Guinea-Bissau (Bissau)
September
Weather in Guinea-Bissau for September 2027
Your guide to Guinea-Bissau weather in September - trends and predictions
In general, the average temperature in Guinea-Bissau at the beginning of September is 28.1 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 29.1 °C by the end of September.
Guinea-Bissau experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 441.5 mm.
Is September a good time to visit Guinea-Bissau? check out the best time to travel to Guinea-Bissau page.
Temperatures
Rain 🌧️
More
2
Dry days
28
Rainy days
0
Snow days
28°/24°
Temperatures
16 km/h
Avg max wind
84 %
Avg humidity
Guinea-Bissau Weather September
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What’s the Weather Like in Guinea-Bissau This September?
Discover the average temperatures and weather trends across Guinea-Bissau’s cities this September.
Temperatures trend during September in Guinea-Bissau
See the weather trend as well as the moving average line
September weather in Guinea-Bissau day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Moderate rain | 27° /24° | 21.1 mm | 7 | |
| 2 Sept. | Moderate rain | 29° /24° | 10.1 mm | 6 | |
| 3 Sept. |  Light rain | 28° /24° | 8.8 mm | 5 | |
| 4 Sept. |  Torrential rain shower | 29° /24° | 24.4 mm | 5 | |
| 5 Sept. | Moderate rain | 28° /24° | 11.1 mm | 5 | |
| 6 Sept. | Moderate rain | 28° /24° | 23.6 mm | 5 | |
| 7 Sept. | Moderate rain | 28° /24° | 15 mm | 6 | |
| 8 Sept. | Moderate rain | 29° /24° | 12.2 mm | 5 | |
| 9 Sept. | Moderate rain | 28° /24° | 18.2 mm | 5 | |
| 10 Sept. | Heavy rain | 28° /24° | 26 mm | 5 | |
| 11 Sept. | Moderate rain | 28° /24° | 13.1 mm | 5 | |
| 12 Sept. | Light rain | 29° /24° | 5.8 mm | 6 | |
| 13 Sept. |  Moderate rain at times | 29° /25° | 7.4 mm | 6 | |
| 14 Sept. | Moderate rain | 28° /24° | 19.2 mm | 5 | |
| 15 Sept. | Moderate rain | 29° /24° | 18.3 mm | 5 | |
| 16 Sept. | Torrential rain shower | 28° /24° | 24.3 mm | 6 | |
| 17 Sept. | Light rain | 29° /24° | 9.7 mm | 5 | |
| 18 Sept. | Moderate rain | 28° /25° | 13.2 mm | 6 | |
| 19 Sept. | Moderate rain | 29° /25° | 12.6 mm | 5 | |
| 20 Sept. | Moderate rain | 29° /24° | 11.5 mm | 5 | |
| 21 Sept. | Light rain | 28° /24° | 7.4 mm | 5 | |
| 22 Sept. | Moderate rain | 28° /24° | 17.6 mm | 5 | |
| 23 Sept. | Moderate rain | 28° /24° | 16.3 mm | 5 | |
| 24 Sept. | Heavy rain | 28° /24° | 32.2 mm | 5 | |
| 25 Sept. | Light rain | 28° /24° | 8.1 mm | 6 | |
| 26 Sept. | Heavy rain | 29° /24° | 27.7 mm | 6 | |
| 27 Sept. | Moderate or heavy rain shower | 30° /25° | 6.3 mm | 5 | |
| 28 Sept. |  Thundery outbreaks possible | 30° /24° | 7.2 mm | 6 | |
| 29 Sept. | Thundery outbreaks possible | 30° /25° | 5.8 mm | 6 | |
| 30 Sept. | Light rain | 30° /25° | 7.3 mm | 6 | |
| Next | |||||
Important Notice
Our weather forecast for Guinea-Bissau in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Guinea-Bissau forecast closer to your planned date for the most up-to-date weather information.
Change Month
Guinea-Bissau in September - FAQ
What are the expected maximum and minimum temperatures in Guinea-Bissau during September?
During September, expect a variety of temperatures with highs around 28° and lows near 24°, suitable for diverse activities and preferences.
How much rainfall should be expected in Guinea-Bissau during September?
Significant rainfall exceeding 441.5 mm is expected in Guinea-Bissau during September, occurring over more than 28 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Guinea-Bissau during September?
The average wind speed in Guinea-Bissau during September is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Guinea-Bissau
Explore the daily rainfall trends and prepare for Guinea-Bissaus September weather 💧
Typically, Guinea-Bissau has 28 rainy days in September with a total of 441.5 mm of rainfall.
UV exposure in Guinea-Bissau during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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