Climate averages 1991–2020
Inda Silasē weather
in September.
A warm, very wet month: the 10th warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a warm month in Inda Silasē: daytime highs average 24.6°C and nights cool to about 14.6°C. By daytime temperature it is the 10th warmest of the 12 months.
Expect about 253 mm of rain on roughly 21 days, which makes September a very wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 13 min on an average September day.
The nearest other city in this atlas is Aksum (48 km away). In September its highs average 23.9°C, 0.7°C cooler than Inda Silasē, with 87 mm of rain.
Among the 40 cities listed in Ethiopia, Inda Silasē ranks 11th of 40 for the warmest September highs and 29th of 40 for the driest September (rainfall, lowest first). The mean September high of those 40 cities is 23.6°C; Inda Silasē is 1.0°C warmer than that mean.
From September to October, average highs rise by 1.6°C to 26.2°C, and monthly rainfall falls from 253 mm to 28 mm.
The annual picture
September in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Inda Silasē climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 26.9°C12.6°C | 12.6°C | 1.5 | 0.3 | 11.411 h |
| February | 28.9°C14.0°C | 14.0°C | 0.7 | 0.2 | 11.712 h |
| March | 30.1°C15.7°C | 15.7°C | 7.9 | 1.8 | 12.012 h |
| April | 30.9°C17.6°C | 17.6°C | 15 | 4.0 | 12.412 h |
| May | 29.9°C17.7°C | 17.7°C | 65 | 9.6 | 12.813 h |
| June | 26.9°C16.4°C | 16.4°C | 215 | 20.6 | 12.913 h |
| July | 22.8°C15.1°C | 15.1°C | 433 | 30.4 | 12.913 h |
| August | 22.5°C15.2°C | 15.2°C | 507 | 31.0 | 12.613 h |
| September, selected | 24.6°C14.6°C | 14.6°C | 253 | 21.0 | 12.212 h |
| October | 26.2°C14.4°C | 14.4°C | 28 | 4.4 | 11.812 h |
| November | 26.4°C14.1°C | 14.1°C | 7.1 | 1.4 | 11.511 h |
| December | 26.4°C12.8°C | 12.8°C | 1.1 | 0.3 | 11.311 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
September in nearby cities
- Aksum in SeptemberEthiopia · 48 kmHigh 23.9°C · Low 12.8°C · 87 mm rain
- Adwa in SeptemberEthiopia · 67 kmHigh 25.2°C · Low 12.9°C · 75 mm rain
- Ādīgrat in SeptemberEthiopia · 129 kmHigh 22.6°C · Low 12.8°C · 61 mm rain
- Mek'ele in SeptemberEthiopia · 145 kmHigh 24.2°C · Low 13.9°C · 67 mm rain
- Asmara in SeptemberEritrea · 154 kmHigh 23.4°C · Low 13.4°C · 38 mm rain
- Keren in SeptemberEritrea · 187 kmHigh 27.9°C · Low 17.4°C · 123 mm rain
- Alamata in SeptemberEthiopia · 233 kmHigh 28.6°C · Low 15.6°C · 38 mm rain
- Kassala in SeptemberSudan · 252 kmHigh 36.2°C · Low 24.6°C · 24 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Inda Silasē) is explained once on the Inda Silasē year overview and on the Sources, method and limits page.