Stillwater Weather in September

With daytime temperatures of 22°C (72°F) and nighttime lows of 11°C (52°F), September in Stillwater brings high temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 84 mm (3.3 in) falls on average.

Rainfall in Stillwater in September

Records from the past 30 years suggest around 11 days of rain, with 84 mm (3.3 in) average for the month. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in Stillwater in September

If you're visiting Stillwater in September, expect excellent temperatures with highs of 22°C (72°F) and overnight lows of 11°C (52°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. With lows of 11°C (52°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.

Sunshine in Stillwater in September

Expect sunny days throughout the month, with an estimated 232 hours of sunshine. This makes it a pleasant time to visit Stillwater.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. May and September typically offer the best weather for Stillwater.