September weather forecastRiroda, Tanzania
September
Weather in September
The first month of the spring, September, is still a warm month in Riroda, Tanzania, with an average temperature ranging between max 27.5°C (81.5°F) and min 15.2°C (59.4°F).Temperature
September brings an average high-temperature of a still warm 27.5°C (81.5°F), nearly identical to the preceding month. In Riroda, following the steep rise of daytime temperatures, an average nighttime low of 15.2°C (59.4°F) is anticipated during September.Heat index
In September, the heat index is calculated to be 29°C (84.2°F). Ongoing exposure and activity could lead to a state of exhaustion, with a chance of heat cramps.Be informed that the heat index values are oriented around shady conditions and gentle breezes. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
Humidity
The least humid month is September, with an average relative humidity of 58%.Rainfall
In Riroda, Tanzania, during September, the rain falls for 3.3 days and regularly aggregates up to 3mm (0.12") of precipitation. In Riroda, during the entire year, the rain falls for 153.2 days and collects up to 626mm (24.65") of precipitation.Daylight
In Riroda, the average length of the day in September is 12h and 5min.On the first day of September in Riroda, sunrise is at 06:36 and sunset at 18:38. On the last day of the month, sunrise is at 06:22 and sunset at 18:31 EAT.
Sunshine
With an average of 9.8h of sunshine, September has the most sunshine of the year in Riroda.UV index
January through March, August through December, with an average maximum UV index of 6, are months with the highest UV index in Riroda. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 6 in September translates into these instructions:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Riroda, Tanzania
- Average high temperature in September: 27.5°C
The warmest month (with the highest average high temperature) is February (28.9°C).
The month with the lowest average high temperature is June (23.7°C).
- Average low temperature in September: 15.2°C
The months with the highest average low temperature are March and November (17.5°C).
The coldest month (with the lowest average low temperature) is July (13.3°C).
Average pressure in September
Riroda, Tanzania
- Average pressure in September: 1015.6mbar
The month with the highest atmospheric pressure is July (1017.3mbar).
The month with the lowest atmospheric pressure is February (1012.3mbar).
Average wind speed in September
Riroda, Tanzania
- Average wind speed in September: 11.3km/h
The windiest month (with the highest average wind speed) is September (11.3km/h).
The calmest month (with the lowest average wind speed) is March (6.5km/h).
Average humidity in September
Riroda, Tanzania
- Average humidity in September: 58%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is September (58%).
Average rainfall in September
Riroda, Tanzania
- Average rainfall in September: 3mm
The wettest month (with the highest rainfall) is April (124mm).
The driest month (with the least rainfall) is August (2mm).
Average rainfall days in September
Riroda, Tanzania
- Average rainfall days in September: 3.3 days
The month with the highest number of rainy days is April (24.1 days).
The months with the least rainy days are August and September (3.3 days).
Average daylight in September /
Average sunshine in September
Riroda, Tanzania
- Average daylight in September: 12h and 6min
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 54min).
- Average sunshine in September: 9h and 48min
The month with the most sunshine is September (Average sunshine: 9h and 48min).
The month with the least sunshine is April (Average sunshine: 8h and 18min).
Average sunshine days in September
Riroda, Tanzania
- Average sunshine days in September: 24.9 days
The month with the most sunshine days is September (24.9 days).
The month with the least sunshine days is April (3.6 days).
Average UV index in September
Riroda, Tanzania
- Average UV index in September: 6
The months with the highest UV index are January, February, March, August, September, October, November and December (UV index 6).
The months with the lowest UV index are April, May, June and July (UV index 5).
Average cloud cover in September
Riroda, Tanzania
- Average cloud cover in September: 23
The month with the most cloud cover is April (Cloud cover 47).
The month with the least cloud cover is September (Cloud cover 23).
Average visibility in September
Riroda, Tanzania
- Average visibility in September: 10km
The months with the highest visibility are February, August, September, October and November (10km).
The months with the lowest visibility are April and May (8km).





