in September - Navrongo, Ghana
  • Average wind speed in September: 7.1km/h

The windiest month (with the highest average wind speed) is January (11.3km/h).
The calmest month (with the lowest average wind speed) is September (7.1km/h).

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Average humidity in September
Navrongo, Ghana

Average humidity in September - Navrongo, Ghana
  • Average humidity in September: 75%

The month with the highest relative humidity is August (78%).
The month with the lowest relative humidity is January (13%).

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Average rainfall in September
Navrongo, Ghana

Average rainfall in September - Navrongo, Ghana
  • Average rainfall in September: 79mm

The wettest month (with the highest rainfall) is August (130mm).
The driest months (with the least rainfall) are January and December (0mm).

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Average rainfall days in September
Navrongo, Ghana

Average rainfall days in September - Navrongo, Ghana
  • Average rainfall days in September: 20.4 days

The month with the highest number of rainy days is August (25 days).
The months with the least rainy days are January and December (0.1 days).

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Average daylight in September /
Average sunshine in September
Navrongo, Ghana

Average daylight in September / Average sunshine in September - Navrongo, Ghana
  • Average daylight in September: 12h and 1min

The month with the longest days is June (Average daylight: 12h and 48min).
The month with the shortest days is December (Average daylight: 11h and 30min).

  • Average sunshine in September: 9h and 4min

The month with the most sunshine is May (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 7h and 42min).

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Average sunshine days in September
Navrongo, Ghana

Average sunshine days in September - Navrongo, Ghana
  • Average sunshine days in September: 7 days

The months with the most sunshine days are January and December (30.8 days).
The month with the least sunshine days is August (4.8 days).

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Average UV index in September
Navrongo, Ghana

Average UV index in September - Navrongo, Ghana
  • Average UV index in September: 7

The months with the highest UV index are February, March, April, May, October and November (UV index 8).
The months with the lowest UV index are January, June, July, August, September and December (UV index 7).

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Average cloud cover in September
Navrongo, Ghana

Average cloud cover in September - Navrongo, Ghana
  • Average cloud cover in September: 34

The month with the most cloud cover is August (Cloud cover 48).
The month with the least cloud cover is December (Cloud cover 4).

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Average visibility in September
Navrongo, Ghana

Average visibility in September - Navrongo, Ghana
  • Average visibility in September: 9km

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

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Navrongo, Ghana

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