September weather forecastRira, Ethiopia
September
Weather in September
In September, the climatic characteristics retain a level of constancy, leaning to the cooler spectrum. A trivial decrease in the temperature is perceived, lingering between 18.3°C (64.9°F) and 9.2°C (48.6°F). Despite the reduction in temperature, the pressure conditions stabilize a bit, indicating a transition towards a drier stage. The duration of sunshine hours seems to rebound, signifying longer days with heightened visibility. Essentially, September serves as a transition phase towards clearer and slightly chillier days.Temperature
September's advent presents an average high-temperature of a still refreshing 18.3°C (64.9°F), indicating a slight variation from the conditions of the previous month. An average low-temperature of 9.2°C (48.6°F) is recorded during the nights in September.Humidity
In Rira, the average relative humidity in September is 77%.Rainfall
In Rira, Ethiopia, during September, the rain falls for 24.4 days and regularly aggregates up to 79mm (3.11") of precipitation. In Rira, during the entire year, the rain falls for 234.4 days and collects up to 999mm (39.33") of precipitation.Daylight
In September, the average length of the day in Rira, Ethiopia, is 12h and 10min.On the first day of September in Rira, Ethiopia, sunrise is at 06:13 and sunset at 18:28. On the last day of the month, sunrise is at 06:08 and sunset at 18:12 EAT.
Sunshine
In September, the average sunshine is 9.2h.UV index
The months with the highest UV index are January through December, with an average maximum UV index of 4. January through December, with an average maximum UV index of 4, are months with the lowest UV index in Rira. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, the maximum UV index of 4 suggests this advice:
Take necessary precautions - Protection from skin and eye injury is mandatory. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Rira, Ethiopia
- Average high temperature in September: 18.3°C
The warmest month (with the highest average high temperature) is February (19.7°C).
The month with the lowest average high temperature is November (16.6°C).
- Average low temperature in September: 9.2°C
The month with the highest average low temperature is April (9.4°C).
The coldest month (with the lowest average low temperature) is December (6.8°C).
Average pressure in September
Rira, Ethiopia
- Average pressure in September: 1014.4mbar
The month with the highest atmospheric pressure is December (1015.3mbar).
The month with the lowest atmospheric pressure is March (1013.9mbar).
Average wind speed in September
Rira, Ethiopia
- Average wind speed in September: 7km/h
The windiest months (with the highest average wind speed) are June and July (7.6km/h).
The calmest month (with the lowest average wind speed) is January (6.6km/h).
Average humidity in September
Rira, Ethiopia
- Average humidity in September: 77%
The months with the highest relative humidity are April and May (80%).
The month with the lowest relative humidity is January (53%).
Average rainfall in September
Rira, Ethiopia
- Average rainfall in September: 79mm
The wettest month (with the highest rainfall) is April (174mm).
The driest month (with the least rainfall) is January (21mm).
Average rainfall days in September
Rira, Ethiopia
- Average rainfall days in September: 24.4 days
The month with the highest number of rainy days is April (26.7 days).
The month with the least rainy days is January (6.9 days).
Average daylight in September /
Average sunshine in September
Rira, Ethiopia
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 12h and 30min).
The month with the shortest days is December (Average daylight: 11h and 42min).
- Average sunshine in September: 9h and 12min
The months with the most sunshine are January and February (Average sunshine: 9h and 36min).
The month with the least sunshine is November (Average sunshine: 6h and 54min).
Average sunshine days in September
Rira, Ethiopia
- Average sunshine days in September: 2.2 days
The month with the most sunshine days is January (21.3 days).
The month with the least sunshine days is April (1.7 days).
Average UV index in September
Rira, Ethiopia
- Average UV index in September: 4
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 4).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 4).
Average cloud cover in September
Rira, Ethiopia
- Average cloud cover in September: 31
The month with the most cloud cover is April (Cloud cover 39).
The month with the least cloud cover is January (Cloud cover 12).
Average visibility in September
Rira, Ethiopia
- Average visibility in September: 9km
The months with the highest visibility are January, February, March and December (10km).
The months with the lowest visibility are April, May, June, July, August, September, October and November (9km).





