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September Weather in Davenport, United States

Last updated: June 24, 2025

In September, the average temperature in Davenport, United States hovers around 17°C (63°F), offering a pleasant climate for exploration. While you may experience a refreshing low of 2°C (35°F), the mercury can rise to a warm 35°C (95°F) on the hotter days. Expect about 26 mm (1.0 in) of precipitation over 4 days, contributing to an average humidity level of 60%. Perfect weather for outdoor adventures awaits!

September Temperature in Davenport

In September, in Davenport, the average temperature is 17°C (63°F). The maximum can reach 35°C (95°F), while the minimum can drop as low as 2°C (35°F). Be prepared for varying weather conditions to make the most of your travels.

September Weather in Davenport: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Davenport, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Davenport, September typically has an average temperature of 17°C (63°F), with highs reaching up to 35°C (95°F) and lows dropping to around 2°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec292939485967757362483831
Data source: Temperature data for Davenport generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Davenport

In Davenport in September, the precipitation amount is 26 mm (1.0 in) over the course of 4 days.

September Precipitation Trends in Davenport

The chart displays monthly precipitation patterns in Davenport, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Davenport, September typically receives around 26 mm (1.0 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec65505041381631326435957
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Davenport

In Davenport in September humidity is 60%. With an average temperature of 17°C (63°F), this humidity feels like a slight weight in the air, making it perfect for leisurely strolls but a bit sticky for intense outdoor activities.

September Average Humidity in Davenport

This chart illustrates the average monthly humidity levels in Davenport, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Davenport is approximately 60%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%86%86%82%77%79%77%62%60%80%87%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Davenport

In Davenport in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Davenport.

Maximum UV Index Levels in Davenport for September

The chart shows the monthly maximum UV Index (UVI) for Davenport in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Davenport typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2456891097532
Data source: Davenport September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How September Weather in Davenport Compares to Other Months

Weather in Davenport varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Davenport, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Davenport, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)65 mm (2.6 inches)85%low
February Weather-1°C (30°F)50 mm (2.0 inches)86%moderate
March Weather4°C (40°F)50 mm (2.0 inches)86%moderate
April Weather9°C (48°F)41 mm (1.6 inches)82%high
May Weather15°C (59°F)38 mm (1.5 inches)77%very high
June Weather20°C (67°F)16 mm (0.6 inches)79%very high
July Weather24°C (75°F)3 mm (0.1 inches)77%very high
August Weather23°C (74°F)13 mm (0.5 inches)62%very high
September Weather17°C (63°F)26 mm (1.0 inches)60%high
October Weather9°C (48°F)43 mm (1.7 inches)80%moderate
November Weather3°C (38°F)59 mm (2.3 inches)87%moderate
December Weather-1°C (31°F)57 mm (2.2 inches)86%low

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