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September Weather in Davenport, United States

Last updated: June 24, 2025

In September, the average temperature in Davenport, United States reaches a pleasant 27°C (81°F), with temperatures ranging from a comfortable 19°C (66°F) to a warm 34°C (94°F). Expect about 185 mm (7.3 in) of precipitation over 20 days, and remember to stay hydrated as the average humidity sits at a high 83%. Enjoy the vibrant atmosphere this month brings!

September Temperature in Davenport

In September in Davenport, the average temperature is 27°C (81°F). The maximum can reach 34°C (94°F), and the minimum can be as low as 19°C (66°F). This warm climate makes Davenport an ideal destination for travelers seeking pleasant weather and outdoor activities.

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 27°C (81°F), with highs reaching up to 34°C (94°F) and lows dropping to around 19°C (66°F).
JanFebMarAprMayJunJulAugSepOctNovDec616769747881828281786964
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 total precipitation amount is 185 mm (7.3 in) over a span of 20 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 185 mm (7.3 inches) of precipitation spread over approximately 20 days.
JanFebMarAprMayJunJulAugSepOctNovDec38491768109220220232185884058
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 83%. With an average temperature of 27°C (81°F), this humidity feels like a warm blanket enveloping you, making sightseeing and outdoor activities feel more exhausting and requiring frequent breaks to relax in the shade or cool off.

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 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%80%75%70%68%75%80%81%83%81%82%84%
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 reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, 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 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec589111112121111975
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 Weather16°C (62°F)38 mm (1.5 inches)83%moderate
February Weather20°C (68°F)49 mm (1.9 inches)80%very high
March Weather21°C (69°F)17 mm (0.7 inches)75%very high
April Weather23°C (74°F)68 mm (2.7 inches)70%extreme
May Weather26°C (78°F)109 mm (4.3 inches)68%extreme
June Weather27°C (81°F)220 mm (8.6 inches)75%extreme
July Weather28°C (82°F)220 mm (8.7 inches)79%extreme
August Weather28°C (82°F)232 mm (9.1 inches)81%extreme
September Weather27°C (81°F)185 mm (7.3 inches)83%extreme
October Weather25°C (78°F)88 mm (3.5 inches)81%very high
November Weather21°C (69°F)40 mm (1.6 inches)82%high
December Weather18°C (65°F)58 mm (2.3 inches)84%moderate

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