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September Weather in Van, United States

Last updated: June 24, 2025

In September, the average temperature in Van, United States hovers around 26°C (80°F), providing a warm and inviting atmosphere. However, temperatures can vary significantly, with a minimum of 10°C (50°F) and a heat range peaking at 38°C (101°F). Visitors can expect 95 mm (3.7 in) of precipitation over about 8 days, adding a touch of humidity to the experience, which averages around 65%.

September Temperature in Van

In September in Van, the average temperature is 26°C (80°F). Maximum temperatures can reach 38°C (101°F), while minimums can drop as low as 10°C (50°F). Travelers should prepare for warm days and cooler evenings, making layered clothing a smart choice.

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

The chart illustrates September temperature patterns in Van, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Van, September typically has an average temperature of 26°C (80°F), with highs reaching up to 38°C (101°F) and lows dropping to around 10°C (50°F).
JanFebMarAprMayJunJulAugSepOctNovDec485061657481848479685752
Data source: Temperature data for Van 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 Van

In Van in September, the total precipitation amount is 95 mm (3.7 in) spread over 8 days.

September Precipitation Trends in Van

The chart displays monthly precipitation patterns in Van, 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 Van, September typically receives around 95 mm (3.7 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec89139121137167947880951226795
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Van

In Van in September humidity is 65%. With an average temperature of 26°C (80°F), this humidity feels like a warm, sticky embrace, making travel less comfortable as you navigate the sights.

September Average Humidity in Van

This chart illustrates the average monthly humidity levels in Van, 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 Van is approximately 65%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%79%78%78%81%78%73%66%65%72%82%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Van

In Van in September, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Van.

Maximum UV Index Levels in Van for September

The chart shows the monthly maximum UV Index (UVI) for Van 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 Van typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec478101111111110864
Data source: Van 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 Van Compares to Other Months

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

This table compares monthly weather conditions in Van, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather9°C (48°F)89 mm (3.5 inches)80%moderate
February Weather10°C (50°F)139 mm (5.5 inches)79%high
March Weather16°C (61°F)121 mm (4.8 inches)78%very high
April Weather18°C (65°F)137 mm (5.4 inches)78%very high
May Weather23°C (74°F)167 mm (6.6 inches)81%extreme
June Weather27°C (81°F)94 mm (3.7 inches)78%extreme
July Weather29°C (85°F)78 mm (3.1 inches)73%extreme
August Weather29°C (85°F)80 mm (3.1 inches)66%extreme
September Weather26°C (80°F)95 mm (3.7 inches)65%very high
October Weather20°C (69°F)122 mm (4.8 inches)72%very high
November Weather14°C (57°F)67 mm (2.6 inches)82%high
December Weather11°C (53°F)95 mm (3.7 inches)87%moderate

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