September weather forecast
Tessaoua, Niger

In September, weather conditions in Tessaoua transition to a more dry and sunny environment. High temperatures begin to increase once again, signaling the gradual end of the monsoon season. A significant drop in relative humidity and rainfall is noticeable, indicating the approach of the drier months. Comparing to August, a decrease in the number of rainy and cloudy days provides room for more sunshine days in September. As the month progresses, the plummeting rainfall signals the onset of the drier phase of Tessaoua's climate.

Temperature

The transition into September marks the average high-temperature at a still hot 34.6°C (94.3°F), differing minimally from August's 32°C (89.6°F). The average temperature drops to a moderately hot 24.8°C (76.6°F) during the night in the month of September.

Heat index

The heat index value during September is evaluated at a blistering 41°C (105.8°F). More safety actions are required, heat exhaustion and heat cramps are probable. Long-term activity may precipitate heatstroke.
It is essential to grasp that the heat index's numbers are for shade and light wind settings. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', blends air temperature and moisture content to represent the felt temperature to humans. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
Perspiration and the resultant sweat evaporation are the body's natural thermostat, helping regulate temperature. An increase in relative humidity hinders the body's normal cooling function by reducing evaporation, thereby decreasing the rate of body cooling and enhancing the sense of warmth. Elevated heat gain compared to the body's release capability poses risks of dehydration and potential overheating.

Humidity

The average relative humidity in September is 54%.

Rainfall

In Tessaoua, during September, the rain falls for 8.4 days and regularly aggregates up to 40mm (1.57") of precipitation. In Tessaoua, during the entire year, the rain falls for 58.7 days and collects up to 303mm (11.93") of precipitation.

Daylight

In September, the average length of the day is 12h and 13min.
On the first day of September, sunrise is at 06:16 and sunset at 18:39. On the last day of the month, sunrise is at 06:17 and sunset at 18:18 WAT.

Sunshine

The average sunshine in September is 9.6h.

UV index

The months with the highest UV index are March through June and September, with an average maximum UV index of 8. A UV Index of 8 to 10 symbolizes a very high threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: The UV index of 8 during September leads to these advisories:
Always stay safe. Unprotected skin and eyes can get damaged rapidly. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Always opt for UVA and UVB-resistant sunglasses on radiant days.