Autumn officially begins Wednesday in Egypt, ending the summer heat

Autumn begins Wednesday in Egypt, lasting 89 days and 20 hours, with no severe heat waves expected through September.

• Autumn begins Wednesday, September 23, 2026, and lasts 89 days and 20 hours, according to astronomical calculations.
• Summer, which began June 21, lasted 93 days and 15 hours, and winter begins December 21.
• Meteorologist Manar Ghanem said no new heat waves are expected until the end of September, with daytime highs of 30–33 degrees.
• Ghanem advised citizens to follow weather bulletins and not change clothing before mid-October to avoid colds.
• Egypt's Meteorological Authority warned of dense fog, thunderstorms, heavy rain, and possible flash floods in mountainous areas during autumn.
• The authority expects rainfall and temperatures slightly above climate averages due to warmer Mediterranean waters and potential El Niño influence.
• The Meteorological Authority's September 23–27 forecast calls for light rain on parts of the northwestern coast and northern Lower Egypt through Friday, with highs up to 41°C in southern Upper Egypt.
• The autumnal equinox occurred at 10:50 AM Wednesday as the sun stood directly over the equator.
• Climate Change Information Center head Mohamed Ali Fahim said humidity, fog, and rainfall favor fungal diseases and pests like cotton leafworm and whitefly.
• Fahim advised farmers to monitor crops and apply preventive fungicides and phosphorus fertilizers as winter crops are planted.
• Egypt's Meteorological Authority said the seasonal Sudan low could bring heavy rain and flash floods to mountains in southern Egypt, the Red Sea governorate, and Sinai.
• The authority called the outlook a precautionary measure and said weather warnings will be issued ahead of expected instability.