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
September
Weather in September
Temperature
The advent of September brings an average high-temperature of a still moderately hot 26°C (78.8°F), almost identical to the preceding month. Night temperatures in September exhibit a subtle decrease, settling at an average of 24.9°C (76.8°F).Humidity
The average relative humidity in September is 78%.Rainfall
In Kiwani, in September, it is raining for 16.5 days, with typically 33mm (1.3") of accumulated precipitation. In Kiwani, during the entire year, the rain falls for 239.9 days and collects up to 1266mm (49.84") of precipitation.Daylight
In September, the average length of the day in Kiwani is 12h and 5min.On the first day of the month, sunrise is at 06:20 and sunset at 18:21. On the last day of September, sunrise is at 06:06 and sunset at 18:15 EAT.
Sunshine
In September, the average sunshine is 8.7h.UV index
January through December, with an average maximum UV index of 7, are months with the highest UV index. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: An average maximum UV index of 7 in September leads to these recommendations:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What is the average humidity in September?
How much does it rain in September?
How many hours of daylight does Kiwani have in September?
What time are sunrise and sunset in September?
How long on average sun shines in September?
When is the highest UV index?
What are the months with the lowest UV index?
What is the UV index intensity in September?
Average temperature in September
Kiwani, Tanzania
- Average high temperature in September: 26°C
The warmest month (with the highest average high temperature) is March (29.2°C).
The month with the lowest average high temperature is August (25.9°C).
- Average low temperature in September: 24.9°C
The month with the highest average low temperature is March (28°C).
The coldest month (with the lowest average low temperature) is August (24.7°C).
Average pressure in September
Kiwani, Tanzania
- Average pressure in September: 1015.5mbar
The month with the highest atmospheric pressure is July (1016.4mbar).
The month with the lowest atmospheric pressure is February (1010.3mbar).
Average wind speed in September
Kiwani, Tanzania
- Average wind speed in September: 21.7km/h
The windiest month (with the highest average wind speed) is July (28.4km/h).
The calmest month (with the lowest average wind speed) is November (13.7km/h).
Average humidity in September
Kiwani, Tanzania
- Average humidity in September: 78%
The month with the highest relative humidity is October (79%).
The months with the lowest relative humidity are March, June, July and December (76%).
Average rainfall in September
Kiwani, Tanzania
- Average rainfall in September: 33mm
The wettest month (with the highest rainfall) is May (296mm).
The driest month (with the least rainfall) is August (26mm).
Average rainfall days in September
Kiwani, Tanzania
- Average rainfall days in September: 16.5 days
The month with the highest number of rainy days is April (27.7 days).
The month with the least rainy days is February (10.4 days).
Average daylight in September /
Average sunshine in September
Kiwani, Tanzania
- Average daylight in September: 12h and 1min
The month with the longest days is December (Average daylight: 12h and 24min).
The month with the shortest days is June (Average daylight: 11h and 48min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is November (Average sunshine: 10h and 42min).
The month with the least sunshine is May (Average sunshine: 7h and 36min).
Average sunshine days in September
Kiwani, Tanzania
- Average sunshine days in September: 8.6 days
The month with the most sunshine days is February (12.5 days).
The month with the least sunshine days is April (1.8 days).
Average UV index in September
Kiwani, Tanzania
- Average UV index in September: 7
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
Average cloud cover in September
Kiwani, Tanzania
- Average cloud cover in September: 36
The month with the most cloud cover is May (Cloud cover 45).
The month with the least cloud cover is December (Cloud cover 26).
Average visibility in September
Kiwani, Tanzania
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are April and May (9km).
