September weather forecastTormelin, Guinea

September

Weather in September

September, the first month of the autumn in Tormelin, is also a moderately hot month, with an average temperature varying between 24.1°C (75.4°F) and 27.9°C (82.2°F).

Temperature

The dawn of September sees an average high-temperature of a still moderately hot 27.9°C (82.2°F), subtly contrasting with August's 27°C (80.6°F). Tormelin's September nights experience a subtle temperature dip to an average of 24.1°C (75.4°F).

Heat index

The heat index in September is appraised at a tropical 33°C (91.4°F). Exercise enhanced safety steps, heat cramps and heat exhaustion are probable. Heatstroke could be a result of sustained activity.
It is important to note that the heat index values are for shaded areas and light wind scenarios. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', embodies the combination of air temperature and moisture content to illustrate perceived heat. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.

Humidity

In September, the average relative humidity in Tormelin is 85%.

Rainfall

In Tormelin, in September, during 24.7 rainfall days, 181mm (7.13") of precipitation is typically accumulated. In Tormelin, Guinea, during the entire year, the rain falls for 172.9 days and collects up to 1410mm (55.51") of precipitation.

Daylight

In Tormelin, the average length of the day in September is 12h and 11min.
On the first day of the month, sunrise is at 06:45 and sunset at 19:04. On the last day of September, sunrise is at 06:43 and sunset at 18:45 GMT.

Sunshine

The average sunshine in September is 6.5h.

UV index

January through June, September through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In September, the maximum UV index of 7 transforms into these recommendations:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.

Frequently asked questions

The high-temperature, in September, in Tormelin, records 27.9°C (82.2°F), while the low-temperature is 24.1°C (75.4°F). In September, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is appraised at 33°C (91.4°F).

In Tormelin, Guinea, the average relative humidity in September is 85%.

In Tormelin, Guinea, in September, it is raining for 24.7 days, with typically 181mm (7.13") of accumulated precipitation.

The average day length in September in Tormelin, Guinea, is 12h and 11min.

On the first day of September, sunrise is at 06:45 and sunset at 19:04. On the last day of the month, sunrise is at 06:43 and sunset at 18:45 GMT.

In September, the average sunshine duration is 6.5h.

January through June, September through December, with an average maximum UV index of 7, are months with the highest UV index in Tormelin.

In Tormelin, the average daily maximum UV index in September is 7. A UV Index of 6 to 7 symbolizes a high health risk 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Tormelin, Guinea

  • Average high temperature in September: 27.9°C

The warmest month (with the highest average high temperature) is December (31.1°C).
The month with the lowest average high temperature is August (27°C).

  • Average low temperature in September: 24.1°C

The months with the highest average low temperature are May and June (25.4°C).
The coldest month (with the lowest average low temperature) is February (22.8°C).

Average pressure in September
Tormelin, Guinea

  • Average pressure in September: 1012.8mbar

The month with the highest atmospheric pressure is July (1013.7mbar).
The months with the lowest atmospheric pressure are February and March (1010.5mbar).

Average wind speed in September
Tormelin, Guinea

  • Average wind speed in September: 9.3km/h

The windiest month (with the highest average wind speed) is August (11.5km/h).
The calmest month (with the lowest average wind speed) is November (7.1km/h).

Average humidity in September
Tormelin, Guinea

  • Average humidity in September: 85%

The month with the highest relative humidity is August (86%).
The month with the lowest relative humidity is January (63%).

Average rainfall in September
Tormelin, Guinea

  • Average rainfall in September: 181mm

The wettest month (with the highest rainfall) is August (478mm).
The driest month (with the least rainfall) is February (1mm).

Average rainfall days in September
Tormelin, Guinea

  • Average rainfall days in September: 24.7 days

The month with the highest number of rainy days is August (28.3 days).
The month with the least rainy days is January (1 days).

Average daylight in September /
Average sunshine in September
Tormelin, Guinea

  • Average daylight in September: 12h and 12min

The month with the longest days is June (Average daylight: 12h and 42min).
The month with the shortest days is December (Average daylight: 11h and 30min).

  • Average sunshine in September: 6h and 30min

The months with the most sunshine are February and March (Average sunshine: 9h and 54min).
The month with the least sunshine is August (Average sunshine: 4h and 30min).

Average sunshine days in September
Tormelin, Guinea

  • Average sunshine days in September: 4.3 days

The month with the most sunshine days is January (29.7 days).
The month with the least sunshine days is August (2.3 days).

Average UV index in September
Tormelin, Guinea

  • Average UV index in September: 7

The months with the highest UV index are January, February, March, April, May, June, September, October, November and December (UV index 7).
The months with the lowest UV index are July and August (UV index 6).

Average cloud cover in September
Tormelin, Guinea

  • Average cloud cover in September: 57

The month with the most cloud cover is August (Cloud cover 71).
The month with the least cloud cover is February (Cloud cover 9).

Average visibility in September
Tormelin, Guinea

  • Average visibility in September: 9km

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