Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
September's average high-temperature in Gamba is a still moderately hot 25.2°C (77.4°F), maintaining a close comparison with August's 24.3°C (75.7°F). The temperature during September nights demonstrates a small drop from the daytime highs, settling to an average of 22.6°C (72.7°F).Humidity
In Gamba, the average relative humidity in September is 85%.Rainfall
In September, in Gamba, the rain falls for 16.8 days. Throughout September, 22mm (0.87") of precipitation is accumulated. Throughout the year, there are 242 rainfall days, and 1179mm (46.42") of precipitation is accumulated.Daylight
In September, the average length of the day is 12h and 6min.On the first day of September, sunrise is at 06:17 and sunset at 18:21. On the last day of the month, sunrise is at 06:05 and sunset at 18:13 WAT.
Sunshine
The month with the least sunshine in Gamba is September, with an average of 5.7h of sunshine.UV index
February, May through October, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the average person.Note: The daily maximum UV index of 6 in September interprets into the following advice:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Gamba in September?
What is the average humidity in September in Gamba?
How many days does it rain in September in Gamba?
What is the average length of the day in September in Gamba?
What time are sunrise and sunset in September in Gamba?
What is the month with the least sunshine in Gamba?
How many hours of sunshine does Gamba have in September?
When is the lowest UV index in Gamba?
How high is the UV index in September in Gamba?
Average temperature in September
Gamba, Gabon
- Average high temperature in September: 25.2°C
The warmest months (with the highest average high temperature) are March and April (29°C).
The months with the lowest average high temperature are July and August (24.3°C).
- Average low temperature in September: 22.6°C
The months with the highest average low temperature are February and April (25.5°C).
The coldest month (with the lowest average low temperature) is July (20.5°C).
Average pressure in September
Gamba, Gabon
- Average pressure in September: 1013.4mbar
The month with the highest atmospheric pressure is July (1014.5mbar).
The months with the lowest atmospheric pressure are February and March (1010.1mbar).
Average wind speed in September
Gamba, Gabon
- Average wind speed in September: 11.4km/h
The windiest month (with the highest average wind speed) is October (11.6km/h).
The calmest month (with the lowest average wind speed) is January (8.4km/h).
Average humidity in September
Gamba, Gabon
- Average humidity in September: 85%
The months with the highest relative humidity are May, October and November (86%).
The months with the lowest relative humidity are February and March (82%).
Average rainfall in September
Gamba, Gabon
- Average rainfall in September: 22mm
The wettest month (with the highest rainfall) is November (225mm).
The driest month (with the least rainfall) is July (3mm).
Average rainfall days in September
Gamba, Gabon
- Average rainfall days in September: 16.8 days
The month with the highest number of rainy days is January (28.3 days).
The month with the least rainy days is July (4.7 days).
Average daylight in September /
Average sunshine in September
Gamba, Gabon
- Average daylight in September: 12h and 1min
The month with the longest days is December (Average daylight: 12h and 18min).
The month with the shortest days is June (Average daylight: 12h and 0min).
- Average sunshine in September: 5h and 4min
The month with the most sunshine is June (Average sunshine: 8h and 18min).
The month with the least sunshine is September (Average sunshine: 5h and 42min).
Average sunshine days in September
Gamba, Gabon
- Average sunshine days in September: 5.5 days
The month with the most sunshine days is July (22.4 days).
The month with the least sunshine days is November (0.9 days).
Average UV index in September
Gamba, Gabon
- Average UV index in September: 6
The months with the highest UV index are January, March, April, November and December (UV index 7).
The months with the lowest UV index are February, May, June, July, August, September and October (UV index 6).
Average cloud cover in September
Gamba, Gabon
- Average cloud cover in September: 67
The month with the most cloud cover is October (Cloud cover 69).
The month with the least cloud cover is June (Cloud cover 40).
Average visibility in September
Gamba, Gabon
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, September and October (10km).
The months with the lowest visibility are August, November and December (9km).
Gamba, Gabon
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