September weather forecastDioundiou, Niger

September

Weather in September

September, the first month of the autumn in Dioundiou, is also a hot month, with an average temperature ranging between min 24.9°C (76.8°F) and max 34.7°C (94.5°F).

Temperature

Dioundiou greets September with an average high-temperature of a still hot 34.7°C (94.5°F), marking a slight deviation from the preceding month. In September, Dioundiou experiences an average nighttime temperature of 24.9°C (76.8°F).

Heat index

In September, the average heat index is estimated at a burning hot 45°C (113°F). Beware: Heat exhaustion along with heat cramps are on the cards. Heatstroke could result from sustained physical activity.
Metrics for the heat index primarily focus on shaded spots and light wind conditions. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.
When temperatures rise, the human body turns to perspiration, using the cooling power of evaporating sweat. 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. Overheating and potential dehydration arise when body heat gain eclipses its release capability.

Humidity

The average relative humidity in September is 61%.

Rainfall

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

Daylight

In September, the average length of the day is 12h and 12min.
On the first day of September, sunrise is at 06:34 and sunset at 18:56. On the last day of the month, sunrise is at 06:34 and sunset at 18:36 WAT.

Sunshine

The average sunshine in September is 9.3h.

UV index

The average daily maximum UV index in September in Dioundiou is 8. A UV Index value of 8 to 10 symbolizes a very high threat to health from exposure to the Sun's UV rays for average individuals.
Note: A maximum UV index of 8 in September translates into the following recommendations:
Always remain cautious. Unprotected skin and eyes are prone to swift harm. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.

Frequently asked questions

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. 'real feel', 'feels like'), which factors the actual air temperature with the relative humidity, is estimated at 45°C (113°F).

In September, the average relative humidity is 61%.

In Dioundiou, in September, it is raining for 8.1 days, with typically 20mm (0.79") of accumulated precipitation.

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

In September, on the first day of the month, sunrise is at 06:34 and sunset at 18:56. On the last day of the month, sunrise is at 06:34 and sunset at 18:36 WAT.

In September, the average sunshine duration is 9.3h.

The average daily maximum UV index in September in Dioundiou, Niger, is 8. A UV Index estimate of 8 to 10 represents a very high hazard to health from unprotected exposure to 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Dioundiou, 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
Dioundiou, 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
Dioundiou, 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
Dioundiou, 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
Dioundiou, 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
Dioundiou, 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
Dioundiou, Niger

  • Average daylight in September: 12h and 12min

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 18min

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
Dioundiou, 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
Dioundiou, 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
Dioundiou, 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
Dioundiou, 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).