September weather forecastRijau, Nigeria

September

Weather in September

September, the first month of the autumn in Rijau, is also a hot month, with an average temperature varying between 31.7°C (89.1°F) and 23.6°C (74.5°F).

Temperature

September registers an average high-temperature of a still tropical 31.7°C (89.1°F), slightly varied from August's 30.3°C (86.5°F). During September, Rijau experiences a consistent low-temperature average of 23.6°C (74.5°F).

Heat index

In September, the heat index is calculated to be a scorching 41°C (105.8°F). Implement more preventive measures, heat cramps and heat exhaustion are probable. Heatstroke might result from extended activity.
Heat index details are generally centered around shaded locations and a mild breeze. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'apparent temperature' or 'real feel', gauges the sensation of temperature factoring in the air's moisture content. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.
For the human body, perspiration is the go-to method to regulate temperature, using sweat's evaporation to dissipate warmth. An increase in relative humidity retards evaporation, subsequently reducing the body's heat removal rate and leading to a sensation of being overly warm. When heat uptake goes beyond the body's cooling mechanisms, there's a surge in body temperature, posing health risks.

Humidity

In September, the average relative humidity is 75%.

Rainfall

In September, the rain falls for 18.1 days. Throughout September, 66mm (2.6") of precipitation is accumulated. In Rijau, during the entire year, the rain falls for 99.2 days and collects up to 430mm (16.93") of precipitation.

Daylight

In Rijau, the average length of the day in September is 12h and 11min.
On the first day of September, sunrise is at 06:29 and sunset at 18:48. On the last day of the month, sunrise is at 06:27 and sunset at 18:29 WAT.

Sunshine

The average sunshine in September is 8.8h.

UV index

January, June through September, November and December, with an average maximum UV index of 7, are months with the lowest UV index in Rijau. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: The UV index of 7 during September leads to these advisories:
Resist extreme sun exposure. Guarding against solar damage is essential. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Enhance your sun protection with tightly woven, yet airy clothing.

Updated: Jun 27, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In Rijau, 31.7°C (89.1°F) is the average high-temperature and 23.6°C (74.5°F) is the average low-temperature during September. The average heat index (a.k.a. 'feels like', 'real feel'), which factors the actual air temperature with the relative humidity, in September is calculated to be 41°C (105.8°F).

The average relative humidity in September is 75%.

In Rijau, during September, the rain falls for 18.1 days and regularly aggregates up to 66mm (2.6") of precipitation.

In Rijau, the average day length in September is 12h and 11min.

In September, on the first day of the month, sunrise is at 06:29 and sunset at 18:48. On the last day of the month, sunrise is at 06:27 and sunset at 18:29 WAT.

The average sunshine duration in September is 8.8h.

January, June through September, November and December, with an average maximum UV index of 7, are months with the lowest UV index in Rijau.

In September, the average daily maximum UV index is 7. A UV Index of 6 to 7 symbolizes a high hazard to health from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J J A September O N D

Aug

September

Oct

Average high temperature

30.3°C

31.7°C

35.4°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

8.2km/h

7.1km/h

7.2km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

6.4

10.4

21.1

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Rijau, Nigeria

Average high temperature in September: 31.7°C

The warmest month (with the highest average high temperature) is March (41.5°C).
The month with the lowest average high temperature is August (30.3°C).

Average low temperature in September: 23.6°C

The month with the highest average low temperature is May (27.9°C).
The coldest month (with the lowest average low temperature) is January (18.6°C).

Average pressure in September
Rijau, Nigeria

Average pressure in September: 1011.5mbar

The month with the highest atmospheric pressure is August (1012mbar).
The month with the lowest atmospheric pressure is April (1007.3mbar).

Average wind speed in September
Rijau, Nigeria

Average wind speed in September: 6.7km/h

The windiest month (with the highest average wind speed) is May (10.1km/h).
The calmest month (with the lowest average wind speed) is November (6.3km/h).

Average humidity in September
Rijau, Nigeria

Average humidity in September: 75%

The month with the highest relative humidity is August (79%).
The month with the lowest relative humidity is January (18%).

Average rainfall in September
Rijau, Nigeria

Average rainfall in September: 66mm

The wettest month (with the highest rainfall) is August (148mm).
The driest months (with the least rainfall) are January, February, November and December (0mm).

Average rainfall days in September
Rijau, Nigeria

Average rainfall days in September: 18.1 days

The month with the highest number of rainy days is August (22.3 days).
The month with the least rainy days is December (0 days).

Average daylight in September /
Average sunshine in September
Rijau, Nigeria

Average daylight in September: 12h and 12min

The month with the longest days is June (Average daylight: 12h and 48min).
The month with the shortest days is December (Average daylight: 11h and 30min).

Average sunshine in September: 8h and 48min

The months with the most sunshine are January, November and December (Average sunshine: 10h and 0min).
The month with the least sunshine is August (Average sunshine: 7h and 18min).

Average sunshine days in September
Rijau, Nigeria

Average sunshine days in September: 10.4 days

The month with the most sunshine days is December (31 days).
The month with the least sunshine days is August (6.4 days).

Average UV index in September
Rijau, Nigeria

Average UV index in September: 7

The months with the highest UV index are February, March, April, May and October (UV index 8).
The months with the lowest UV index are January, June, July, August, September, November and December (UV index 7).

Average cloud cover in September
Rijau, Nigeria

Average cloud cover in September: 31

The month with the most cloud cover is August (Cloud cover 46).
The months with the least cloud cover are January and December (Cloud cover 3).

Average visibility in September
Rijau, Nigeria

Average visibility in September: 9km

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