Nizwa Weather in September
September in Nizwa averages 38°C (100°F) during the day and 26°C (79°F) at night. With just 2.4 mm (0.1 in) of rainfall on average, it doesn't get much drier than this.
Rainfall in Nizwa in September
Take advantage of the dry conditions this month, with minimal rain expected. Records from the past 30 years suggest around a single day of rain, with 2.4 mm (0.1 in) average for the month. If rain does fall, it tends to be a moderate shower rather than anything heavy.
Temperature in Nizwa in September
Daytime highs in Nizwa in September reach 38°C (100°F), with nights around 26°C (79°F). Mornings and evenings are often more comfortable than the peak afternoon hours. With overnight lows of 26°C (79°F), nights stay very warm. Air conditioning makes a real difference if you're sensitive to heat. A cold shower before bed can also help you get to sleep more comfortably.September in Nizwa can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options 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 Oman, check out our Nizwa's climate page.
Nizwa Temperature in September
Daily Historical Temperatures
45-year average (1979-2025)
Based on our historical records, temperatures in Nizwa typically stay consistent throughout September, with daily highs averaging around 38°C (100°F). Nights are warm, with lows typically ranging from 22°C (72°F) to 25°C (77°F).
Average temperatures in September
Daily Historical Precipitation
45-year average (1979-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for Nizwa in September
Browse day-by-day weather records for Nizwa spanning 49 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Nizwa historical weather extremes in September
The extremes listed below come from historical weather data collected in Nizwa from 2001 through 2025.
- The warmest day in September was on September 8, 2019, with a maximum of 45°C (113°F).
- Nizwa experienced its chilliest September day on September 11, 2001, reaching only 29°C (84°F).
- Nizwa registered its coldest September night on September 26, 2013, with temperatures dropping to 16°C (61°F).
Best Places in Oman in September
Find out more about the weather in Oman and which places have the best travel conditions in this month. See all of Oman in September →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Nizwa 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. With minimal rainfall expected, you can leave the rain gear at home.What To Do in Nizwa 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 Oman, check out our Nizwa's climate page.
See the full Nizwa climate overview or explore weather in Oman.