September weather forecast
Dosso, Niger

September

Weather in September

September signifies a change of season in Dosso, Niger, with rainfall reducing substantially to 20mm (0.79"), suggesting the end of the monsoon season. As the rain recedes, the temperature further dips, and humidity levels begin to decline. However, sunshine hours see an increase, providing more bright and sunny days compared to the previous months. The city continues to enjoy excellent visibility, setting the stage for pleasant weather in the coming month. October is on the horizon, ready to bring typical autumn conditions with even lesser rain.

Temperature

September is marked by an average high-temperature of a still hot 34.7°C (94.5°F), almost identical to the preceding month. The average low-temperature of 24.9°C (76.8°F) is witnessed during September.

Heat index

The heat index value for September is appraised at a life-threatening hot 45°C (113°F). Be cautious: Heat exhaustion along with heat cramps are predicted. Heatstroke is a possible consequence of continuous physical effort.
From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'feels like', gives an indication of how one might feel in terms of heat after considering humidity. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
Sweat evaporation, driven by perspiration, is the method the human body uses to rid itself of excessive warmth. An elevated level of relative humidity hinders evaporation, leading to decreased heat elimination from the body, inducing a sensation of excess heat. As the body gains more heat than it can dissipate, there's a risk of increasing temperatures and resultant overheating.

Humidity

In September, the average relative humidity is 61%.

Rainfall

In Dosso, in September, during 8.1 rainfall days, 20mm (0.79") of precipitation is typically accumulated. In Dosso, during the entire year, the rain falls for 58.1 days and collects up to 231mm (9.09") of precipitation.

Daylight

The average length of the day in September in Dosso is 12h and 12min.
On the first day of September, sunrise is at 06:36 and sunset at 18:57. On the last day of the month, sunrise is at 06:36 and sunset at 18:37 WAT.

Sunshine

In Dosso, the average sunshine in September is 9.3h.

UV index

In Dosso, the average daily maximum UV index in September is 8. A UV Index of 8 to 10 symbolizes a very high threat to health from unsafe exposure to UV radiation for average individuals.
Note: The maximum UV index, 8 during September, leads to the following recommendations:
Always safeguard yourself; without protection, skin and eyes can get damaged instantly. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.

Frequently asked questions

How hot does it get in September?
In September, the average high-temperature and low-temperature are 34.7°C (94.5°F) and 24.9°C (76.8°F) respectively. In September, the average heat index (a.k.a. 'feels like', 'real feel'), which represents the influence of relative humidity on air temperature, is appraised at 45°C (113°F).
What is the average humidity in September?
In September, the average relative humidity is 61%.
How much does it rain in September?
In Dosso, in September, it is raining for 8.1 days, with typically 20mm (0.79") of accumulated precipitation.
How many hours of daylight does Dosso have in September?
In September, the average day length is 12h and 12min.
When are sunrise and sunset in September?
On the first day of September, sunrise is at 06:36 and sunset at 18:57. On the last day of the month, sunrise is at 06:36 and sunset at 18:37 WAT.
How many hours of sunshine does Dosso have in September?
In Dosso, the average sunshine duration in September is 9.3h.
What is the UV index reading in September?
In Dosso, the average daily maximum UV index in September is 8. A UV Index of 8 to 10 symbolizes a very high health vulnerability from exposure to the Sun's UV radiation.
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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September - Dosso, Niger
Average temperature in September
Dosso, Niger
  • Average high temperature in September: 34.7°C

The warmest month (with the highest average high temperature) is April (42.3°C).
The month with the lowest average high temperature is August (32.8°C).

  • Average low temperature in September: 24.9°C

The month with the highest average low temperature is May (29.8°C).
The coldest month (with the lowest average low temperature) is January (17.1°C).

Average pressure in September - Dosso, Niger
Average pressure in September
Dosso, Niger
  • Average pressure in September: 1010.8mbar

The month with the highest atmospheric pressure is January (1012.1mbar).
The month with the lowest atmospheric pressure is April (1006.8mbar).

Average wind speed in September - Dosso, Niger
Average wind speed in September
Dosso, Niger
  • Average wind speed in September: 9.2km/h

The windiest month (with the highest average wind speed) is January (13.1km/h).
The calmest month (with the lowest average wind speed) is October (8.7km/h).

Average humidity in September - Dosso, Niger
Average humidity in September
Dosso, Niger
  • Average humidity in September: 61%

The month with the highest relative humidity is August (67%).
The month with the lowest relative humidity is March (13%).

Average rainfall in September - Dosso, Niger
Average rainfall in September
Dosso, Niger
  • Average rainfall in September: 20mm

The wettest month (with the highest rainfall) is August (101mm).
The driest months (with the least rainfall) are January, March, November and December (0mm).

Average rainfall days in September - Dosso, Niger
Average rainfall days in September
Dosso, Niger
  • Average rainfall days in September: 8.1 days

The month with the highest number of rainy days is August (15.3 days).
The months with the least rainy days are January, November and December (0 days).

Average daylight in September / Average sunshine in September - Dosso, Niger
Average daylight in September /
Average sunshine in September
Dosso, Niger
  • Average daylight in September: 12h and 1min

The month with the longest days is June (Average daylight: 12h and 54min).
The month with the shortest days is December (Average daylight: 11h and 24min).

  • Average sunshine in September: 9h and 2min

The months with the most sunshine are November and December (Average sunshine: 10h and 0min).
The month with the least sunshine is August (Average sunshine: 8h and 12min).

Average sunshine days in September - Dosso, Niger
Average sunshine days in September
Dosso, Niger
  • Average sunshine days in September: 19.4 days

The months with the most sunshine days are January and December (31 days).
The month with the least sunshine days is August (13.9 days).

Average UV index in September - Dosso, Niger
Average UV index in September
Dosso, Niger
  • Average UV index in September: 8

The month with the highest UV index is April (UV index 9).
The month with the lowest UV index is December (UV index 6).

Average cloud cover in September - Dosso, Niger
Average cloud cover in September
Dosso, Niger
  • Average cloud cover in September: 23

The month with the most cloud cover is August (Cloud cover 37).
The months with the least cloud cover are November and December (Cloud cover 3).

Average visibility in September - Dosso, Niger
Average visibility in September
Dosso, Niger
  • 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).

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