September weather forecast
Foulatari, Niger

September

Weather in September

September marks the conclusion of the monsoon in Foulatari, with rainfall dropping to 19mm (0.75"). The weather takes a swift turn towards dryness, and the clouds begin to part ways. However, despite the reduced rainfall, the temperature dip witnessed in August is not immediate in yielding to the shield of dryness. The dried up arid landscapes bear the otherworldly imprints of the rain-blessed month as Foulatari transitions to the concluding quarter of the year. With each passing day in September, the balmier weather of the rainy season moves further into retreat.

Temperature

The advent of September brings an average high-temperature of a still very hot 37.5°C (99.5°F), exhibiting minor difference from the previous month. An average low-temperature of 28.1°C (82.6°F) is recorded during the nights in September.

Heat index

The heat index in September is estimated at a scorching 42°C (107.6°F). Adopt extra preventive measures, the occurrence of heat cramps and heat exhaustion is likely. Heatstroke may follow extended activity.
Factoring in the heat index, values are geared towards shaded areas with light breezes. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', gives a temperature feeling by integrating air temperature and humidity. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Young children are more at risk than adults since they tend to sweat less. Moreover, their large skin surface in proportion to their small bodies and the high heat production due to their activities contribute to their vulnerability.
The primary way humans combat excessive warmth is by perspiring, letting sweat evaporate and cool the body. When the air holds a significant amount of moisture, the efficiency of the evaporation process is decreased, preventing the body from cooling down efficiently, leading to the sensation of overheating. Overheating and dehydration threats arise when heat gain goes beyond what the body can comfortably shed.

Humidity

The average relative humidity in September is 40%.

Rainfall

In September, the rain falls for 6.8 days. Throughout September, 19mm (0.75") of precipitation is accumulated. Throughout the year, there are 41.3 rainfall days, and 124mm (4.88") of precipitation is accumulated.

Daylight

In Foulatari, the average length of the day in September is 12h and 12min.
On the first day of the month, sunrise is at 06:00 and sunset at 18:22. On the last day of September, sunrise is at 06:01 and sunset at 18:02 WAT.

Sunshine

In September, the average sunshine is 9.7h.

UV index

In September, the average daily maximum UV index is 8. A UV Index reading of 8 to 10 represents a very high health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum UV index of 8 in September translates into the following recommendations:
Ensure you're protected; unprotected eyes and skin can get hurt in moments. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.

Frequently asked questions

How hot is it in September?
In September, the average high-temperature and low-temperature are 37.5°C (99.5°F) and 28.1°C (82.6°F) respectively. In September, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines air temperature and relative humidity, is estimated at 42°C (107.6°F).
What is the average humidity in September?
The average relative humidity in September is 40%.
How many days does it rain in September?
In Foulatari, during September, the rain falls for 6.8 days and regularly aggregates up to 19mm (0.75") of precipitation.
What is the average length of the day in September in Foulatari?
In Foulatari, the average day length in September is 12h and 12min.
When is the sunrise / sunset in September?
In September, on the first day of the month, sunrise is at 06:00 and sunset at 18:22. On the last day of the month, sunrise is at 06:01 and sunset at 18:02 WAT.
How many hours of sunshine does Foulatari have in September?
The average sunshine duration in September is 9.7h.
What is the UV index intensity in September?
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 Sun's UV rays.
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 - Foulatari, Niger
Average temperature in September
Foulatari, Niger
  • Average high temperature in September: 37.5°C

The warmest month (with the highest average high temperature) is May (42.1°C).
The month with the lowest average high temperature is December (31.4°C).

  • Average low temperature in September: 28.1°C

The month with the highest average low temperature is June (30.5°C).
The coldest month (with the lowest average low temperature) is January (16.7°C).

Average pressure in September - Foulatari, Niger
Average pressure in September
Foulatari, Niger
  • Average pressure in September: 1009.7mbar

The month with the highest atmospheric pressure is January (1013.7mbar).
The month with the lowest atmospheric pressure is April (1007mbar).

Average wind speed in September - Foulatari, Niger
Average wind speed in September
Foulatari, Niger
  • Average wind speed in September: 11.5km/h

The windiest month (with the highest average wind speed) is December (17km/h).
The calmest month (with the lowest average wind speed) is September (11.5km/h).

Average humidity in September - Foulatari, Niger
Average humidity in September
Foulatari, Niger
  • Average humidity in September: 40%

The month with the highest relative humidity is August (53%).
The month with the lowest relative humidity is March (11%).

Average rainfall in September - Foulatari, Niger
Average rainfall in September
Foulatari, Niger
  • Average rainfall in September: 19mm

The wettest month (with the highest rainfall) is August (66mm).
The driest months (with the least rainfall) are January, February, March, April, November and December (0mm).

Average rainfall days in September - Foulatari, Niger
Average rainfall days in September
Foulatari, Niger
  • Average rainfall days in September: 6.8 days

The month with the highest number of rainy days is August (14 days).
The months with the least rainy days are January, November and December (0 days).

Average daylight in September / Average sunshine in September - Foulatari, Niger
Average daylight in September /
Average sunshine in September
Foulatari, 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 18min).

  • Average sunshine in September: 9h and 4min

The month with the most sunshine is May (Average sunshine: 12h and 12min).
The months with the least sunshine are November and December (Average sunshine: 7h and 42min).

Average sunshine days in September - Foulatari, Niger
Average sunshine days in September
Foulatari, Niger
  • Average sunshine days in September: 20.8 days

The months with the most sunshine days are January and December (31 days).
The month with the least sunshine days is August (14.3 days).

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

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

Average cloud cover in September - Foulatari, Niger
Average cloud cover in September
Foulatari, Niger
  • Average cloud cover in September: 17

The month with the most cloud cover is August (Cloud cover 31).
The months with the least cloud cover are January, November and December (Cloud cover 2).

Average visibility in September - Foulatari, Niger
Average visibility in September
Foulatari, 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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