September weather forecastRio Campo, Equatorial Guinea

September

Weather in September

September brings along an abrupt rise of rainfall reaching 160mm (6.3") in total, a remarkable increase from August. January-like conditions make a return with sea temperatures making a leap. A mild increase in average temperatures enhances the appeal of Rio Campo's lush green landscapes. The daylight hours remain consistent without indicating any sharp variations. In summary, September displays an abrupt shift towards wetter conditions.

Temperature

With September's advent, Rio Campo, Equatorial Guinea, sees an average high-temperature of a still moderately hot 26.5°C (79.7°F), subtly shifted from August's 26.2°C (79.2°F). Throughout the nights in September, Rio Campo notes an average low of 22.3°C (72.1°F), a small dip from the daytime peak.

Humidity

June, September and October, with an average relative humidity of 88%, are the most humid months.

Rainfall

In Rio Campo, in September, it is raining for 29.7 days, with typically 160mm (6.3") of accumulated precipitation. Throughout the year, there are 356.5 rainfall days, and 1864mm (73.39") of precipitation is accumulated.

Sea temperature

In Rio Campo, Equatorial Guinea, in September, the average water temperature is 26.6°C (79.9°F).
Note: For engaging in any water activities, temperatures from 25°C (77°F) to 29°C (84.2°F) are viewed as outstanding and exceptionally pleasing for prolonged durations.

Daylight

In September, the average length of the day is 12h and 8min.
On the first day of the month, sunrise is at 06:15 and sunset at 18:25. On the last day of September, sunrise is at 06:07 and sunset at 18:13 WAT.

Sunshine

The average sunshine in September is 5.8h.

UV index

The months with the lowest UV index are May through December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for average individuals.
Note: An average UV index of 6 in September transforms into this advice:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Attention! The reflection of both water and sand can increase the intensity of UV rays.

Updated: Aug 12, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In Rio Campo, 26.5°C (79.7°F) is the average high-temperature and 22.3°C (72.1°F) is the average low-temperature during September. In May, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is calculated to be 33°C (91.4°F).

June, September and October, with an average relative humidity of 88%, are most humid months.

In September, the average relative humidity is 88%.

In Rio Campo, during September, the rain falls for 29.7 days and regularly aggregates up to 160mm (6.3") of precipitation.

In Rio Campo, the average seawater temperature in September is 26.6°C (79.9°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

In September, the average day length is 12h and 8min.

On the first day of September in Rio Campo, sunrise is at 06:15 and sunset at 18:25. On the last day of the month, sunrise is at 06:07 and sunset at 18:13 WAT.

In September, the average sunshine duration is 5.8h.

May through December, with an average maximum UV index of 6, are months with the lowest UV index.

In Rio Campo, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from exposure to Sun's UV rays.

Today

Tomorrow

Long-term

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

Aug

September

Oct

Average high temperature

26.2°C

26.5°C

26.8°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

13.1km/h

10.8km/h

9.2km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

29.7

30.4

Average sea temperature

Average daylight

Average sunshine

Average sunshine days

0.2

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Rio Campo, Equatorial Guinea

Average high temperature in September: 26.5°C

The warmest month (with the highest average high temperature) is March (28.8°C).
The month with the lowest average high temperature is August (26.2°C).

Average low temperature in September: 22.3°C

The month with the highest average low temperature is March (24.2°C).
The coldest months (with the lowest average low temperature) are July, August and September (22.3°C).

Average pressure in September
Rio Campo, Equatorial Guinea

Average pressure in September: 1012.9mbar

The month with the highest atmospheric pressure is July (1013.8mbar).
The months with the lowest atmospheric pressure are February and March (1010mbar).

Average wind speed in September
Rio Campo, Equatorial Guinea

Average wind speed in September: 10.3km/h

The windiest month (with the highest average wind speed) is August (12.1km/h).
The calmest months (with the lowest average wind speed) are April and November (7.4km/h).

Average humidity in September
Rio Campo, Equatorial Guinea

Average humidity in September: 88%

The months with the highest relative humidity are June, September and October (88%).
The months with the lowest relative humidity are January, February and March (84%).

Average rainfall in September
Rio Campo, Equatorial Guinea

Average rainfall in September: 160mm

The wettest month (with the highest rainfall) is May (238mm).
The driest month (with the least rainfall) is July (90mm).

Average rainfall days in September
Rio Campo, Equatorial Guinea

Average rainfall days in September: 29.7 days

The month with the highest number of rainy days is May (30.9 days).
The month with the least rainy days is February (27.7 days).

Average sea temperature in September
Rio Campo, Equatorial Guinea

Average sea temperature in September: 26.6°C

The best month for swimming (with the highest average sea temperature) is March (29.5°C).
The coldest month (with the lowest average sea temperature) is August (25.7°C).

Average daylight in September /
Average sunshine in September
Rio Campo, Equatorial Guinea

Average daylight in September: 12h and 6min

The month with the longest days is June (Average daylight: 12h and 18min).
The month with the shortest days is December (Average daylight: 12h and 0min).

Average sunshine in September: 5h and 48min

The month with the most sunshine is February (Average sunshine: 8h and 36min).
The month with the least sunshine is August (Average sunshine: 5h and 30min).

Average sunshine days in September
Rio Campo, Equatorial Guinea

Average sunshine days in September: 0 days

The month with the most sunshine days is July (0.8 days).
The months with the least sunshine days are August, September and November (0 days).

Average UV index in September
Rio Campo, Equatorial Guinea

Average UV index in September: 6

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

Average cloud cover in September
Rio Campo, Equatorial Guinea

Average cloud cover in September: 64

The month with the most cloud cover is August (Cloud cover 67).
The month with the least cloud cover is February (Cloud cover 40).

Average visibility in September
Rio Campo, Equatorial Guinea

Average visibility in September: 9km

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