September weather forecastDonia, Guinea
September
Weather in September
September, the first month of the autumn in Donia, is still a warm month, with an average temperature ranging between min 19.2°C (66.6°F) and max 26.7°C (80.1°F).Temperature
The onset of September notes an average high-temperature of a still warm 26.7°C (80.1°F), subtly shifted from August's 25.6°C (78.1°F). Donia encounters an average low-temperature of 19.2°C (66.6°F) during September nights.Humidity
In September, the average relative humidity is 92%.Rainfall
In September, in Donia, the rain falls for 29.8 days. Throughout September, 236mm (9.29") of precipitation is accumulated. In Donia, during the entire year, the rain falls for 209.3 days and collects up to 1572mm (61.89") of precipitation.Daylight
In Donia, the average length of the day in September is 12h and 11min.On the first day of the month, sunrise is at 06:40 and sunset at 18:58. On the last day of September, in Donia, Guinea, sunrise is at 06:37 and sunset at 18:40 GMT.
Sunshine
In Donia, the average sunshine in September is 6.4h.UV index
In Donia, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 6 in September translates into these instructions:
Fend off overexposure. Sun protection is vital. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Donia, Guinea
- Average high temperature in September: 26.7°C
The warmest month (with the highest average high temperature) is March (37.3°C).
The month with the lowest average high temperature is August (25.6°C).
- Average low temperature in September: 19.2°C
The months with the highest average low temperature are April and May (21.1°C).
The coldest month (with the lowest average low temperature) is January (17.4°C).
Average pressure in September
Donia, Guinea
- Average pressure in September: 1013.3mbar
The month with the highest atmospheric pressure is July (1014.1mbar).
The months with the lowest atmospheric pressure are March and April (1010.4mbar).
Average wind speed in September
Donia, Guinea
- Average wind speed in September: 4.4km/h
The windiest month (with the highest average wind speed) is January (6.4km/h).
The calmest month (with the lowest average wind speed) is October (4km/h).
Average humidity in September
Donia, Guinea
- Average humidity in September: 92%
The month with the highest relative humidity is August (94%).
The month with the lowest relative humidity is January (29%).
Average rainfall in September
Donia, Guinea
- Average rainfall in September: 236mm
The wettest month (with the highest rainfall) is August (300mm).
The driest months (with the least rainfall) are January, February and December (2mm).
Average rainfall days in September
Donia, Guinea
- Average rainfall days in September: 29.8 days
The month with the highest number of rainy days is August (30.7 days).
The months with the least rainy days are January and February (0.8 days).
Average daylight in September /
Average sunshine in September
Donia, 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 36min).
- Average sunshine in September: 6h and 24min
The months with the most sunshine are February, March and December (Average sunshine: 9h and 54min).
The month with the least sunshine is August (Average sunshine: 4h and 36min).
Average sunshine days in September
Donia, Guinea
- Average sunshine days in September: 0.2 days
The month with the most sunshine days is January (29.8 days).
The month with the least sunshine days is August (0 days).
Average UV index in September
Donia, 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 July and August (UV index 5).
Average cloud cover in September
Donia, Guinea
- Average cloud cover in September: 66
The month with the most cloud cover is August (Cloud cover 79).
The months with the least cloud cover are February and December (Cloud cover 8).
Average visibility in September
Donia, Guinea
- Average visibility in September: 6km
The months with the highest visibility are January, February, March, April and December (10km).
The months with the lowest visibility are July, August and September (6km).
