Siwa Weather in September
September in Siwa sees daytime temperatures around 36°C (97°F) and lows of 22°C (72°F) at night. Rainfall is minimal, so you're unlikely to need an umbrella.
Rainfall in Siwa in September
You can expect rain on around 0 days based on historical patterns, with 0 mm (0 in) average for the month.
Temperature in Siwa in September
In September, Siwa sees extremely high temperatures, with highs of 36°C (97°F). Nights drop to around 22°C (72°F). For most visitors, the main thing to prepare for is the heat during the day. Nights remain mild at 22°C (72°F), making evenings a pleasant time to be outdoors.
Sunshine in Siwa in September
The days are predominantly sunny, with an estimated total of around 316 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.
Wind Speed in Siwa in September
Wind speeds average 2 m/s (4 knots) during September. At this speed, expect light breezes that you can feel on your face and cause leaves to rustle gently. Since this is an average, some days are calmer with barely any wind while others have more noticeable gentle breezes.September in Siwa has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Egypt, check out our Siwa's climate page.
Siwa Temperature in September
Min Temperature
22°C (72°F)
Max Temperature
36°C (97°F)
Chance of Rain
0%
Precipitation
0 mm (0 in)
Rainy days
0 days
Humidity
44%
Windspeed
2 m/s (4 knots)
Sunshine
316 hours
Percentage Sunshine
Daily Historical Temperatures
41-year average (1982-2025)
Based on our historical records, temperatures in Siwa typically stay consistent throughout September, with daily highs averaging around 36°C (97°F). Nights are warm, with lows typically ranging from 21°C (70°F) to 24°C (75°F).
Average temperatures in September
Historical weather for Siwa in September
Browse day-by-day weather records for Siwa spanning 48 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Siwa historical weather extremes in September
The extremes listed below come from historical weather data collected in Siwa from 1998 through 2025.
- On September 15, 1998, temperatures climbed to 43°C (109°F), marking the warmest September day on record.
- The lowest daytime temperature in September was 28°C (82°F), recorded on September 28, 2000.
- Nighttime temperatures dropped to 15°C (59°F) on September 26, 2021, marking the coldest September night on record.
Best Places in Egypt in September
Find out more about the weather in Egypt and which places have the best travel conditions in this month. See all of Egypt in September →
perfect weather
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tolerable
unpleasant
poor
What to Wear in Siwa in September
Hot weather in September means keeping cool is the priority. Loose-fitting clothes in natural fabrics work best. Pack plenty of shorts, tank tops, and breathable shirts. Don't forget a hat, swimwear, and comfortable sandals. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Siwa in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Egypt, check out our Siwa's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Siwa climate overview or explore weather in Egypt.
