September weather forecastMtoni, Tanzania
September
Weather in September
September, the first month of the spring in Mtoni, is also a moderately hot month, with an average temperature fluctuating between 21.9°C (71.4°F) and 28.5°C (83.3°F).Temperature
September's onset records an average high-temperature of a still moderately hot 28.5°C (83.3°F), a near match to August's 28.1°C (82.6°F). Throughout September, Mtoni registers a consistent average low-temperature of 21.9°C (71.4°F).Heat index
For most parts of September, the heat index is appraised at a hot 32°C (89.6°F). With prolonged exposure and constant activity, one might feel exhausted and experience heat cramps.Note that heat index values are valued for light wind and location in the shade. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', quantifies the warmth felt when relative humidity is considered. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Younglings are generally more in peril than adults due to their reduced perspiration. Coupled with a larger skin surface relative to their tiny bodies and greater heat production because of their activity, they become more at risk.
Humidity
The months with the lowest humidity in Mtoni, Tanzania, are July through September, with an average relative humidity of 75%.Rainfall
September is the month with the least rainfall. Rain falls for 18.4 days and accumulates 21mm (0.83") of precipitation.Daylight
The average length of the day in September is 12h and 4min.On the first day of the month, sunrise is at 06:23 and sunset at 18:22. On the last day of September, sunrise is at 06:07 and sunset at 18:17 EAT.
Sunshine
In September, the average sunshine is 8.5h.UV index
The months with the lowest UV index are April through November, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 6 in September interprets into the following recommendations:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Mtoni, Tanzania
- Average high temperature in September: 28.5°C
The warmest months (with the highest average high temperature) are February and March (30.9°C).
The month with the lowest average high temperature is July (27.6°C).
- Average low temperature in September: 21.9°C
The months with the highest average low temperature are January and February (25.3°C).
The coldest month (with the lowest average low temperature) is July (21.3°C).
Average pressure in September
Mtoni, Tanzania
- Average pressure in September: 1015.8mbar
The month with the highest atmospheric pressure is July (1016.9mbar).
The month with the lowest atmospheric pressure is February (1010mbar).
Average wind speed in September
Mtoni, Tanzania
- Average wind speed in September: 12.8km/h
The windiest month (with the highest average wind speed) is July (15.6km/h).
The calmest month (with the lowest average wind speed) is March (9.5km/h).
Average humidity in September
Mtoni, Tanzania
- Average humidity in September: 75%
The month with the highest relative humidity is April (81%).
The months with the lowest relative humidity are July, August and September (75%).
Average rainfall in September
Mtoni, Tanzania
- Average rainfall in September: 21mm
The wettest month (with the highest rainfall) is April (154mm).
The driest month (with the least rainfall) is September (21mm).
Average rainfall days in September
Mtoni, Tanzania
- Average rainfall days in September: 18.4 days
The month with the highest number of rainy days is April (26.4 days).
The month with the least rainy days is June (17.5 days).
Average daylight in September /
Average sunshine in September
Mtoni, Tanzania
- Average daylight in September: 12h and 6min
The month with the longest days is December (Average daylight: 12h and 30min).
The month with the shortest days is June (Average daylight: 11h and 42min).
- Average sunshine in September: 8h and 30min
The month with the most sunshine is November (Average sunshine: 10h and 30min).
The month with the least sunshine is April (Average sunshine: 8h and 0min).
Average sunshine days in September
Mtoni, Tanzania
- Average sunshine days in September: 4.5 days
The month with the most sunshine days is June (7.8 days).
The month with the least sunshine days is April (2.6 days).
Average UV index in September
Mtoni, Tanzania
- Average UV index in September: 6
The months with the highest UV index are January, February, March and December (UV index 7).
The months with the lowest UV index are April, May, June, July, August, September, October and November (UV index 6).
Average cloud cover in September
Mtoni, Tanzania
- Average cloud cover in September: 32
The month with the most cloud cover is April (Cloud cover 41).
The month with the least cloud cover is June (Cloud cover 26).
Average visibility in September
Mtoni, Tanzania
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
