September weather forecastIsaka, Tanzania
September
Weather in September
The first month of the spring, September, is still a hot month in Isaka, Tanzania, with an average temperature varying between 32.2°C (90°F) and 18.4°C (65.1°F).Temperature
September, on average, is the warmest month, registering a high temperature of 32.2°C (90°F) and a low of 18.4°C (65.1°F).Humidity
The least humid month is September, with an average relative humidity of 38%.Rainfall
In September, in Isaka, Tanzania, the rain falls for 3.2 days. Throughout September, 4mm (0.16") of precipitation is accumulated. Throughout the year, in Isaka, there are 142.1 rainfall days, and 585mm (23.03") of precipitation is accumulated.Daylight
The average length of the day in September is 12h and 5min.On the first day of September in Isaka, sunrise is at 06:46 and sunset at 18:49. On the last day of the month, sunrise is at 06:33 and sunset at 18:42 EAT.
Sunshine
In Isaka, the average sunshine in September is 9.9h.UV index
The months with the highest UV index are August and September, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: In September, a daily UV index of 7 turns into the following recommendations:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. 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. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Isaka, Tanzania
- Average high temperature in September: 32.2°C
The warmest month (with the highest average high temperature) is September (32.2°C).
The month with the lowest average high temperature is January (26.5°C).
- Average low temperature in September: 18.4°C
The month with the highest average low temperature is October (19.4°C).
The coldest month (with the lowest average low temperature) is July (15.3°C).
Average pressure in September
Isaka, Tanzania
- Average pressure in September: 1011.8mbar
The months with the highest atmospheric pressure are June and July (1014.7mbar).
The months with the lowest atmospheric pressure are October and November (1010.3mbar).
Average wind speed in September
Isaka, Tanzania
- Average wind speed in September: 11.2km/h
The windiest month (with the highest average wind speed) is August (11.6km/h).
The calmest month (with the lowest average wind speed) is January (5.1km/h).
Average humidity in September
Isaka, Tanzania
- Average humidity in September: 38%
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is September (38%).
Average rainfall in September
Isaka, Tanzania
- Average rainfall in September: 4mm
The wettest month (with the highest rainfall) is April (104mm).
The driest month (with the least rainfall) is July (0mm).
Average rainfall days in September
Isaka, Tanzania
- Average rainfall days in September: 3.2 days
The month with the highest number of rainy days is April (21.9 days).
The month with the least rainy days is July (0.1 days).
Average daylight in September /
Average sunshine in September
Isaka, Tanzania
- Average daylight in September: 12h and 6min
The month with the longest days is December (Average daylight: 12h and 18min).
The month with the shortest days is June (Average daylight: 11h and 54min).
- Average sunshine in September: 9h and 54min
The months with the most sunshine are July and August (Average sunshine: 10h and 0min).
The months with the least sunshine are January, March and April (Average sunshine: 8h and 24min).
Average sunshine days in September
Isaka, Tanzania
- Average sunshine days in September: 25.7 days
The month with the most sunshine days is July (30.7 days).
The month with the least sunshine days is April (7 days).
Average UV index in September
Isaka, Tanzania
- Average UV index in September: 7
The months with the highest UV index are August and September (UV index 7).
The month with the lowest UV index is March (UV index 5).
Average cloud cover in September
Isaka, Tanzania
- Average cloud cover in September: 11
The months with the most cloud cover are January, March, April and December (Cloud cover 44).
The months with the least cloud cover are July, August and September (Cloud cover 11).
Average visibility in September
Isaka, Tanzania
- Average visibility in September: 10km
The months with the highest visibility are May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, April and December (8km).





