September Weather in Deder, Ethiopia

Last updated: August 23, 2025

In Deder, Ethiopia, the average temperature in September hovers around 19°C (66°F). You can expect a range from a cool 13°C (55°F) to a balmy 26°C (80°F). Along with this pleasant climate, prepare for about 106 mm (4.2 in) of precipitation spread over 20 days, contributing to an average humidity level of 66%.

September Temperature in Deder

In September in Deder, the average temperature is 19°C (66°F), with maximums reaching 26°C (80°F) and minimums dropping as low as 13°C (55°F). This mild climate makes it an ideal destination for travelers seeking pleasant weather.

September Weather in Deder: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Deder, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Deder, September typically has an average temperature of 19°C (66°F), with highs reaching up to 26°C (80°F) and lows dropping to around 13°C (55°F).
JanFebMarAprMayJunJulAugSepOctNovDec646769686867646566666463
Data source: Temperature data for Deder generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Deder

In Deder in September, the total precipitation amount is 106 mm (4.2 in) spread over 20 days.

September Precipitation Trends in Deder

The chart displays monthly precipitation patterns in Deder, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Deder, September typically receives around 106 mm (4.2 inches) of precipitation spread over approximately 20 days.
JanFebMarAprMayJunJulAugSepOctNovDec422711612471001121181061144412
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Deder

In Deder in September, humidity is 66%. With an average temperature of 19°C (66°F), this humidity feels like a warm, cozy embrace, creating an inviting atmosphere for exploring the local sights while ensuring you stay hydrated and comfortable throughout your adventures.

September Average Humidity in Deder

This chart illustrates the average monthly humidity levels in Deder, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Deder is approximately 66%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec58%45%31%34%58%44%51%64%66%73%74%68%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Deder

In Deder in September, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in Deder.

Maximum UV Index Levels in Deder for September

The chart shows the monthly maximum UV Index (UVI) for Deder in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Deder typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec131516161513151515121211
Data source: Deder September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How September Weather in Deder Compares to Other Months

Weather in Deder varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Deder, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Deder, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather18°C (64°F)4 mm (0.1 inches)58%extreme
February Weather19°C (67°F)22 mm (0.9 inches)45%extreme
March Weather21°C (69°F)71 mm (2.8 inches)31%extreme
April Weather20°C (69°F)161 mm (6.3 inches)34%extreme
May Weather20°C (68°F)247 mm (9.7 inches)58%extreme
June Weather19°C (67°F)100 mm (3.9 inches)44%extreme
July Weather18°C (65°F)112 mm (4.4 inches)51%extreme
August Weather18°C (65°F)118 mm (4.7 inches)64%extreme
September Weather19°C (66°F)106 mm (4.2 inches)66%extreme
October Weather19°C (66°F)114 mm (4.5 inches)73%extreme
November Weather18°C (65°F)44 mm (1.7 inches)74%extreme
December Weather17°C (63°F)12 mm (0.5 inches)68%extreme

Compare Deder's Climate with Cities Worldwide